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2004 National Survey on Drug Use & Health:  Detailed Tables

50428

Table 4.1A Numbers (in Thousands) of Persons Who Initiated Marijuana Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 777 309 468 18.5 14.8 23.5
1966 832 289 543 19.1 13.0 24.9
1967 1,397 530 868 18.8 24.9 37.3
1968 1,980 842 1,139 18.6 38.6 49.2
1969 2,462 1,002 1,461 18.7 46.3 66.1
1970 2,692 1,238 1,454 18.6 57.6 64.3
1971 2,954 1,308 1,646 18.5 59.8 76.3
1972 3,164 1,665 1,500 18.2 77.2 66.1
1973 3,490 1,741 1,749 18.6 80.4 79.3
1974 3,222 1,912 1,311 18.2 90.6 59.5
1975 3,227 1,889 1,339 18.1 91.0 63.2
1976 3,226 1,896 1,331 18.3 94.9 65.1
1977 3,345 1,967 1,378 18.6 100.3 66.4
1978 3,289 1,991 1,298 18.3 104.8 67.1
1979 2,996 1,760 1,236 18.8 95.0 60.6
1980 2,573 1,581 992 18.4 86.0 51.2
1981 2,438 1,440 998 18.3 80.7 56.3
1982 2,323 1,393 930 18.9 77.9 47.1
1983 2,351 1,443 908 18.2 80.6 52.7
1984 2,113 1,324 789 18.1 76.0 44.3
1985 2,165 1,357 808 18.0 77.9 48.0
1986 2,062 1,258 805 17.7 74.2 49.5
1987 1,823 1,113 710 18.0 64.5 44.6
1988 1,702 1,075 627 17.8 64.2 40.1
1989 1,647 971 675 18.1 57.1 40.6
1990 1,482 843 639 18.4 48.1 36.7
1991 1,694 1,031 662 18.0 58.0 39.0
1992 1,920 1,167 753 17.2 64.0 47.2
1993 2,154 1,349 805 17.2 72.9 47.2
1994 2,420 1,568 852 17.0 84.6 52.0
1995 2,635 1,674 961 17.0 88.8 57.8
1996 2,483 1,579 903 17.2 82.9 54.4
1997 2,603 1,716 887 17.1 89.3 54.2
1998 2,498 1,684 814 16.8 85.2 51.3
1999 2,640 1,691 950 17.4 84.8 57.4
2000 2,746 1,834 912 16.9 91.3 56.0
2001 2,793 1,833 960 17.4 90.9 57.1
20022 2,686 1,861 825 17.1 91.1 49.1
20033 2,463 1,655 809 17.0 79.7 46.8

50428

Table 4.2A Numbers (in Thousands) of Persons Who Initiated Cocaine Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 80 * 61 20.7 * 2.2
1966 41 * 36 22.5 * *
1967 87 * 80 23.6 * 2.9
1968 162 49 113 20.2 2.2 4.2
1969 187 46 141 21.0 1.8 4.5
1970 266 76 189 19.3 3.3 7.1
1971 413 93 320 20.6 3.9 10.5
1972 520 136 384 19.3 5.6 13.4
1973 586 162 424 20.3 6.8 13.6
1974 792 191 601 21.4 7.9 16.8
1975 827 169 658 21.1 7.0 18.9
1976 937 194 743 21.1 8.2 23.2
1977 1,165 247 917 21.5 10.6 24.9
1978 1,255 226 1,029 21.4 9.9 29.9
1979 1,315 240 1,075 20.8 10.8 33.6
1980 1,457 293 1,163 22.0 13.4 31.5
1981 1,546 308 1,238 21.3 14.3 36.6
1982 1,518 271 1,248 22.6 12.9 33.5
1983 1,557 254 1,303 22.2 12.3 37.5
1984 1,419 272 1,147 22.0 13.5 33.2
1985 1,441 281 1,159 22.3 14.2 32.9
1986 1,315 256 1,059 22.8 13.2 30.4
1987 1,162 239 923 22.3 12.4 27.7
1988 1,084 175 909 22.7 9.2 26.9
1989 968 154 814 23.0 8.0 23.6
1990 843 162 682 23.2 8.6 19.0
1991 687 121 566 22.9 6.2 15.8
1992 747 160 587 24.5 8.1 14.3
1993 634 143 491 23.1 7.1 13.4
1994 655 160 494 22.5 7.5 14.1
1995 744 214 530 21.3 10.1 16.7
1996 825 244 581 21.6 11.2 17.9
1997 861 243 618 20.8 10.9 20.7
1998 868 264 605 20.9 11.5 19.5
1999 917 270 648 21.1 11.5 20.2
2000 1,002 289 714 20.8 12.0 23.0
2001 1,140 335 805 20.9 13.7 24.9
20022 1,073 333 740 20.3 13.5 22.8
20033 1,094 384 710 19.8 15.3 23.0

50428

Table 4.3A Numbers (in Thousands) of Persons Who Initiated Crack Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 * * * * * *
1966 * * * * * *
1967 * * * * * *
1968 * * * * * *
1969 15 * * * * *
1970 * * * * * *
1971 * * * * * *
1972 20 * * * * *
1973 36 * * * * *
1974 16 * * * * *
1975 34 * 26 20.7 * 0.6
1976 26 * 26 * * *
1977 54 * 41 19.3 * 1.2
1978 86 * 60 20.7 * 1.4
1979 70 * 62 22.1 * 1.6
1980 115 27 88 22.8 1.2 1.8
1981 125 16 109 22.8 0.7 2.6
1982 157 17 140 25.8 0.8 2.1
1983 200 15 185 24.4 0.7 3.6
1984 278 30 248 24.1 1.5 3.9
1985 350 41 309 24.7 2.0 6.0
1986 284 37 247 25.2 1.9 4.6
1987 302 39 263 23.7 2.0 5.4
1988 390 45 344 25.8 2.3 5.4
1989 388 13 375 25.1 0.7 7.3
1990 384 38 346 26.6 2.0 4.9
1991 370 35 334 26.0 1.7 5.8
1992 373 35 338 27.5 1.8 4.8
1993 369 39 330 28.1 1.9 4.8
1994 349 45 304 27.2 2.1 3.8
1995 393 48 345 27.4 2.2 5.9
1996 382 57 325 26.5 2.5 5.2
1997 357 55 301 26.2 2.5 5.4
1998 360 82 278 23.9 3.5 6.0
1999 399 61 338 27.1 2.5 5.6
2000 407 79 328 27.1 3.2 5.4
2001 365 78 287 25.3 3.1 5.3
20022 340 82 258 23.5 3.3 5.2
20033 303 79 225 23.1 3.1 4.5

50428

Table 4.4A Numbers (in Thousands) of Persons Who Initiated Heroin Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 * * * * * *
1966 * * * * * *
1967 33 * 17 * * 0.8
1968 78 51 27 16.8 2.3 1.1
1969 35 * 30 19.3 * 1.1
1970 88 31 57 22.2 1.3 1.5
1971 117 26 90 19.4 1.1 3.2
1972 150 18 132 19.7 0.8 4.6
1973 166 36 129 20.1 1.4 4.0
1974 170 36 134 20.3 1.5 4.1
1975 79 21 58 20.1 0.9 1.7
1976 80 * 68 20.9 * 1.9
1977 98 9 89 22.2 0.4 2.4
1978 81 18 63 20.0 0.8 2.0
1979 70 17 53 20.6 0.8 1.4
1980 67 * 53 20.7 * 1.5
1981 90 13 77 20.6 0.6 2.2
1982 55 * 51 22.7 * 1.3
1983 66 * 60 23.3 * 1.3
1984 89 17 72 23.0 0.8 1.5
1985 37 * 35 24.1 * 0.7
1986 67 * 49 22.8 * 1.0
1987 82 8 73 25.2 0.4 1.6
1988 94 * 83 22.9 * 1.9
1989 82 * 76 24.6 * 1.5
1990 50 * 46 26.4 * 0.6
1991 63 * 61 25.3 * 1.2
1992 109 10 99 26.9 0.5 1.1
1993 59 8 51 25.2 0.4 0.8
1994 79 14 65 25.5 0.7 0.9
1995 111 30 81 23.0 1.4 1.3
1996 140 24 117 23.7 1.1 2.8
1997 114 35 79 22.3 1.5 1.9
1998 140 29 112 22.7 1.2 2.7
1999 121 29 92 22.8 1.2 2.2
2000 114 36 77 20.8 1.4 2.1
2001 154 38 116 22.8 1.6 2.9
20022 147 33 115 22.3 1.2 2.5
20033 96 39 57 20.2 1.5 1.6

50428

Table 4.5A Numbers (in Thousands) of Persons Who Initiated Hallucinogen Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 104 41 63 17.9 2.0 3.2
1966 146 59 87 19.8 2.7 3.5
1967 245 92 153 18.7 4.1 6.0
1968 393 188 204 18.7 8.3 7.3
1969 846 322 524 18.8 14.1 20.5
1970 945 408 537 18.3 18.0 21.6
1971 958 488 470 18.0 21.4 17.8
1972 1,041 521 521 17.7 22.6 19.8
1973 956 466 491 18.1 19.9 18.2
1974 970 481 489 18.7 20.4 16.6
1975 972 462 510 18.2 19.8 19.1
1976 953 441 512 19.1 19.1 17.8
1977 907 398 510 18.8 17.4 18.2
1978 943 452 491 18.2 19.9 17.8
1979 953 467 486 18.4 21.4 15.9
1980 1,015 439 576 19.1 20.6 18.6
1981 982 385 597 19.3 18.6 19.9
1982 985 383 602 20.0 18.5 18.9
1983 743 286 456 19.1 14.0 15.9
1984 705 263 442 19.3 13.0 15.1
1985 744 323 421 18.6 16.0 14.9
1986 837 328 509 19.4 16.9 17.2
1987 751 319 432 19.2 16.6 15.3
1988 757 296 461 19.1 15.8 16.2
1989 742 279 462 19.1 14.8 16.3
1990 654 283 371 19.5 15.1 12.1
1991 751 329 422 18.8 17.4 15.6
1992 726 332 394 18.8 16.9 14.1
1993 807 380 427 19.1 19.1 14.6
1994 943 470 473 18.1 23.3 18.4
1995 962 473 489 18.2 22.7 19.0
1996 1,050 510 540 18.8 23.9 21.1
1997 1,077 501 576 18.8 22.7 22.5
1998 1,104 514 590 18.8 22.5 21.9
1999 1,383 617 766 18.6 26.7 30.3
2000 1,522 664 858 19.1 28.2 32.1
2001 1,511 681 830 19.2 28.5 29.3
20022 1,141 530 610 18.6 21.5 22.0
20033 1,065 526 539 18.9 21.1 18.0

50428

Table 4.6A Numbers (in Thousands) of Persons Who Initiated LSD Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 58 * 32 22.7 * 0.9
1966 110 42 69 20.6 2.0 2.6
1967 142 52 91 19.3 2.2 3.4
1968 366 209 157 18.1 9.6 5.3
1969 674 244 431 18.9 10.6 16.8
1970 764 342 422 18.1 15.0 17.1
1971 769 347 422 18.5 15.0 15.1
1972 897 460 437 17.7 20.0 16.3
1973 816 403 413 18.3 17.0 14.6
1974 785 409 376 18.1 17.4 13.4
1975 664 312 352 18.5 13.3 12.2
1976 643 284 360 18.3 12.2 12.9
1977 683 311 372 18.8 13.4 12.9
1978 634 261 373 18.4 11.5 13.0
1979 787 388 399 18.3 17.5 13.0
1980 772 359 414 19.0 16.7 12.6
1981 773 319 455 19.3 15.3 14.2
1982 681 288 393 19.1 13.8 12.4
1983 565 222 343 19.0 10.8 11.8
1984 549 196 353 19.5 9.7 11.2
1985 570 266 303 19.2 13.1 9.1
1986 596 247 350 19.2 12.6 11.5
1987 567 287 280 18.6 14.9 9.4
1988 597 254 343 18.7 13.5 11.9
1989 604 231 373 19.5 12.3 11.6
1990 537 251 286 18.9 13.4 9.8
1991 597 302 296 18.3 16.0 10.9
1992 620 284 336 18.5 14.7 12.4
1993 579 282 297 18.5 14.3 10.6
1994 714 400 314 17.8 19.7 11.8
1995 780 404 376 17.8 19.4 14.8
1996 805 413 392 18.2 19.3 15.0
1997 777 392 385 18.3 17.7 14.9
1998 716 401 314 17.9 17.6 12.1
1999 762 397 365 17.9 17.1 13.8
2000 788 392 396 18.1 16.6 14.7
2001 614 314 300 18.1 13.0 10.9
20022 303 170 133 17.3 6.8 5.0
20033 320 147 173 18.5 5.7 5.4

50428

Table 4.7A Numbers (in Thousands) of Persons Who Initiated PCP Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 * * * * * *
1966 * * * * * *
1967 * * * * * *
1968 72 68 * 15.3 3.1 *
1969 58 43 * 17.2 1.8 *
1970 171 77 94 18.1 3.4 3.5
1971 264 121 143 19.2 5.2 4.6
1972 343 152 191 18.5 6.5 6.3
1973 352 132 219 19.0 5.6 7.7
1974 447 211 236 18.2 8.7 7.9
1975 409 203 206 18.4 8.5 6.4
1976 489 229 260 19.3 9.7 7.6
1977 433 177 257 19.0 7.6 7.9
1978 407 164 243 20.1 7.2 6.2
1979 350 144 206 18.9 6.5 6.1
1980 278 102 176 20.2 4.6 4.9
1981 247 87 159 19.6 4.1 4.5
1982 234 60 173 21.2 2.8 4.4
1983 157 53 104 19.3 2.6 3.2
1984 121 31 90 19.5 1.5 2.8
1985 116 49 68 18.9 2.4 2.1
1986 124 29 94 20.0 1.4 2.7
1987 101 34 67 20.6 1.7 1.7
1988 94 33 61 21.2 1.7 1.3
1989 117 44 73 20.4 2.3 1.8
1990 71 35 36 21.7 1.8 0.6
1991 81 38 43 20.0 1.9 1.1
1992 85 25 59 19.8 1.3 1.8
1993 89 45 44 19.2 2.2 1.3
1994 94 59 35 17.0 2.9 1.3
1995 145 68 76 18.4 3.2 2.7
1996 131 69 61 17.9 3.1 1.9
1997 124 67 57 17.6 2.8 2.0
1998 105 62 43 17.4 2.6 1.4
1999 149 79 69 17.7 3.3 2.5
2000 166 102 65 17.6 4.1 2.0
2001 177 97 79 17.7 3.9 2.4
20022 141 87 54 17.0 3.4 1.8
20033 136 78 58 17.8 3.0 1.4

50428

Table 4.8A Numbers (in Thousands) of Persons Who Initiated Ecstasy Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 * * * * * *
1966 * * * * * *
1967 * * * * * *
1968 * * * * * *
1969 * * * * * *
1970 * * * * * *
1971 * * * * * *
1972 21 * * * * *
1973 15 * * * * *
1974 * * * * * *
1975 * * * * * *
1976 38 * 30 21.9 * *
1977 * * * * * *
1978 16 * 8 * * *
1979 38 * 35 23.5 * 0.8
1980 33 * 29 24.1 * 0.6
1981 47 * 47 24.2 * 0.9
1982 29 12 17 19.9 0.6 0.4
1983 82 * 73 26.1 * 1.2
1984 93 * 91 25.1 * 1.6
1985 160 20 140 21.7 1.0 3.4
1986 179 23 155 22.9 1.2 3.8
1987 178 16 162 23.4 0.8 4.3
1988 191 37 154 22.9 1.9 3.9
1989 211 33 178 22.0 1.7 5.0
1990 197 17 180 24.8 0.9 3.5
1991 166 16 149 23.0 0.8 3.7
1992 208 24 184 24.0 1.2 4.0
1993 219 39 179 22.6 1.9 4.9
1994 268 57 211 22.2 2.8 5.8
1995 339 68 271 21.4 3.2 8.2
1996 412 100 313 22.7 4.4 9.0
1997 563 123 440 21.9 5.4 12.6
1998 839 166 674 21.4 7.1 20.3
1999 1,315 310 1,005 21.3 13.1 29.9
2000 1,633 406 1,227 21.3 17.0 36.9
2001 1,661 491 1,170 21.6 20.3 32.6
20022 1,152 342 810 21.5 13.8 21.8
20033 803 268 535 21.0 10.6 14.5

50428

Table 4.9A Numbers (in Thousands) of Persons Who Initiated Inhalant Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 92 91 * 13.9 4.3 *
1966 172 139 33 15.4 5.8 1.4
1967 194 132 61 16.3 5.4 2.3
1968 209 146 63 17.0 6.2 1.7
1969 296 213 83 16.1 9.2 3.3
1970 335 204 131 16.4 7.7 5.2
1971 325 207 117 17.3 8.4 3.2
1972 326 220 106 16.3 8.6 3.6
1973 406 226 180 18.1 9.5 5.4
1974 465 248 217 18.3 9.4 6.0
1975 519 316 203 17.3 12.3 6.7
1976 599 302 298 18.2 12.7 9.1
1977 742 345 396 18.4 14.1 11.5
1978 636 350 286 17.9 14.6 8.6
1979 806 404 401 18.6 17.7 10.9
1980 678 379 299 18.5 17.5 8.3
1981 597 329 268 18.1 15.1 7.2
1982 562 282 280 18.8 12.4 6.9
1983 579 325 254 18.1 14.3 6.6
1984 547 307 240 18.1 14.7 6.9
1985 573 276 297 19.0 13.6 8.6
1986 573 338 235 18.9 16.6 6.0
1987 560 315 244 18.1 15.1 7.7
1988 551 323 228 17.5 15.9 7.4
1989 464 239 225 18.0 11.4 7.8
1990 523 287 236 17.9 14.4 8.3
1991 472 268 204 18.5 13.3 5.6
1992 559 359 200 16.9 17.4 7.2
1993 597 338 259 18.1 16.1 7.8
1994 551 373 178 16.7 16.6 6.3
1995 689 404 285 17.6 17.7 10.3
1996 670 408 262 17.0 16.5 9.3
1997 704 455 248 16.4 17.5 9.7
1998 821 507 314 17.2 18.4 11.1
1999 904 572 332 16.6 20.2 11.5
2000 1,028 708 320 16.4 24.8 10.6
2001 1,085 759 325 16.0 27.9 11.5
20022 1,057 812 245 15.4 29.6 8.4
20033 1,077 829 248 15.4 31.9 8.4

50428

Table 4.10A Numbers (in Thousands) of Persons Who Initiated Nonmedical Use of Pain Relievers in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 95 33 62 24.9 * *
1966 52 28 24 19.8 1.0 *
1967 128 52 76 19.8 2.3 2.7
1968 224 70 154 19.9 2.9 6.1
1969 296 150 145 19.8 6.4 4.2
1970 367 172 195 19.3 6.6 5.9
1971 404 160 244 19.6 6.7 8.1
1972 358 133 224 19.6 5.4 7.0
1973 431 177 254 19.8 7.3 7.4
1974 456 201 256 19.4 7.7 6.9
1975 495 177 318 20.2 7.1 8.8
1976 443 166 277 20.9 7.0 6.6
1977 491 156 335 20.2 6.5 9.8
1978 457 173 284 19.9 7.2 7.8
1979 526 223 303 20.1 10.0 7.7
1980 509 177 332 21.6 7.8 6.7
1981 488 127 361 21.1 5.8 9.1
1982 460 146 314 21.9 6.5 6.8
1983 594 143 451 22.2 6.6 10.3
1984 506 113 393 24.0 4.9 8.6
1985 540 156 383 21.9 6.9 9.1
1986 562 94 467 24.3 4.5 10.0
1987 625 138 487 24.6 6.2 9.2
1988 538 89 448 24.7 4.3 9.4
1989 612 134 478 24.2 6.6 9.9
1990 557 115 442 23.3 5.5 10.2
1991 604 146 457 23.8 6.9 9.9
1992 777 184 593 24.5 8.3 11.7
1993 694 173 521 23.3 7.6 12.5
1994 932 260 672 24.1 11.2 13.8
1995 917 298 618 23.0 12.5 14.2
1996 1,100 355 744 22.0 14.8 20.4
1997 1,316 430 886 22.1 17.3 24.0
1998 1,548 558 990 22.7 21.9 23.5
1999 1,810 677 1,133 22.4 26.4 27.8
2000 2,268 860 1,408 22.0 34.7 36.3
2001 2,400 1,025 1,375 21.4 41.9 35.0
20022 2,699 1,154 1,545 22.0 47.8 37.5
20033 2,581 1,229 1,352 21.3 51.1 31.6

50428

Table 4.11A Numbers (in Thousands) of Persons Who Initiated Nonmedical Use of OxyContin® in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2004 NSDUH
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 * * * * * *
1966 * * * * * *
1967 * * * * * *
1968 * * * * * *
1969 * * * * * *
1970 * * * * * *
1971 * * * * * *
1972 * * * * * *
1973 * * * * * *
1974 * * * * * *
1975 * * * * * *
1976 * * * * * *
1977 * * * * * *
1978 * * * * * *
1979 * * * * * *
1980 * * * * * *
1981 * * * * * *
1982 * * * * * *
1983 * * * * * *
1984 * * * * * *
1985 * * * * * *
1986 * * * * * *
1987 * * * * * *
1988 * * * * * *
1989 * * * * * *
1990 * * * * * *
1991 * * * * * *
1992 18 * * * * *
1993 42 * * * * *
1994 * * * * * *
1995 21 9 * 28.3 0.4 *
1996 46 17 * 18.7 0.8 *
1997 92 25 68 20.5 1.1 2.1
1998 124 39 85 21.9 1.7 2.1
1999 186 48 138 23.8 1.9 2.9
2000 304 55 248 25.9 2.3 4.9
2001 502 104 398 24.7 4.3 8.4
2002 595 146 450 24.0 5.8 9.1
2003 721 198 522 26.1 7.7 9.1

50428

Table 4.12A Numbers (in Thousands) of Persons Who Initiated Nonmedical Use of Tranquilizers in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 59 28 31 17.7 1.3 *
1966 62 * * 18.5 * *
1967 110 * 87 21.2 * 2.8
1968 155 26 129 21.1 1.2 4.4
1969 235 115 120 19.1 5.0 3.6
1970 218 116 102 18.3 4.9 3.4
1971 255 120 135 20.6 5.2 4.1
1972 374 150 224 19.2 6.1 6.9
1973 460 157 302 20.3 6.5 8.4
1974 462 225 237 18.6 9.1 7.4
1975 471 139 332 20.5 5.8 8.8
1976 492 201 291 20.0 8.3 7.9
1977 423 159 264 20.6 6.7 7.0
1978 394 118 276 21.0 5.1 7.6
1979 481 182 299 20.7 8.0 7.5
1980 385 137 248 20.1 6.3 6.9
1981 447 124 323 21.2 5.8 8.5
1982 416 96 320 21.9 4.6 7.8
1983 403 64 339 22.9 2.6 7.8
1984 468 91 377 23.8 4.3 7.5
1985 424 104 320 24.2 5.0 6.6
1986 391 97 294 24.6 4.8 5.8
1987 354 47 307 24.7 2.1 6.1
1988 415 59 356 25.5 2.9 7.7
1989 412 52 360 25.6 2.6 7.5
1990 377 78 299 24.9 4.1 6.0
1991 380 54 326 26.2 2.6 5.7
1992 441 73 368 28.0 3.3 5.9
1993 519 114 405 26.2 5.5 7.0
1994 467 107 360 24.3 5.1 7.4
1995 580 145 435 25.9 6.7 7.4
1996 659 174 485 23.1 7.7 11.4
1997 668 195 473 23.6 8.4 10.6
1998 860 246 614 24.1 10.4 12.6
1999 916 257 659 23.3 10.7 14.6
2000 1,298 355 943 25.0 14.6 19.4
2001 1,212 391 820 22.9 16.0 18.6
20022 1,253 410 843 23.0 16.6 18.0
20033 1,322 386 936 24.3 15.2 16.5

50428

Table 4.13A Numbers (in Thousands) of Persons Who Initiated Nonmedical Use of Stimulants in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 149 * 105 19.9 * 3.7
1966 218 47 171 20.1 2.2 7.5
1967 266 135 130 18.2 6.2 5.2
1968 348 156 192 18.1 7.1 8.1
1969 443 200 242 18.4 8.9 9.6
1970 577 228 349 18.9 10.0 13.2
1971 624 227 397 18.7 9.7 14.4
1972 626 270 356 18.6 11.4 12.7
1973 535 244 291 18.5 10.4 9.6
1974 603 247 356 18.5 10.4 12.8
1975 573 237 337 18.8 9.7 11.3
1976 600 237 363 19.5 10.1 11.7
1977 656 276 380 18.8 11.8 11.9
1978 593 227 366 19.4 9.9 11.0
1979 643 295 348 18.6 13.4 10.7
1980 672 291 381 18.9 13.5 11.9
1981 595 229 367 20.0 10.9 9.2
1982 597 236 361 19.6 11.0 10.0
1983 488 148 340 21.1 7.2 8.2
1984 424 169 255 19.2 8.2 7.4
1985 409 142 266 21.3 7.1 6.5
1986 397 142 255 20.1 7.2 7.3
1987 377 114 263 21.2 5.7 6.9
1988 344 135 209 20.2 7.1 5.7
1989 328 81 246 21.8 4.0 6.7
1990 317 99 218 21.3 5.0 6.0
1991 278 83 196 21.9 4.0 4.7
1992 303 127 176 20.8 6.2 4.3
1993 399 134 265 20.8 6.6 7.1
1994 432 174 258 20.3 8.1 6.8
1995 533 215 318 20.6 9.8 9.0
1996 577 228 349 20.3 10.2 10.2
1997 553 245 308 20.0 10.6 8.9
1998 648 280 369 20.2 11.7 10.1
1999 706 293 412 20.5 11.9 10.6
2000 808 362 446 19.9 14.6 12.0
2001 853 396 457 19.7 16.1 12.5
20022 775 381 393 19.1 15.0 11.0
20033 764 308 457 20.9 11.9 10.8

50428

Table 4.14A Numbers (in Thousands) of Persons Who Initiated Nonmedical Use of Methamphetamine in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 28 * * * * *
1966 97 35 62 19.4 1.6 2.8
1967 112 62 50 17.3 2.9 2.2
1968 138 65 73 17.6 2.9 3.2
1969 241 120 121 18.8 5.3 4.1
1970 279 96 184 18.8 4.2 7.1
1971 442 153 289 19.0 6.5 10.1
1972 349 137 212 18.1 5.7 7.9
1973 371 145 226 18.9 6.1 7.1
1974 364 148 216 18.3 6.2 7.6
1975 382 151 231 18.9 6.3 7.7
1976 403 180 223 18.8 7.6 6.9
1977 417 179 238 18.7 7.7 7.1
1978 322 127 195 19.0 5.4 6.3
1979 465 237 228 18.0 10.7 7.1
1980 398 174 224 18.7 8.0 6.6
1981 379 150 229 19.5 7.1 6.0
1982 375 139 236 19.3 6.5 7.0
1983 369 102 267 20.5 4.9 7.2
1984 324 116 208 19.4 5.7 5.9
1985 320 107 214 20.8 5.3 5.3
1986 330 124 206 19.7 6.3 6.0
1987 321 96 225 21.4 4.9 5.3
1988 257 83 174 20.6 4.3 4.8
1989 253 57 196 22.3 2.9 5.2
1990 211 52 159 21.8 2.6 4.1
1991 231 51 180 22.4 2.6 4.4
1992 215 88 127 20.4 4.4 3.2
1993 286 98 188 21.0 4.9 5.0
1994 296 103 193 20.8 5.0 5.2
1995 345 126 219 20.9 5.8 6.2
1996 327 122 205 20.9 5.5 5.7
1997 336 130 206 20.1 5.7 5.8
1998 352 140 212 20.8 6.0 5.2
1999 308 112 196 20.9 4.6 5.2
2000 337 139 198 19.8 5.7 5.5
2001 362 157 205 19.3 6.3 5.7
20022 343 140 203 19.9 5.5 5.1
20033 363 132 231 22.0 5.2 4.5

50428

Table 4.15A Numbers (in Thousands) of Persons Who Initiated Nonmedical Use of Sedatives in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 54 48 * 14.8 1.9 *
1966 49 * 40 21.8 * 1.1
1967 164 76 88 17.4 3.3 3.7
1968 182 89 93 18.3 4.1 3.6
1969 292 174 119 18.7 7.7 3.6
1970 387 228 159 17.4 9.9 5.8
1971 425 182 243 18.7 7.8 8.3
1972 450 154 296 18.9 6.6 10.5
1973 526 253 273 18.1 10.4 9.4
1974 551 242 309 18.7 10.1 9.8
1975 470 191 280 19.7 8.0 9.0
1976 478 231 247 19.0 9.8 7.5
1977 495 168 328 19.3 7.2 9.9
1978 460 210 250 19.5 9.2 6.6
1979 498 221 277 18.8 10.0 8.6
1980 398 154 243 19.7 7.1 6.7
1981 395 121 273 21.3 5.7 7.3
1982 367 111 256 21.6 5.2 6.2
1983 233 47 187 21.1 2.2 4.6
1984 194 50 144 21.0 2.4 4.0
1985 132 43 89 22.6 2.1 1.9
1986 94 28 67 22.2 1.3 1.8
1987 109 13 96 26.8 0.6 1.6
1988 80 10 70 24.8 0.5 1.2
1989 90 19 72 22.8 0.9 1.6
1990 101 21 80 23.5 1.0 1.6
1991 76 14 61 27.1 0.7 0.9
1992 96 34 62 23.5 1.6 1.1
1993 105 33 72 23.2 1.6 1.7
1994 91 23 68 23.3 1.0 1.3
1995 117 31 85 25.5 1.4 1.5
1996 115 42 73 22.3 1.7 1.8
1997 120 41 79 21.9 1.7 1.9
1998 147 49 98 25.7 2.0 1.9
1999 164 52 111 25.4 2.0 2.1
2000 191 66 125 22.8 2.6 2.2
2001 225 91 134 23.2 3.3 2.2
20022 267 87 179 28.0 3.1 2.2
20033 245 90 154 26.1 3.4 2.3

50428

Table 4.16A Numbers (in Thousands) of Persons Who Initiated Alcohol Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 3,261 1,817 1,444 17.4 96.1 223.0
1966 2,968 1,638 1,330 17.1 86.6 213.3
1967 3,604 1,959 1,645 17.2 104.4 246.2
1968 3,552 2,059 1,493 17.2 108.2 216.3
1969 3,893 2,213 1,679 17.1 115.3 259.3
1970 4,003 2,390 1,613 16.9 122.2 261.0
1971 3,922 2,441 1,481 16.8 125.4 239.0
1972 4,272 2,703 1,569 16.9 141.9 260.1
1973 4,072 2,685 1,387 16.5 142.7 234.9
1974 4,211 2,845 1,366 16.7 153.4 233.1
1975 3,919 2,597 1,322 16.6 140.9 226.0
1976 3,930 2,600 1,330 16.6 142.6 229.0
1977 4,130 2,811 1,319 16.4 158.8 242.3
1978 3,852 2,702 1,150 16.3 159.2 209.8
1979 3,993 2,721 1,273 16.5 167.1 235.4
1980 3,626 2,453 1,173 16.6 155.1 220.8
1981 3,606 2,461 1,145 16.7 158.9 214.7
1982 3,466 2,403 1,063 16.6 152.9 202.9
1983 3,289 2,199 1,090 16.5 141.4 217.7
1984 3,365 2,367 998 16.5 156.6 198.4
1985 3,263 2,237 1,026 16.7 149.6 212.7
1986 3,316 2,404 912 16.1 165.0 192.6
1987 3,119 2,063 1,057 16.7 144.7 218.4
1988 2,909 1,971 938 16.4 138.9 194.7
1989 3,195 2,140 1,055 16.7 152.3 210.2
1990 2,933 1,941 993 16.8 135.3 198.0
1991 2,890 1,875 1,015 16.6 125.7 211.1
1992 3,059 2,009 1,050 16.8 128.9 207.5
1993 3,190 2,192 998 16.4 138.4 198.0
1994 3,311 2,260 1,051 16.2 137.5 206.5
1995 3,299 2,218 1,081 16.5 132.4 209.1
1996 3,473 2,338 1,136 16.6 134.5 221.3
1997 3,668 2,538 1,130 16.3 141.8 220.4
1998 3,882 2,633 1,248 16.4 145.8 238.8
1999 4,072 2,832 1,240 16.5 155.6 233.2
2000 4,764 3,358 1,407 16.3 191.6 273.3
20012 4,906 3,500 1,406 16.3 200.7 277.4
20023 5,240 3,748 1,492 16.2 216.6 290.0
20033 -- -- 1,442 -- 228.2 284.1

50428

Table 4.17A Numbers (in Thousands) of Persons Who Initiated Alcohol Use in the United States by Underage and Legal Drinking Age Groups, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 21 21 or Older 12-20 21-25
1965 3,261 2,677 584 17.4 123.1 172.8
1966 2,968 2,524 444 17.1 114.7 156.4
1967 3,604 3,099 505 17.2 139.9 162.5
1968 3,552 3,011 542 17.2 134.9 153.1
1969 3,893 3,276 616 17.1 146.7 201.3
1970 4,003 3,361 642 16.9 149.7 211.4
1971 3,922 3,314 609 16.8 149.1 182.8
1972 4,272 3,610 662 16.9 165.0 212.9
1973 4,072 3,648 424 16.5 169.3 127.5
1974 4,211 3,694 517 16.7 173.7 159.6
1975 3,919 3,449 470 16.6 163.8 142.1
1976 3,930 3,435 494 16.6 165.1 150.4
1977 4,130 3,678 452 16.4 182.1 149.7
1978 3,852 3,405 447 16.3 174.7 147.7
1979 3,993 3,518 476 16.5 187.0 164.7
1980 3,626 3,219 407 16.6 176.4 133.8
1981 3,606 3,210 396 16.7 179.6 123.2
1982 3,466 3,052 414 16.6 169.6 132.2
1983 3,289 2,865 424 16.5 160.6 156.5
1984 3,365 2,987 378 16.5 172.2 126.4
1985 3,263 2,846 417 16.7 167.1 149.4
1986 3,316 2,950 366 16.1 175.8 143.7
1987 3,119 2,698 422 16.7 164.0 157.8
1988 2,909 2,524 385 16.4 152.1 163.3
1989 3,195 2,734 461 16.7 165.4 182.8
1990 2,933 2,465 468 16.8 147.0 187.1
1991 2,890 2,446 444 16.6 142.7 180.9
1992 3,059 2,566 493 16.8 143.7 182.9
1993 3,190 2,767 423 16.4 151.8 162.6
1994 3,311 2,869 442 16.2 152.3 170.0
1995 3,299 2,847 451 16.5 148.4 169.3
1996 3,473 2,983 490 16.6 151.5 180.5
1997 3,668 3,220 448 16.3 158.9 167.5
1998 3,882 3,413 468 16.4 166.2 173.6
1999 4,072 3,561 511 16.5 171.4 191.0
2000 4,764 4,189 575 16.3 207.9 231.9
20012 4,906 4,347 559 16.3 216.8 229.1
20023 5,240 4,634 606 16.2 233.1 235.4
20033 -- -- 602 -- 244.2 214.3

50428

Table 4.18A Numbers (in Thousands) of Persons Who Initiated Cigarette Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 2,714 2,158 556 14.9 125.5 89.4
1966 2,600 1,921 680 15.3 110.3 96.7
1967 3,131 2,397 734 15.3 142.2 99.5
1968 3,046 2,186 860 15.6 123.2 112.3
1969 2,905 2,300 605 15.2 130.7 75.7
1970 3,133 2,418 716 15.2 132.8 89.4
1971 3,214 2,533 681 15.1 140.8 82.8
1972 3,487 2,644 842 15.3 149.5 99.6
1973 3,542 2,834 707 14.8 159.3 81.6
1974 3,418 2,754 665 14.8 156.7 78.1
1975 3,324 2,588 737 15.3 151.4 79.4
1976 3,309 2,581 728 15.2 157.7 78.3
1977 2,921 2,326 595 15.0 138.7 64.5
1978 3,056 2,461 595 15.3 154.1 58.9
1979 2,853 2,188 664 15.4 137.6 69.5
1980 2,650 1,953 697 15.8 127.3 71.2
1981 2,653 1,982 671 15.4 126.2 70.7
1982 2,531 1,978 553 15.6 127.4 54.2
1983 2,640 2,061 579 15.7 135.2 55.4
1984 2,435 1,875 560 15.5 122.4 57.4
1985 2,576 1,949 626 15.6 129.7 64.7
1986 2,362 1,815 547 15.5 120.0 57.1
1987 2,416 1,771 645 15.6 117.3 68.0
1988 2,503 1,820 683 15.5 120.0 70.8
1989 2,404 1,757 647 15.8 118.1 65.8
1990 2,402 1,742 659 15.7 114.4 65.7
1991 2,497 1,842 655 15.6 117.4 65.2
1992 2,596 1,857 739 15.9 115.6 70.7
1993 2,716 2,070 647 15.3 127.5 63.9
1994 2,863 2,175 688 15.3 129.1 66.6
1995 3,039 2,353 686 15.2 137.3 68.3
1996 3,237 2,444 794 15.5 142.1 78.8
1997 3,239 2,388 851 15.6 134.4 85.6
1998 3,119 2,414 705 15.4 135.6 72.9
1999 3,116 2,323 793 15.8 131.8 81.5
2000 3,019 2,261 757 15.9 127.7 74.1
20012 2,791 2,104 687 15.9 115.3 66.7
20023 2,644 1,874 770 16.4 101.4 70.5
20033 -- -- 711 -- 102.1 67.5

50428

Table 4.19A Numbers (in Thousands) of Persons Who Initiated Daily Cigarette Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 1,545 777 768 17.7 38.3 59.4
1966 1,589 822 768 17.6 39.9 57.2
1967 1,782 908 874 17.4 44.1 63.5
1968 1,727 684 1,044 18.2 31.3 70.2
1969 1,906 880 1,026 18.1 40.7 66.5
1970 1,820 935 885 18.0 43.3 52.7
1971 1,830 934 896 17.8 42.9 50.8
1972 1,972 1,047 925 17.5 47.5 52.2
1973 2,134 1,123 1,011 17.7 49.7 53.0
1974 2,139 1,226 913 17.4 55.0 48.7
1975 2,156 1,249 907 17.3 56.4 47.6
1976 1,974 1,120 854 17.7 52.1 40.7
1977 1,884 1,067 817 17.6 49.2 38.8
1978 1,864 1,019 845 18.1 47.8 38.2
1979 1,732 936 797 17.8 45.4 37.2
1980 1,710 876 834 18.3 42.3 35.3
1981 1,603 846 757 18.1 42.3 33.3
1982 1,592 787 805 18.4 38.9 34.9
1983 1,516 766 750 18.4 38.7 31.4
1984 1,403 701 702 18.1 36.5 31.0
1985 1,389 733 657 17.9 38.5 30.0
1986 1,360 746 614 18.3 39.6 26.1
1987 1,469 702 767 18.5 37.2 32.5
1988 1,326 627 699 18.9 34.4 28.2
1989 1,343 631 712 18.3 34.4 32.3
1990 1,408 655 753 18.9 36.3 32.3
1991 1,463 667 796 18.9 36.1 33.4
1992 1,466 737 729 18.6 39.2 30.4
1993 1,434 783 651 17.9 40.9 29.5
1994 1,595 841 754 18.4 42.6 32.4
1995 1,608 883 725 18.0 43.5 33.4
1996 1,950 1,010 940 18.8 48.4 40.9
1997 1,960 1,048 911 18.4 49.4 41.9
1998 1,811 996 815 17.9 45.6 39.3
1999 1,827 986 841 18.2 44.6 38.9
2000 1,855 971 883 18.5 43.0 39.3
2001 1,639 883 756 18.8 39.1 32.2
20022 1,519 818 701 18.9 35.3 28.7
20033 1,356 702 654 18.9 29.5 26.3

50428

Table 4.20A Numbers (in Thousands) of Persons Who Initiated Smokeless Tobacco Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 506 316 191 17.3 13.2 8.0
1966 392 186 207 18.6 6.5 8.2
1967 544 306 239 17.3 11.3 9.5
1968 558 322 236 18.0 12.1 8.0
1969 571 364 206 16.6 13.0 7.6
1970 723 400 323 17.5 14.4 11.9
1971 648 374 274 17.5 12.2 8.3
1972 758 479 279 17.2 16.9 8.5
1973 923 531 392 17.7 18.3 12.6
1974 831 514 317 16.7 18.1 11.1
1975 941 616 325 16.7 20.5 10.2
1976 940 601 338 17.0 22.1 9.8
1977 1,214 746 468 17.4 27.9 12.9
1978 1,234 793 441 16.7 30.7 12.6
1979 1,355 905 450 16.9 36.9 12.1
1980 1,249 820 429 17.1 34.8 12.6
1981 1,368 821 547 17.5 35.7 15.5
1982 1,363 873 490 17.1 37.1 13.7
1983 1,272 869 403 16.7 40.5 12.5
1984 1,461 968 493 17.2 46.2 14.4
1985 1,143 791 352 16.7 39.5 10.9
1986 1,136 790 347 17.0 40.7 10.9
1987 991 611 379 17.9 31.2 11.2
1988 987 644 343 17.6 32.9 10.7
1989 972 592 380 17.5 31.1 13.7
1990 904 599 304 17.3 31.2 10.3
1991 939 572 367 18.4 29.7 12.1
1992 1,034 679 355 17.8 34.0 12.7
1993 974 663 311 17.1 32.3 11.8
1994 1,006 644 362 18.3 30.8 11.8
1995 974 657 317 17.7 30.4 11.3
1996 991 647 345 17.5 28.7 13.8
1997 1,015 640 375 18.5 27.8 13.6
1998 992 613 379 17.8 26.0 13.7
1999 979 633 346 17.3 26.0 13.4
2000 1,036 617 419 18.7 25.9 13.5
2001 1,018 581 438 18.5 24.3 15.0
20022 944 592 353 17.8 24.4 12.0
20033 1,032 575 457 18.6 23.0 15.5

50428

Table 4.21A Numbers (in Thousands) of Persons Who Initiated Cigar Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 1,052 334 717 20.2 14.6 38.2
1966 1,170 518 652 18.4 23.2 37.2
1967 1,162 454 708 19.0 20.8 35.9
1968 1,259 474 784 19.1 20.9 38.7
1969 1,453 553 900 19.9 22.9 38.6
1970 1,279 455 824 19.7 18.8 35.7
1971 1,353 506 846 19.5 20.9 37.3
1972 1,536 619 918 19.0 25.7 37.9
1973 1,513 587 926 18.8 24.1 40.9
1974 1,364 502 861 19.7 19.9 32.9
1975 1,463 534 928 19.4 21.3 36.2
1976 1,446 504 942 20.4 21.0 32.5
1977 1,291 469 821 20.1 19.5 28.7
1978 1,307 413 894 20.4 17.9 31.4
1979 1,316 425 891 20.5 18.2 29.5
1980 1,330 382 948 20.8 16.5 31.0
1981 1,292 377 915 20.6 17.1 29.1
1982 1,441 404 1,037 21.8 18.4 31.4
1983 1,352 403 949 20.8 19.1 29.1
1984 1,272 314 958 21.2 14.8 30.5
1985 1,252 394 859 20.5 19.2 29.1
1986 1,170 355 815 21.3 17.8 24.8
1987 1,379 297 1,082 23.1 14.6 32.4
1988 1,462 351 1,112 22.1 17.9 32.8
1989 1,546 335 1,211 23.3 16.6 33.9
1990 1,441 332 1,108 22.1 17.0 35.1
1991 1,624 436 1,188 22.2 21.3 35.7
1992 1,821 459 1,362 22.7 22.4 40.9
1993 2,006 546 1,459 23.4 26.6 40.5
1994 2,424 742 1,682 22.3 35.5 50.6
1995 2,550 857 1,693 21.6 40.0 55.3
1996 3,133 984 2,149 21.9 44.9 73.6
1997 3,430 1,127 2,303 22.3 51.3 75.9
1998 3,578 1,290 2,288 22.2 57.9 74.6
1999 3,399 1,281 2,118 21.8 57.4 75.0
2000 3,473 1,395 2,078 22.1 62.5 69.7
2001 3,266 1,444 1,821 21.9 65.8 63.4
20022 3,065 1,401 1,664 20.9 62.6 59.3
20033 2,904 1,414 1,490 21.6 63.7 49.6

50428

Table 4.22A Numbers (in Thousands) of Persons Who Initiated Illicit Drug Use in the United States, Their Mean Age at First Use, and Rates of First Use (Per 1,000 Person-Years of Exposure): 1965-2003, Based on 2002-2004 NSDUHs
YEAR NUMBER OF INITIATES (1,000s) MEAN AGE AGE-SPECIFIC RATES1
All Ages Under 18 18 or Older 12-17 18-25
1965 898 384 514 18.4 17.9 25.2
1966 1,047 393 654 19.1 17.1 29.4
1967 1,635 671 964 18.6 30.9 40.9
1968 2,281 939 1,342 18.6 43.0 60.5
1969 2,623 1,149 1,474 18.5 53.5 69.0
1970 2,920 1,382 1,538 18.5 63.6 69.7
1971 3,031 1,444 1,587 18.6 67.3 75.0
1972 3,346 1,736 1,610 18.4 81.5 71.8
1973 3,397 1,741 1,656 18.5 81.3 79.6
1974 3,344 1,970 1,374 18.1 93.6 65.5
1975 3,312 1,977 1,335 18.0 95.9 65.5
1976 3,394 1,977 1,417 18.5 101.1 70.4
1977 3,423 2,054 1,369 18.3 106.3 70.7
1978 3,374 2,049 1,325 18.3 109.0 70.8
1979 3,143 1,887 1,256 18.5 103.9 67.0
1980 2,725 1,681 1,043 18.4 93.8 54.6
1981 2,565 1,548 1,017 18.1 88.5 60.7
1982 2,481 1,491 989 19.0 83.9 51.8
1983 2,481 1,538 943 18.1 86.5 57.5
1984 2,327 1,474 852 18.1 85.2 50.3
1985 2,347 1,444 903 18.3 83.7 54.8
1986 2,261 1,384 877 17.8 83.0 56.1
1987 2,024 1,276 748 18.0 73.7 47.4
1988 1,983 1,219 764 18.0 73.2 50.0
1989 1,897 1,095 802 18.5 64.5 47.9
1990 1,793 1,040 753 18.6 59.8 44.1
1991 1,953 1,164 789 18.4 65.7 45.6
1992 2,249 1,360 889 18.0 74.2 52.5
1993 2,371 1,515 856 17.4 82.4 52.0
1994 2,711 1,754 957 17.4 94.0 57.1
1995 2,893 1,835 1,058 17.2 96.5 64.8
1996 2,840 1,800 1,041 17.7 93.4 61.4
1997 2,959 1,987 973 17.2 101.5 61.0
1998 3,118 2,036 1,081 17.6 100.0 65.1
1999 3,258 2,136 1,122 17.8 104.2 67.0
2000 3,649 2,417 1,231 17.8 119.8 71.6
2001 3,597 2,380 1,217 18.0 121.1 69.8
20022 3,513 2,441 1,072 17.8 125.2 60.6
20033 3,462 2,254 1,208 18.1 117.6 61.9

50616

Table 4.23B Past Year Initiation of Illicit Drug Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Illicit Drug Use, and Past Year Illicit Drug Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2003 and 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
TOTAL 2,627 2,784 1.1 1.2 2.0 2.1 7.5 8.0
AGE                
     12-17 1,562 1,487 6.2 5.9 8.3 7.8 28.6 28.1
          12-13 309 278 3.7 3.3 4.1 3.8 40.1 36.0
          14-15 587 599 7.1 6.9 9.3 9.0 32.3 32.7
          16-17 665 610 8.0 7.5 13.0 12.0 23.1 22.6
     18-25 742 818 2.3 2.5 5.6 5.9 6.8 7.5
          18-20 529 604 4.2 4.8 9.1 9.9 10.7 12.5
          21-25 213 214 1.1 1.1 2.9 2.7 3.5 3.5
     26 or Older 324 479 0.2 0.3 0.3 0.5 1.7 2.6
GENDER                
     Male 1,137 1,173 1.0 1.0 2.0 2.0 5.7 6.0
     Female 1,490 1,611 1.2 1.3 2.0 2.2 9.8 10.6
GENDER/AGE                
     Male 12-17 726 691 5.7 5.4 7.6 7.2 26.1 26.0
     Female 12-17 836 796 6.8 6.5 8.9 8.4 31.2 30.1

50616

Table 4.24B Past Year Initiation of Marijuana Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Marijuana Use, and Past Year Marijuana Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2003 and 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
TOTAL 1,973  2,142 0.8  0.9 1.4 1.5 7.8  8.4
AGE                
     12-17 1,219  1,252 4.9  5.0 5.7 5.8 32.5  34.2
          12-13 113  138 1.3  1.6 1.4 1.7 57.4  59.8
          14-15 480  511 5.8  5.9 6.6 6.7 39.4  42.8
          16-17 626  603 7.6  7.4 10.7 10.3 26.8  27.0
     18-25 666  714 2.1  2.2 4.4 4.5 7.4  8.0
          18-20 495  575 3.9  4.6 7.4 8.3 12.0a 14.2
          21-25 172  138 0.9  0.7 2.0 1.5 3.5  2.8
     26 or Older 88  176 0.0  0.1 0.1 0.2 0.6  1.4
GENDER                
     Male 929  918 0.8  0.8 1.5 1.4 6.1  6.0
     Female 1,044a 1,224 0.9a 1.0 1.3 1.5 10.3a 12.0
GENDER/AGE                
     Male 12-17 562  577 4.4  4.5 5.2 5.3 28.7  30.1
     Female 12-17 657  675 5.4  5.5 6.2 6.3 36.6  38.8

50616

Table 4.25B Past Year Initiation of Cigarette Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Cigarette Use, and Past Year Cigarette Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2003 and 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
TOTAL 1,983 2,122 0.8 0.9 2.6 2.6 2.8 3.0
AGE                
     12-17 1,226 1,294 4.9 5.1 6.6 6.8 25.9 27.9
          12-13 202 230 2.4 2.7 2.6 3.0 42.7 46.6
          14-15 485 477 5.9 5.5 7.9 7.2 31.4 30.4
          16-17 539 587 6.5 7.2 11.6 12.0 19.8 22.7
     18-25 659 765 2.1 2.4 6.5 7.1 4.4 5.0
          18-20 517 607 4.1 4.8 10.8 11.8 8.9 10.5
          21-25 142 158 0.7 0.8 2.7 2.8 1.5 1.7
     26 or Older 98 63 0.1 0.0 0.2 0.1 0.2 0.1
GENDER                
     Male 919 973 0.8 0.8 2.9 2.9 2.5 2.6
     Female 1,063 1,150 0.9 0.9 2.4 2.4 3.3 3.6
GENDER/AGE                
     Male 12-17 548 565 4.3 4.4 5.8 5.8 23.3 25.3
     Female 12-17 679 729 5.6 5.9 7.5 7.8 28.4 30.2

50616

Table 4.26B Past Year Initiation of Alcohol Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Alcohol Use, and Past Year Alcohol Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2003 and 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
TOTAL 4,082a 4,396 1.7 1.8 9.2 9.4 2.6  2.8
AGE                
     12-17 2,593  2,743 10.4 10.9 15.4 15.8 30.2  32.1
          12-13 451  472 5.3 5.6 6.1 6.4 43.9a 49.9
          14-15 1,125  1,222 13.6 14.1 19.6 20.0 39.0  40.4
          16-17 1,017  1,049 12.3 12.8 27.0 27.5 21.8  23.0
     18-25 1,430  1,484 4.5 4.6 25.8 25.0 5.8  5.9
          18-20 961  1,004 7.7 8.0 29.5 29.4 10.7  11.1
          21-25 468  481 2.4 2.4 20.6 19.1 3.0  3.0
     26 or Older 60  169 0.0 0.1 0.3 0.7 0.0  0.1
GENDER                
     Male 1,827 1,985  1.6 1.7 10.4 10.8 2.3  2.4
     Female 2,255  2,411 1.8 1.9 8.4 8.5 3.0  3.2
GENDER/AGE                
     Male 12-17 1,156  1,285 9.1 10.0 13.5 14.6 28.1  30.6
     Female 12-17 1,436  1,458 11.7 11.8 17.3 17.1 32.2  33.7

50616

Table 4.27B Past Year Initiation of Substance Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 or Older: Numbers in Thousands and Percentages, 2003 and 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
ILLICIT DRUG3 2,627  2,784 1.1 1.2 2.0 2.1 7.5  8.0
     Marijuana and Hashish 1,973  2,142 0.8 0.9 1.4 1.5 7.8  8.4
     Cocaine 986  998 0.4 0.4 0.5 0.5 16.7  17.6
          Crack 269  215 0.1 0.1 0.1 0.1 19.1  16.5
     Heroin 92  118 0.0 0.0 0.0 0.0 29.6
     Hallucinogens 886  934 0.4 0.4 0.4 0.5 22.5  24.1
          LSD 200  235 0.1 0.1 0.1 0.1 35.6  39.7
          PCP 105  106 0.0 0.0 0.0 0.0 48.1  *
          Ecstasy 642  607 0.3 0.3 0.3 0.3 29.9  31.7
     Inhalants 871  857 0.4 0.4 0.4 0.4 41.9  38.0
     Nonmedical Use of
        Psychotherapeutics4
2,583  2,836 1.1 1.2 1.3 1.5 17.2a 19.4
          Pain Relievers 2,456  2,422 1.0 1.0 1.2 1.1 21.0  21.5
               OxyContin® --  615 -- 0.3 -- 0.3 --  50.7
          Tranquilizers 1,071  1,180 0.5 0.5 0.5 0.5 21.2  23.3
          Stimulants 715  793 0.3 0.3 0.3 0.4 26.0  27.2
               Methamphetamine 260  318 0.1 0.1 0.1 0.1 19.7  22.1
          Sedatives 194  240 0.1 0.1 0.1 0.1 23.3  32.5
ILLICIT DRUG OTHER THAN MARIJUANA3 2,523  2,664 1.1 1.1 1.5 1.5 12.4  13.5
CIGARETTES 1,983  2,122 0.8 0.9 2.6 2.6 2.8  3.0
     Daily Cigarette Use5 1,064  1,101 0.4 0.5 0.7 0.7 --  --
SMOKELESS TOBACCO 928  999 0.4 0.4 0.5 0.5 9.0  10.2
CIGARS 2,736a 3,058 1.2 1.3 1.8 2.0 10.8  11.8
ALCOHOL 4,082a 4,396 1.7 1.8 9.2 9.4 2.6  2.8

50616

Table 4.28B Past Year Initiation of Substance Use among Persons Aged 12 to 17, Persons Aged 12 to 17 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 to 17: Numbers in Thousands and Percentages, 2003 and 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
ILLICIT DRUG3 1,562  1,487 6.2  5.9 8.3  7.8 28.6  28.1
     Marijuana and Hashish 1,219  1,252 4.9  5.0 5.7  5.8 32.5  34.2
     Cocaine 282  274 1.1  1.1 1.1  1.1 64.3  66.7
          Crack 76a 42 0.3a 0.2 0.3a 0.2 *
     Heroin 25  31 0.1  0.1 0.1  0.1 *
     Hallucinogens 417  437 1.7  1.7 1.7  1.8 53.5  58.0
          LSD 96  99 0.4  0.4 0.4  0.4 64.1  62.8
          PCP 59  43 0.2  0.2 0.2  0.2 *
          Ecstasy 219  225 0.9  0.9 0.9  0.9 66.4  72.7
     Inhalants 600  603 2.4  2.4 2.6  2.6 53.5  51.6
     Nonmedical Use of
        Psychotherapeutics4
913  980 3.7  3.9 4.0  4.3 39.9a 44.1
          Pain Relievers 890  908 3.6  3.6 3.9  3.9 46.3  48.7
               OxyContin® --  141 --  0.6 --  0.6 --  72.8
          Tranquilizers 319  310 1.3  1.2 1.3  1.3 54.5  58.3
          Stimulants 292  271 1.2  1.1 1.2  1.1 51.4  54.7
               Methamphetamine 107  99 0.4  0.4 0.4  0.4 61.8  60.6
          Sedatives 66  66 0.3  0.3 0.3  0.3 50.3  49.6
ILLICIT DRUG OTHER THAN MARIJUANA3 1,205  1,171 4.8  4.6 5.8  5.6 36.0  35.8
CIGARETTES 1,226  1,294 4.9  5.1 6.6  6.8 25.9  27.9
     Daily Cigarette Use5 439  417 1.8  1.7 1.9  1.7 --  --
SMOKELESS TOBACCO 487  447 1.9  1.8 2.1  1.9 47.0a 41.2
CIGARS 1,163  1,246 4.7  4.9 5.2  5.5 46.8  48.5
ALCOHOL 2,593  2,743 10.4  10.9 15.4  15.8 30.2  32.1

50616

Table 4.29B Past Year Initiation of Substance Use among Persons Aged 18 to 25, Persons Aged 18 to 25 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 18 to 25: Numbers in Thousands and Percentages, 2003 and 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
ILLICIT DRUG3 742  818 2.3  2.5 5.6  5.9 6.8  7.5
     Marijuana and Hashish 666  714 2.1  2.2 4.4  4.5 7.4  8.0
     Cocaine 576  592 1.8  1.8 2.1  2.1 27.5  27.7
          Crack 109  120 0.3  0.4 0.4  0.4 39.8  45.8
     Heroin 42  46 0.1  0.1 0.1  0.1 *
     Hallucinogens 425  412 1.3  1.3 1.7  1.6 20.1  21.2
          LSD 98  112 0.3  0.3 0.4  0.4 28.9  35.3
          PCP 41  49 0.1  0.2 0.1  0.2 *
          Ecstasy 337  303 1.1  0.9 1.2  1.1 28.9  30.4
     Inhalants 247  225 0.8  0.7 0.9  0.8 37.4  33.4
     Nonmedical Use of
        Psychotherapeutics4
962  945 3.0  2.9 4.1  4.0 20.8  19.9
          Pain Relievers 930  830 2.9  2.6 3.7  3.3 24.3  21.6
               OxyContin® --  290 --  0.9 --  0.9 --  51.6
          Tranquilizers 457  422 1.4  1.3 1.6  1.5 27.2  25.5
          Stimulants 240b 344 0.8b 1.1 0.8b 1.2 21.5b 29.1
               Methamphetamine 92a 139 0.3a 0.4 0.3a 0.5 18.2a 27.0
          Sedatives 42  53 0.1  0.2 0.1  0.2 26.5  32.5
ILLICIT DRUG OTHER THAN MARIJUANA3 823  885 2.6  2.7 4.2  4.3 13.0  14.3
CIGARETTES 659  765 2.1  2.4 6.5  7.1 4.4  5.0
     Daily Cigarette Use5 474  566 1.5  1.8 2.3  2.6 --  --
SMOKELESS TOBACCO 353a 432 1.1  1.3 1.4  1.7 14.2  16.8
CIGARS 1,055  1,199 3.3  3.7 5.7  6.2 14.6  15.5
ALCOHOL 1,430  1,484 4.5  4.6 25.8  25.0 5.8  5.9

50616

Table 4.30B Past Year Initiation of Substance Use among Persons Aged 26 or Older, Persons Aged 26 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 26 or Older: Numbers in Thousands and Percentages, 2003 and 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2003 2004 2003 2004 2003 2004 2003 2004
ILLICIT DRUG3 324  479 0.2 0.3 0.3 0.5 1.7 2.6
     Marijuana and Hashish 88  176 0.0 0.1 0.1 0.2 0.6 1.4
     Cocaine 128  133 0.1 0.1 0.1 0.1 3.8 4.3
          Crack 83  53 0.0 0.0 0.0 0.0 8.1 5.4
     Heroin 25  40 0.0 0.0 0.0 0.0 * *
     Hallucinogens 44  85 0.0 0.0 0.0 0.1 4.2 7.2
          LSD 24 * 0.0 * 0.0 * *
          PCP 14 * 0.0 * 0.0 * *
          Ecstasy 86  78 0.0 0.0 0.0 0.0 * *
     Inhalants 24  29 0.0 0.0 0.0 0.0 * *
     Nonmedical Use of
        Psychotherapeutics4
708  911 0.4 0.5 0.5 0.6 8.7 11.9
          Pain Relievers 636  684 0.4 0.4 0.4 0.4 10.7 12.3
               OxyContin® --  183 -- 0.1 -- 0.1 -- *
          Tranquilizers 295a 448 0.2 0.2 0.2 0.3 10.6 15.6
          Stimulants 183  178 0.1 0.1 0.1 0.1 17.1 14.3
               Methamphetamine 61  80 0.0 0.0 0.0 0.0 * 10.5
          Sedatives 86  121 0.0 0.1 0.1 0.1 * *
ILLICIT DRUG OTHER THAN MARIJUANA3 496  608 0.3 0.3 0.4 0.5 4.6 6.0
CIGARETTES 98  63 0.1 0.0 0.2 0.1 0.2 0.1
     Daily Cigarette Use5 150  118 0.1 0.1 0.2 0.1 -- --
SMOKELESS TOBACCO 88  121 0.0 0.1 0.1 0.1 1.3 2.0
CIGARS 518  614 0.3 0.3 0.5 0.5 3.3 3.9
ALCOHOL 60  169 0.0 0.1 0.3 0.7 0.0 0.1

50608

Table 4.31A Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Numbers in Thousands, 2003 and 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2003 2004 2003 2004 2003 2004
ILLICIT DRUG2 2,627  2,784 1,137  1,173 1,490  1,611
     Marijuana and Hashish 1,973  2,142 929  918 1,044a 1,224
     Cocaine 986  998 548  590 438  408
          Crack 269  215 135  102 134  112
     Heroin 92  118 59  61 33  56
     Hallucinogens 886  934 480  506 406  427
          LSD 200  235 123  141 76  94
          PCP 105  106 59  55 46  51
          Ecstasy 642  607 328  336 314  271
     Inhalants 871  857 457  434 414  422
     Nonmedical Use of Psychotherapeutics3 2,583  2,836 995  1,189 1,588  1,648
          Pain Relievers 2,456  2,422 1,007  1,093 1,448  1,329
               OxyContin® --  615 --  339 --  276
          Tranquilizers 1,071  1,180 415  452 656  729
          Stimulants 715  793 272  341 442  452
               Methamphetamine 260  318 130  142 129  176
          Sedatives 194  240 66  79 128  160
ILLICIT DRUG OTHER THAN MARIJUANA2 2,523  2,664 1,083  1,224 1,441  1,439
CIGARETTES 1,983  2,122 919  973 1,063  1,150
     Daily Cigarette Use4 1,064  1,101 483a 594 581  507
SMOKELESS TOBACCO 928  999 708  727 220  272
CIGARS 2,736a 3,058 1,482  1,589 1,254a 1,469
ALCOHOL 4,082a 4,396 1,827  1,985 2,255  2,411

50616

Table 4.32A Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: Numbers in Thousands, 2003 and 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2003 2004 2003 2004 2003 2004
ILLICIT DRUG2 1,699 1,617 781 763 919 854
     Marijuana and Hashish 1,330 1,367 603 642 728 725
     Cocaine 341 341 162 179 179 162
          Crack 86 67 36 31 49 35
     Heroin 28 35 14 20 15 16
     Hallucinogens 467 483 209 239 258 244
          LSD 114 119 57 69 57 50
          PCP 63 48 32 22 31 27
          Ecstasy 244 257 101 111 143 146
     Inhalants 665 643 321 323 344 319
     Nonmedical Use of Psychotherapeutics3 1,036 1,097 469 476 567 622
          Pain Relievers 1,020 1,018 474 446 546 572
               OxyContin® -- 165 -- 83 -- 82
          Tranquilizers 366 348 153 137 213 212
          Stimulants 308 301 127 120 182 182
               Methamphetamine 111 112 49 42 62 70
          Sedatives 73 74 35 30 38 44
ILLICIT DRUG OTHER THAN MARIJUANA2 1,325 1,293 629 608 696 685
CIGARETTES 1,352 1,438 628 645 724 793
     Daily Cigarette Use4 526 545 249 257 278 287
SMOKELESS TOBACCO 544 495 440 378 104 117
CIGARS 1,297 1,409 752 782 545 627
ALCOHOL 2,819 3,002 1,282 1,411 1,537 1,590

50616

Table 4.33A Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: Numbers in Thousands, 2003 and 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2003 2004 2003 2004 2003 2004
ILLICIT DRUG2 2,126  2,128 970 955 1,156  1,173
     Marijuana and Hashish 1,744  1,858 808 845 936  1,012
     Cocaine 662  681 363 396 299  285
          Crack 146  122 76 66 69  55
     Heroin 49  56 30 33 19  23
     Hallucinogens 756  731 392 398 364  334
          LSD 174  185 102 109 72  75
          PCP 92  75 51 44 41  31
          Ecstasy 461  428 213 219 248  209
     Inhalants 791  779 412 401 379  378
     Nonmedical Use of Psychotherapeutics3 1,544  1,621 701 703 843  917
          Pain Relievers 1,495  1,457 706 661 789  797
               OxyContin® --  306 -- 163 --  143
          Tranquilizers 582  545 253 229 329  316
          Stimulants 453  526 203 206 250a 320
               Methamphetamine 166  175 90 71 76  104
          Sedatives 91  97 43 42 48  55
ILLICIT DRUG OTHER THAN MARIJUANA2 1,766  1,778 842 849 924  929
CIGARETTES 1,758  1,928 824 897 934  1,030
     Daily Cigarette Use4 808  887 398 471 410  417
SMOKELESS TOBACCO 750  767 593 585 157  182
CIGARS 1,964a 2,179 1,157 1,234 807a 945
ALCOHOL 3,644  3,818 1,660 1,790 1,984  2,028

50718

Table 4.34B Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2003 and 2004
Substance MEAN AGE
Total Male Female
2003 2004 2003 2004 2003 2004
ILLICIT DRUG1 19.7  20.1 17.7  18.5 21.2  21.2
     Marijuana and Hashish 17.5  18.0 17.8  16.7 17.2  19.0
     Cocaine 19.8  20.0 20.0  20.0 19.7  20.2
          Crack 22.9  21.9 23.8  20.5 21.9  23.1
     Heroin 20.9  24.4 21.5  22.7 19.8  26.4
     Hallucinogens 17.9  18.7 18.6  18.7 17.2  18.7
          LSD 17.2  18.4 17.9  18.2 16.2  18.6
          PCP 17.4  18.9 17.4  17.7 17.4  20.3
          Ecstasy 19.7  19.5 20.2  20.5 19.2  18.3
     Inhalants 16.0  16.0 16.5  15.7 15.5  16.3
     Nonmedical Use of Psychotherapeutics2 23.9  24.7 19.8  24.1 26.4  25.1
          Pain Relievers 24.0  23.3 20.0a 22.9 26.8  23.8
               OxyContin® --  24.5 --  25.2 --  23.6
          Tranquilizers 22.9a 25.2 21.1  23.1 24.0  26.5
          Stimulants 22.1  24.1 19.3  27.2 23.8  21.7
               Methamphetamine 20.4  22.1 19.9  20.8 20.8  23.1
          Sedatives 31.1  29.3 19.1  21.6 37.3  33.1
ILLICIT DRUG OTHER THAN MARIJUANA1 21.7  21.7 18.3a 20.5 24.2  22.7
CIGARETTES 16.9  16.7 16.6  16.6 17.1  16.8
     Daily Cigarette Use3 19.8  18.8 18.1  19.0 21.2a 18.6
SMOKELESS TOBACCO 18.3  19.7 17.9  19.1 19.4  21.3
CIGARS 21.2  21.3 19.5  20.1 23.1  22.7
ALCOHOL 16.5  17.5 16.3  16.6 16.6  18.3

50718

Table 4.35B Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: 2003 and 2004
Substance MEAN AGE
Total Male Female
2003 2004 2003 2004 2003 2004
ILLICIT DRUG1 14.8 14.7 14.7 14.8 14.8  14.7
     Marijuana and Hashish 15.1 15.0 15.0 15.0 15.1  15.0
     Cocaine 15.7 15.8 16.1 15.8 15.4a 15.9
          Crack 15.7 16.0 15.9 16.3 15.5  15.7
     Heroin 15.4 15.8 * 15.7 15.4  15.9
     Hallucinogens 15.4 15.3 15.7 15.4 15.1  15.1
          LSD 15.3 15.3 15.7 15.5 14.8  15.1
          PCP 15.3 15.0 15.6 14.7 15.0  15.2
          Ecstasy 15.5 15.6 15.6 15.9 15.5  15.3
     Inhalants 14.4 14.3 14.4 14.3 14.4  14.2
     Nonmedical Use of Psychotherapeutics2 15.2 15.1 15.3 15.4 15.0  14.9
          Pain Relievers 15.2 15.1 15.3 15.4 15.0  14.9
               OxyContin® -- 15.7 -- 16.0 --  15.4
          Tranquilizers 15.6 15.5 15.8 15.5 15.5  15.4
          Stimulants 15.1 15.1 15.2 15.2 15.1  15.0
               Methamphetamine 15.3 15.2 15.4 15.4 15.2  15.0
          Sedatives 14.8 14.3 15.1 14.5 14.4  14.1
ILLICIT DRUG OTHER THAN MARIJUANA1 14.8 14.8 14.9 14.9 14.8  14.7
CIGARETTES 14.9 14.9 15.0 15.1 14.7  14.7
     Daily Cigarette Use3 15.4 15.5 15.4 15.7 15.4  15.3
SMOKELESS TOBACCO 15.2 15.2 15.1 15.2 15.4  15.1
CIGARS 15.3 15.2 15.3 15.2 15.3  15.4
ALCOHOL 14.7 14.7 14.9 14.8 14.6  14.7

50718

Table 4.36B Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: 2003 and 2004
Substance MEAN AGE
Total Male Female
2003 2004 2003 2004 2003 2004
ILLICIT DRUG1 15.6  15.7 15.5  15.5 15.6  15.8
     Marijuana and Hashish 15.9  16.0 15.9  15.9 15.9  16.1
     Cocaine 17.2  17.3 17.6  17.5 16.8  17.1
          Crack 17.0  17.2 17.5  17.6 16.4  16.8
     Heroin 16.8  17.1 17.2  17.1 16.2  17.1
     Hallucinogens 16.6  16.4 17.1  16.7 16.2  16.1
          LSD 16.4  16.5 16.9  16.6 15.7  16.3
          PCP 16.4  16.3 16.8  16.8 16.0  15.7
          Ecstasy 17.0  16.8 17.3  17.3 16.8a 16.3
     Inhalants 15.1  15.1 15.4  15.1 14.8  15.0
     Nonmedical Use of Psychotherapeutics2 16.4  16.3 16.5  16.4 16.3  16.2
          Pain Relievers 16.3  16.2 16.5  16.5 16.2  16.0
               OxyContin® --  17.3 --  17.4 --  17.0
          Tranquilizers 16.9  16.7 17.1  16.8 16.7  16.6
          Stimulants 16.3  16.7 16.6  16.8 16.1  16.7
               Methamphetamine 16.5  16.4 17.0  16.8 15.8  16.2
          Sedatives 15.6  15.4 15.9  15.8 15.3  15.1
ILLICIT DRUG OTHER THAN MARIJUANA1 15.8  15.9 15.9  15.9 15.8  15.8
CIGARETTES 15.7  15.8 15.8  16.0 15.6  15.6
     Daily Cigarette Use3 16.5  16.8 16.6a 17.0 16.5  16.5
SMOKELESS TOBACCO 16.2a 16.5 16.1a 16.5 16.6  16.5
CIGARS 16.4  16.4 16.4  16.4 16.4  16.5
ALCOHOL 15.6  15.6 15.7  15.6 15.5  15.6

50629

Table 4.37B Past Year Initiation of Illicit Drug Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Illicit Drug Use, and Past Year Illicit Drug Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2002 and 2003
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
TOTAL 2,656 2,627 1.1 1.1 2.1 2.0 7.5 7.5
AGE                
     12-17 1,596 1,562 6.4 6.2 8.5 8.3 29.0 28.6
          12-13 304 309 3.7 3.7 4.1 4.1 40.0 40.1
          14-15 662 587 7.8 7.1 10.2 9.3 34.7 32.3
          16-17 630 665 7.9 8.0 13.0 13.0 22.2 23.1
     18-25 793 742 2.6 2.3 6.0 5.6 7.2 6.8
          18-20 547 529 4.4 4.2 9.3 9.1 11.1 10.7
          21-25 246 213 1.3 1.1 3.3 2.9 4.0 3.5
     26 or Older 268 324 0.1 0.2 0.3 0.3 1.4 1.7
GENDER                
     Male 1,242 1,137 1.1 1.0 2.2 2.0 6.2 5.7
     Female 1,415 1,490 1.2 1.2 2.0 2.0 9.3 9.8
GENDER/AGE                
     Male 12-17 771 726 6.1 5.7 8.2 7.6 27.1 26.1
     Female 12-17 825 836 6.8 6.8 8.8 8.9 31.0 31.2

50629

Table 4.38B Past Year Initiation of Marijuana Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Marijuana Use, and Past Year Marijuana Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2002 and 2003
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
TOTAL 2,196a 1,973 0.9a 0.8 1.5a 1.4 8.5  7.8
AGE                
     12-17 1,373a 1,219 5.5a 4.9 6.5a 5.7 35.1  32.5
          12-13 153  113 1.8a 1.3 1.9a 1.4 60.5  57.4
          14-15 583a 480 6.9a 5.8 7.9a 6.6 43.6  39.4
          16-17 637  626 8.0  7.6 11.5  10.7 27.4  26.8
     18-25 733  666 2.4  2.1 4.9  4.4 7.9  7.4
          18-20 514  495 4.1  3.9 7.7  7.4 12.4  12.0
          21-25 220  172 1.2  0.9 2.6  2.0 4.3  3.5
     26 or Older 90  88 0.1  0.0 0.1  0.1 0.7  0.6
GENDER                
     Male 1,064  929 0.9a 0.8 1.7  1.5 6.9  6.1
     Female 1,132  1,044 0.9  0.9 1.4  1.3 11.0  10.3
GENDER/AGE                
     Male 12-17 671a 562 5.3a 4.4 6.3a 5.2 32.5a 28.7
     Female 12-17 702  657 5.8  5.4 6.7  6.2 38.0  36.6

50629

Table 4.39B Past Year Initiation of Cigarette Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Cigarette Use, and Past Year Cigarette Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2002 and 2003
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
TOTAL 1,940 1,983 0.8 0.8 2.6 2.6 2.7  2.8
AGE                
     12-17 1,187 1,226 4.8 4.9 6.7 6.6 23.4a 25.9
          12-13 242 202 2.9 2.4 3.3 2.6 40.2  42.7
          14-15 489 485 5.8 5.9 8.0 7.9 29.1  31.4
          16-17 456 539 5.7 6.5 10.7 11.6 16.4a 19.8
     18-25 641 659 2.1 2.1 6.7 6.5 4.2  4.4
          18-20 487 517 3.9 4.1 10.8 10.8 8.2  8.9
          21-25 155 142 0.8 0.7 3.1 2.7 1.7  1.5
     26 or Older 111 98 0.1 0.1 0.2 0.2 0.2  0.2
GENDER                
     Male 919 919 0.8 0.8 3.0 2.9 2.4  2.5
     Female 1,021 1,063 0.8 0.9 2.3 2.4 3.0  3.3
GENDER/AGE                
     Male 12-17 546 548 4.3 4.3 6.1 5.8 21.8  23.3
     Female 12-17 641 679 5.3 5.6 7.4 7.5 25.1  28.4

50629

Table 4.40B Past Year Initiation of Alcohol Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Alcohol Use, and Past Year Alcohol Users Aged 12 or Older, by Demographic Characteristics: Numbers in Thousands and Percentages, 2002 and 2003
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
TOTAL 3,942  4,082 1.7  1.7 9.0  9.2 2.5  2.6
AGE                
     12-17 2,588  2,593 10.5  10.4 15.6  15.4 30.2  30.2
          12-13 462  451 5.6  5.3 6.4  6.1 46.0  43.9
          14-15 1,082  1,125 12.8  13.6 18.9  19.6 36.5  39.0
          16-17 1,045  1,017 13.1  12.3 28.9  27.0 22.7  21.8
     18-25 1,230a 1,430 4.0a 4.5 22.9a 25.8 5.1a 5.8
          18-20 834  961 6.7  7.7 26.8  29.5 9.3  10.7
          21-25 396  468 2.1  2.4 17.6  20.6 2.6  3.0
     26 or Older 124  60 0.1  0.0 0.6  0.3 0.1  0.0
GENDER                
     Male 1,756  1,827 1.5  1.6 10.2  10.4 2.2  2.3
     Female 2,186  2,255 1.8  1.8 8.3  8.4 2.9  3.0
GENDER/AGE                
     Male 12-17 1,160  1,156 9.2  9.1 13.9  13.5 27.5  28.1
     Female 12-17 1,429  1,436 11.8  11.7 17.3  17.3 32.8  32.2

50629

Table 4.41B Past Year Initiation of Substance Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 or Older: Numbers in Thousands and Percentages, 2002 and 2003
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
ILLICIT DRUG3 2,656  2,627 1.1  1.1 2.1  2.0 7.5  7.5
     Marijuana and Hashish 2,196a 1,973 0.9a 0.8 1.5a 1.4 8.5  7.8
     Cocaine 1,032  986 0.4  0.4 0.5  0.5 17.3  16.7
          Crack 337  269 0.1  0.1 0.1  0.1 21.7  19.1
     Heroin 117  92 0.0  0.0 0.1  0.0 28.7  *
     Hallucinogens 1,152b 886 0.5b 0.4 0.6b 0.4 24.1  22.5
          LSD 338b 200 0.1b 0.1 0.2b 0.1 33.6  35.6
          PCP 123  105 0.1  0.0 0.1  0.0 49.9  48.1
          Ecstasy 1,206b 642 0.5b 0.3 0.5b 0.3 37.9b 29.9
     Inhalants 849  871 0.4  0.4 0.4  0.4 40.7  41.9
     Nonmedical Use of
        Psychotherapeutics4
2,552  2,583 1.1  1.1 1.3  1.3 17.4  17.2
          Pain Relievers 2,320  2,456 1.0  1.0 1.1  1.2 21.1  21.0
               OxyContin® --  -- --  -- --  -- --  --
          Tranquilizers 1,184  1,071 0.5  0.5 0.5  0.5 24.4  21.2
          Stimulants 783  715 0.3  0.3 0.4  0.3 24.6  26.0
               Methamphetamine 299  260 0.1  0.1 0.1  0.1 19.4  19.7
          Sedatives 209  194 0.1  0.1 0.1  0.1 21.3  23.3
ILLICIT DRUG OTHER THAN MARIJUANA3 2,569  2,523 1.1  1.1 1.5  1.5 12.5  12.4
CIGARETTES 1,940  1,983 0.8  0.8 2.6  2.6 2.7  2.8
     Daily Cigarette Use5 1,016  1,064 0.4  0.4 0.7  0.7 --  --
SMOKELESS TOBACCO 951  928 0.4  0.4 0.5  0.5 9.0  9.0
CIGARS 2,858  2,736 1.2  1.2 1.9  1.8 11.0  10.8
ALCOHOL 3,942  4,082 1.7  1.7 9.0  9.2 2.5  2.6

50629

Table 4.42B Past Year Initiation of Substance Use among Persons Aged 12 to 17, Persons Aged 12 to 17 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 to 17: Numbers in Thousands and Percentages, 2002 and 2003
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
ILLICIT DRUG3 1,596  1,562 6.4  6.2 8.5  8.3 29.0  28.6
     Marijuana and Hashish 1,373a 1,219 5.5a 4.9 6.5a 5.7 35.1  32.5
     Cocaine 310  282 1.3  1.1 1.3  1.1 60.8  64.3
          Crack 86  76 0.3  0.3 0.4  0.3 *
     Heroin 39  25 0.2  0.1 0.2  0.1 *
     Hallucinogens 474  417 1.9  1.7 2.0  1.7 49.9  53.5
          LSD 180b 96 0.7b 0.4 0.7b 0.4 56.5  64.1
          PCP 77  59 0.3  0.2 0.3  0.2 70.1  *
          Ecstasy 350b 219 1.4b 0.9 1.4b 0.9 64.0  66.4
     Inhalants 591  600 2.4  2.4 2.6  2.6 54.8  53.5
     Nonmedical Use of
        Psychotherapeutics4
985  913 4.0  3.7 4.4  4.0 43.0  39.9
          Pain Relievers 908  890 3.7  3.6 4.0  3.9 48.4  46.3
               OxyContin® --  -- --  -- --  -- --  --
          Tranquilizers 314  319 1.3  1.3 1.3  1.3 55.4  54.5
          Stimulants 341  292 1.4  1.2 1.4  1.2 52.5  51.4
               Methamphetamine 131  107 0.5  0.4 0.5  0.4 58.1  61.8
          Sedatives 63  66 0.3  0.3 0.3  0.3 45.4  50.3
ILLICIT DRUG OTHER THAN MARIJUANA3 1,211  1,205 4.9  4.8 5.9  5.8 36.1  36.0
CIGARETTES 1,187  1,226 4.8  4.9 6.7  6.6 23.4a 25.9
     Daily Cigarette Use5 403  439 1.6  1.8 1.7  1.9 --  --
SMOKELESS TOBACCO 459  487 1.9  1.9 2.0  2.1 43.2  47.0
CIGARS 1,113  1,163 4.5  4.7 5.1  5.2 44.3  46.8
ALCOHOL 2,588  2,593 10.5  10.4 15.6  15.4 30.2  30.2

50629

Table 4.43B Past Year Initiation of Substance Use among Persons Aged 18 to 25, Persons Aged 18 to 25 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 18 to 25: Numbers in Thousands and Percentages, 2002 and 2003
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
ILLICIT DRUG3 793  742 2.6  2.3 6.0  5.6 7.2  6.8
     Marijuana and Hashish 733  666 2.4  2.1 4.9  4.4 7.9  7.4
     Cocaine 594  576 1.9  1.8 2.2  2.1 28.5  27.5
          Crack 100  109 0.3  0.3 0.3  0.4 37.7  39.8
     Heroin 66  42 0.2  0.1 0.2  0.1 *
     Hallucinogens 584b 425 1.9b 1.3 2.4b 1.7 22.2  20.1
          LSD 142  98 0.5a 0.3 0.5a 0.4 25.7  28.9
          PCP 46  41 0.1  0.1 0.2  0.1 *
          Ecstasy 613b 337 2.0b 1.1 2.3b 1.2 34.0  28.9
     Inhalants 247  247 0.8  0.8 0.9  0.9 36.0  37.4
     Nonmedical Use of
        Psychotherapeutics4
937  962 3.0  3.0 4.0  4.1 21.2  20.8
          Pain Relievers 885  930 2.9  2.9 3.5  3.7 25.0  24.3
               OxyContin® --  -- --  -- --  -- --  --
          Tranquilizers 414  457 1.3  1.4 1.5  1.6 27.4  27.2
          Stimulants 337b 240 1.1b 0.8 1.2b 0.8 29.4b 21.5
               Methamphetamine 132  92 0.4  0.3 0.4  0.3 25.2  18.2
          Sedatives 53  42 0.2  0.1 0.2  0.1 33.0  26.5
ILLICIT DRUG OTHER THAN MARIJUANA3 899  823 2.9  2.6 4.6  4.2 14.2  13.0
CIGARETTES 641  659 2.1  2.1 6.7  6.5 4.2  4.4
     Daily Cigarette Use5 447  474 1.4  1.5 2.2  2.3 --  --
SMOKELESS TOBACCO 396  353 1.3  1.1 1.6  1.4 15.9  14.2
CIGARS 1,031  1,055 3.3  3.3 5.8  5.7 14.7  14.6
ALCOHOL 1,230a 1,430 4.0a 4.5 22.9a 25.8 5.1a 5.8

50629

Table 4.44B Past Year Initiation of Substance Use among Persons Aged 26 or Older, Persons Aged 26 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 26 or Older: Numbers in Thousands and Percentages, 2002 and 2003
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2002 2003 2002 2003 2002 2003 2002 2003
ILLICIT DRUG3 268  324 0.1  0.2 0.3  0.3 1.4  1.7
     Marijuana and Hashish 90  88 0.1  0.0 0.1  0.1 0.7  0.6
     Cocaine 127  128 0.1  0.1 0.1  0.1 3.6  3.8
          Crack 151  83 0.1  0.0 0.1  0.0 12.7  8.1
     Heroin 12  25 0.0  0.0 0.0  0.0 *
     Hallucinogens 93  44 0.1  0.0 0.1  0.0 7.8  4.2
          LSD 16  * 0.0  * 0.0  * *
          PCP * * * *
          Ecstasy 243b 86 0.1b 0.0 0.1b 0.0 29.1  *
     Inhalants 11  24 0.0  0.0 0.0  0.0 *
     Nonmedical Use of
        Psychotherapeutics4
630  708 0.4  0.4 0.4  0.5 7.9  8.7
          Pain Relievers 527  636 0.3  0.4 0.3  0.4 9.4  10.7
               OxyContin® --  -- --  -- --  -- --  --
          Tranquilizers 456  295 0.3  0.2 0.3  0.2 16.5a 10.6
          Stimulants 106  183 0.1  0.1 0.1  0.1 7.6a 17.1
               Methamphetamine 36  61 0.0  0.0 0.0  0.0 4.5  *
          Sedatives 93  86 0.1  0.0 0.1  0.1 *
ILLICIT DRUG OTHER THAN MARIJUANA3 459  496 0.3  0.3 0.4  0.4 4.2  4.6
CIGARETTES 111  98 0.1  0.1 0.2  0.2 0.2  0.2
     Daily Cigarette Use5 166  150 0.1  0.1 0.2  0.2 --  --
SMOKELESS TOBACCO 95  88 0.1  0.0 0.1  0.1 1.4  1.3
CIGARS 714  518 0.4  0.3 0.6  0.5 4.4  3.3
ALCOHOL 124  60 0.1  0.0 0.6  0.3 0.1  0.0

50629

Table 4.45A Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Numbers in Thousands, 2002 and 2003
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2002 2003 2002 2003 2002 2003
ILLICIT DRUG2 2,656  2,627 1,242  1,137 1,415  1,490
     Marijuana and Hashish 2,196a 1,973 1,064  929 1,132  1,044
     Cocaine 1,032  986 552  548 479  438
          Crack 337  269 190  135 148  134
     Heroin 117  92 77  59 40  33
     Hallucinogens 1,152b 886 569  480 583b 406
          LSD 338b 200 173a 123 165b 76
          PCP 123  105 51  59 72  46
          Ecstasy 1,206b 642 611b 328 595b 314
     Inhalants 849  871 475  457 374  414
     Nonmedical Use of Psychotherapeutics3 2,552  2,583 1,150  995 1,402  1,588
          Pain Relievers 2,320  2,456 1,090  1,007 1,230  1,448
               OxyContin® --  -- --  -- --  --
          Tranquilizers 1,184  1,071 464  415 720  656
          Stimulants 783  715 371  272 413  442
               Methamphetamine 299  260 141  130 158  129
          Sedatives 209  194 57  66 152  128
ILLICIT DRUG OTHER THAN MARIJUANA2 2,569  2,523 1,154  1,083 1,415  1,441
CIGARETTES 1,940  1,983 919  919 1,021  1,063
     Daily Cigarette Use4 1,016  1,064 530  483 486  581
SMOKELESS TOBACCO 951  928 702  708 249  220
CIGARS 2,858  2,736 1,537  1,482 1,322  1,254
ALCOHOL 3,942  4,082 1,756  1,827 2,186  2,255

50629

Table 4.46A Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: Numbers in Thousands, 2002 and 2003
Substance NUMBERS OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2002 2003 2002 2003 2002 2003
ILLICIT DRUG2 1,720  1,699 838  781 883  919
     Marijuana and Hashish 1,488a 1,330 732a 603 757  728
     Cocaine 369  341 180  162 188  179
          Crack 94  86 36  36 58  49
     Heroin 42  28 18  14 24  15
     Hallucinogens 587b 467 277a 209 309  258
          LSD 216b 114 111b 57 105b 57
          PCP 93  63 42  32 51  31
          Ecstasy 450b 244 198b 101 252b 143
     Inhalants 626  665 330  321 296  344
     Nonmedical Use of Psychotherapeutics3 1,100  1,036 519  469 581  567
          Pain Relievers 1,007  1,020 484  474 523  546
               OxyContin® --  -- --  -- --  --
          Tranquilizers 352  366 147  153 204  213
          Stimulants 394a 308 182a 127 212  182
               Methamphetamine 149  111 58  49 91  62
          Sedatives 66  73 19  35 47  38
ILLICIT DRUG OTHER THAN MARIJUANA2 1,354  1,325 651  629 703  696
CIGARETTES 1,316  1,352 618  628 698  724
     Daily Cigarette Use4 483  526 257  249 226  278
SMOKELESS TOBACCO 504  544 382  440 122  104
CIGARS 1,263  1,297 753  752 509  545
ALCOHOL 2,807  2,819 1,269  1,282 1,539  1,537

50629

Table 4.47A Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: Numbers in Thousands, 2002 and 2003
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2002 2003 2002 2003 2002 2003
ILLICIT DRUG2 2,197  2,126 1,060  970 1,137  1,156
     Marijuana and Hashish 1,943a 1,744 952a 808 991  936
     Cocaine 694  662 364  363 330  299
          Crack 139  146 61  76 78  69
     Heroin 88a 49 53  30 35  19
     Hallucinogens 918b 756 441  392 477b 364
          LSD 300b 174 156a 102 144b 72
          PCP 118  92 51  51 67a 41
          Ecstasy 767b 461 351b 213 416b 248
     Inhalants 771  791 428  412 343  379
     Nonmedical Use of Psychotherapeutics3 1,608  1,544 778  701 830  843
          Pain Relievers 1,484  1,495 715  706 768  789
               OxyContin® --  -- --  -- --  --
          Tranquilizers 557  582 264  253 294  329
          Stimulants 580b 453 285a 203 295  250
               Methamphetamine 209  166 91  90 118a 76
          Sedatives 86  91 31  43 55  48
ILLICIT DRUG OTHER THAN MARIJUANA2 1,812  1,766 869  842 943  924
CIGARETTES 1,694  1,758 819  824 875  934
     Daily Cigarette Use4 764  808 415  398 349  410
SMOKELESS TOBACCO 761  750 578  593 183  157
CIGARS 1,906  1,964 1,144  1,157 762  807
ALCOHOL 3,467  3,644 1,605  1,660 1,862  1,984

50718

Table 4.48B Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2002 and 2003
Substance MEAN AGE
Total Male Female
2002 2003 2002 2003 2002 2003
ILLICIT DRUG1 18.1  19.7 17.2  17.7 19.0  21.2
     Marijuana and Hashish 17.0  17.5 16.8  17.8 17.1  17.2
     Cocaine 19.8  19.8 19.8  20.0 19.7  19.7
          Crack 27.1  22.9 27.8  23.8 26.2  21.9
     Heroin 21.0  20.9 22.9  21.5 17.3  19.8
     Hallucinogens 18.7  17.9 19.1  18.6 18.4  17.2
          LSD 17.4  17.2 17.0  17.9 17.8  16.2
          PCP 16.0a 17.4 15.9b 17.4 16.1  17.4
          Ecstasy 21.6a 19.7 22.6  20.2 20.7  19.2
     Inhalants 15.9  16.0 16.2  16.5 15.4  15.5
     Nonmedical Use of Psychotherapeutics2 21.5a 23.9 20.5  19.8 22.3a 26.4
          Pain Relievers 21.0a 24.0 20.6  20.0 21.5a 26.8
               OxyContin® --  -- --  -- --  --
          Tranquilizers 25.2  22.9 23.0  21.1 26.5  24.0
          Stimulants 19.2a 22.1 18.8  19.3 19.7a 23.8
               Methamphetamine 18.9  20.4 19.0  19.9 18.8  20.8
          Sedatives 28.4  31.1 22.0  19.1 30.8  37.3
ILLICIT DRUG OTHER THAN MARIJUANA1 20.0  21.7 18.6  18.3 21.1  24.2
CIGARETTES 16.9  16.9 16.9  16.6 17.0  17.1
     Daily Cigarette Use3 19.9  19.8 20.0  18.1 19.8  21.2
SMOKELESS TOBACCO 19.1  18.3 18.6  17.9 20.3  19.4
CIGARS 22.1  21.2 20.8  19.5 23.6  23.1
ALCOHOL 16.7  16.5 16.3  16.3 17.1  16.6

50718

Table 4.49B Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: 2002 and 2003
Substance MEAN AGE
Total Male Female
2002 2003 2002 2003 2002 2003
ILLICIT DRUG1 14.7  14.8 14.8  14.7 14.6  14.8
     Marijuana and Hashish 15.0  15.1 15.0  15.0 15.0a 15.1
     Cocaine 15.8  15.7 15.9  16.1 15.6  15.4
          Crack 15.4  15.7 15.7  15.9 15.2  15.5
     Heroin 15.6  15.4 15.7  * 15.5  15.4
     Hallucinogens 15.5  15.4 15.5  15.7 15.4  15.1
          LSD 15.6  15.3 15.5  15.7 15.6a 14.8
          PCP 15.1  15.3 15.4  15.6 14.9  15.0
          Ecstasy 15.8a 15.5 15.8  15.6 15.8  15.5
     Inhalants 14.3  14.4 14.5  14.4 14.1a 14.4
     Nonmedical Use of Psychotherapeutics2 15.1  15.2 15.3  15.3 14.9  15.0
          Pain Relievers 15.1  15.2 15.4  15.3 14.9  15.0
               OxyContin® --  -- --  -- --  --
          Tranquilizers 15.5  15.6 15.6  15.8 15.4  15.5
          Stimulants 15.2  15.1 15.3  15.2 15.1  15.1
               Methamphetamine 15.2  15.3 15.1  15.4 15.2  15.2
          Sedatives 14.9  14.8 15.1  15.1 14.8  14.4
ILLICIT DRUG OTHER THAN MARIJUANA1 14.8  14.8 15.0  14.9 14.7  14.8
CIGARETTES 14.7a 14.9 14.7a 15.0 14.6  14.7
     Daily Cigarette Use3 15.4  15.4 15.7a 15.4 15.1  15.4
SMOKELESS TOBACCO 15.1  15.2 15.1  15.1 14.9a 15.4
CIGARS 15.2  15.3 15.2  15.3 15.2  15.3
ALCOHOL 14.7  14.7 14.7  14.9 14.8  14.6

50718

Table 4.50B Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: 2002 and 2003
Substance MEAN AGE
Total Male Female
2002 2003 2002 2003 2002 2003
ILLICIT DRUG1 15.6 15.6 15.6 15.5 15.5 15.6
     Marijuana and Hashish 15.9 15.9 15.9 15.9 15.8 15.9
     Cocaine 17.3 17.2 17.5 17.6 17.1 16.8
          Crack 16.6 17.0 17.1 17.5 16.1 16.4
     Heroin 17.3 16.8 17.7 17.2 16.6 16.2
     Hallucinogens 16.7 16.6 16.7 17.1 16.6a 16.2
          LSD 16.4 16.4 16.4 16.9 16.4 15.7
          PCP 15.8 16.4 15.9 16.8 15.7 16.0
          Ecstasy 17.1 17.0 17.1 17.3 17.0 16.8
     Inhalants 15.2 15.1 15.5 15.4 14.7 14.8
     Nonmedical Use of Psychotherapeutics2 16.3 16.4 16.5 16.5 16.1 16.3
          Pain Relievers 16.3 16.3 16.5 16.5 16.2 16.2
               OxyContin® -- -- -- -- -- --
          Tranquilizers 16.7 16.9 17.0 17.1 16.5 16.7
          Stimulants 16.4 16.3 16.6 16.6 16.2 16.1
               Methamphetamine 16.2 16.5 16.5 17.0 16.0 15.8
          Sedatives 15.8 15.6 16.6 15.9 15.4 15.3
ILLICIT DRUG OTHER THAN MARIJUANA1 15.8 15.8 15.9 15.9 15.7 15.8
CIGARETTES 15.5 15.7 15.7 15.8 15.4 15.6
     Daily Cigarette Use3 16.6 16.5 16.8 16.6 16.3 16.5
SMOKELESS TOBACCO 16.3 16.2 16.3 16.1 16.1 16.6
CIGARS 16.4 16.4 16.4 16.4 16.3 16.4
ALCOHOL 15.5 15.6 15.6 15.7 15.4 15.5

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