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80428
Table 4.1D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. These estimates do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL 102 94 0.04 0.04 0.08 0.07 0.29 0.26
AGE                
12-25 72 69 0.12 0.12 0.21 0.20 0.42 0.42
12-17 52 50 0.20 0.20 0.26 0.25 0.85 0.93
12-13 22 22 0.27 0.26 0.30 0.29 2.53 2.60
14-15 32 33 0.35 0.37 0.45 0.45 1.52 1.71
16-17 34 35 0.38 0.38 0.55 0.55 1.14 1.16
18-25 53 47 0.16 0.14 0.36 0.32 0.46 0.41
18-20 46 41 0.32 0.29 0.62 0.55 0.82 0.77
21-25 28 22 0.14 0.11 0.34 0.28 0.43 0.35
26 or Older 68 61 0.04 0.03 0.07 0.06 0.35 0.30
GENDER                
Male 70 60 0.06 0.05 0.12 0.10 0.34 0.29
Female 73 73 0.06 0.06 0.10 0.10 0.47 0.48
GENDER/AGE                
Male 12-17 36 37 0.27 0.29 0.36 0.36 1.20 1.29
Female 12-17 38 36 0.31 0.29 0.39 0.35 1.29 1.38
80428
Table 4.1P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. These estimates do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL N/A   0.3146   0.4687   0.4176  
AGE                
12-25 N/A   0.8074   0.4170   0.4877  
12-17 N/A   0.8605   0.8482   0.1971  
12-13 N/A   0.6041   0.5496   0.8606  
14-15 N/A   0.9172   0.6354   0.3616  
16-17 N/A   0.4314   0.5715   0.2315  
18-25 N/A   0.6165   0.3445   0.9641  
18-20 N/A   0.6863   0.8526   0.3407  
21-25 N/A   0.0389   0.0317   0.0616  
26 or Older N/A   0.3076   0.3592   0.2741  
GENDER                
Male N/A   0.3266   0.3990   0.3367  
Female N/A   0.6347   0.8176   0.8726  
GENDER/AGE                
Male 12-17 N/A   0.2274   0.3484   0.1359  
Female 12-17 N/A   0.3254   0.2221   0.7045  
80428
Table 4.2D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL 79 77 0.03 0.03 0.05 0.05 0.31 0.31
AGE                
12-25 67 64 0.12 0.11 0.17 0.16 0.50 0.49
12-17 47 45 0.19 0.18 0.21 0.20 1.14 1.11
12-13 12 13 0.15 0.15 0.15 0.16 5.40 5.12
14-15 30 27 0.33 0.31 0.37 0.35 1.98 2.20
16-17 34 34 0.38 0.37 0.50 0.48 1.36 1.34
18-25 46 45 0.14 0.14 0.28 0.27 0.49 0.48
18-20 40 40 0.29 0.28 0.50 0.48 0.87 0.86
21-25 25 20 0.13 0.10 0.27 0.22 0.48 0.38
26 or Older 34 37 0.02 0.02 0.03 0.03 0.26 0.29
GENDER                
Male 51 51 0.04 0.04 0.08 0.08 0.33 0.33
Female 54 56 0.04 0.04 0.07 0.07 0.54 0.58
GENDER/AGE                
Male 12-17 31 32 0.24 0.25 0.28 0.29 1.49 1.53
Female 12-17 34 32 0.28 0.26 0.31 0.29 1.74 1.76
80428
Table 4.2P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL N/A   0.9143   0.7269   0.6432  
AGE                
12-25 N/A   0.7916   0.8516   0.3572  
12-17 N/A   0.7604   0.5993   0.3565  
12-13 N/A   0.5759   0.5923   0.1514  
14-15 N/A   0.1124   0.0837   0.5646  
16-17 N/A   0.4187   0.6098   0.1489  
18-25 N/A   0.4786   0.7682   0.3350  
18-20 N/A   0.0469   0.1504   0.0116  
21-25 N/A   0.0183   0.0148   0.0191  
26 or Older N/A   0.8852   0.8352   0.8780  
GENDER                
Male N/A   0.4651   0.3539   0.4325  
Female N/A   0.5887   0.7037   0.9664  
GENDER/AGE                
Male 12-17 N/A   0.3242   0.3922   0.2888  
Female 12-17 N/A   0.1670   0.1169   0.6758  
80428
Table 4.3D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL 79 71 0.03 0.03 0.10 0.08 0.11 0.11
AGE                
12-25 71 68 0.12 0.12 0.22 0.20 0.35 0.36
12-17 48 48 0.19 0.19 0.24 0.24 0.97 1.01
12-13 20 17 0.24 0.21 0.26 0.22 3.31 3.58
14-15 30 30 0.33 0.34 0.41 0.41 1.74 1.80
16-17 34 35 0.38 0.39 0.58 0.57 1.15 1.24
18-25 52 48 0.16 0.15 0.42 0.37 0.34 0.32
18-20 49 44 0.34 0.31 0.70 0.64 0.76 0.69
21-25 23 22 0.11 0.11 0.37 0.34 0.23 0.23
26 or Older 30 15 0.02 0.01 0.06 0.03 0.06 0.03
GENDER                
Male 55 49 0.05 0.04 0.16 0.14 0.14 0.13
Female 58 52 0.05 0.04 0.12 0.10 0.18 0.17
GENDER/AGE                
Male 12-17 33 32 0.26 0.25 0.32 0.31 1.34 1.36
Female 12-17 35 34 0.28 0.28 0.35 0.34 1.38 1.48
80428
Table 4.3P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL N/A   0.0244   0.0060   0.0931  
AGE                
12-25 N/A   0.0720   0.0124   0.5007  
12-17 N/A   0.0673   0.0262   0.7162  
12-13 N/A   0.0625   0.0577   0.7034  
14-15 N/A   0.3684   0.2093   0.8858  
16-17 N/A   0.4179   0.2115   0.9586  
18-25 N/A   0.4843   0.1636   0.9187  
18-20 N/A   0.3215   0.1086   0.7897  
21-25 N/A   0.7183   0.5308   0.8832  
26 or Older N/A   0.2468   0.2313   0.2537  
GENDER                
Male N/A   0.1369   0.0819   0.2509  
Female N/A   0.0975   0.0380   0.2170  
GENDER/AGE                
Male 12-17 N/A   0.2893   0.2183   0.5277  
Female 12-17 N/A   0.1221   0.0506   0.8686  
80428
Table 4.4D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL 107 111 0.04 0.04 0.24 0.25 0.07 0.07
AGE                
12-25 97 99 0.17 0.17 0.37 0.38 0.29 0.30
12-17 68 69 0.27 0.27 0.36 0.37 0.73 0.74
12-13 26 25 0.32 0.30 0.35 0.33 2.16 2.31
14-15 46 51 0.49 0.54 0.66 0.71 1.27 1.37
16-17 48 49 0.53 0.54 0.92 0.98 0.93 0.92
18-25 68 70 0.21 0.21 1.01 0.92 0.26 0.27
18-20 59 62 0.42 0.41 1.31 1.22 0.58 0.57
21-25 36 43 0.17 0.21 1.31 1.43 0.21 0.26
26 or Older 22 32 0.01 0.02 0.09 0.13 0.02 0.02
GENDER                
Male 72 79 0.06 0.07 0.38 0.42 0.09 0.09
Female 74 76 0.06 0.06 0.28 0.29 0.10 0.10
GENDER/AGE                
Male 12-17 47 49 0.36 0.38 0.51 0.52 0.99 1.07
Female 12-17 49 48 0.40 0.39 0.54 0.53 1.05 1.03
80428
Table 4.4P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
TOTAL N/A   0.3397   0.7737   0.2814  
AGE                
12-25 N/A   0.3099   0.9947   0.1240  
12-17 N/A   0.9389   0.7375   0.2065  
12-13 N/A   0.4767   0.4338   0.9120  
14-15 N/A   0.2216   0.5972   0.0073  
16-17 N/A   0.6038   0.6896   0.8391  
18-25 N/A   0.1644   0.8750   0.1120  
18-20 N/A   0.8296   0.1878   0.8996  
21-25 N/A   0.0226   0.1237   0.0217  
26 or Older N/A   0.1826   0.1974   0.1814  
GENDER                
Male N/A   0.9207   0.5843   0.8590  
Female N/A   0.2058   0.3960   0.1736  
GENDER/AGE                
Male 12-17 N/A   0.9429   0.8195   0.6680  
Female 12-17 N/A   0.8621   0.7929   0.1620  
80428
Table 4.5D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 102 94 0.04 0.04 0.08 0.07 0.29 0.26
Marijuana and Hashish 79 77 0.03 0.03 0.05 0.05 0.31 0.31
Cocaine 60 57 0.02 0.02 0.03 0.03 0.97 1.01
Crack 31 72 0.01 0.03 0.01 0.03 2.19 4.14
Heroin 15 21 0.01 0.01 0.01 0.01 3.29 *
Hallucinogens 72 61 0.03 0.02 0.03 0.03 1.52 1.41
LSD 32 23 0.01 0.01 0.01 0.01 3.97 3.88
PCP 12 11 0.01 0.00 0.01 0.00 * *
Ecstasy 68 53 0.03 0.02 0.03 0.02 2.43 2.18
Inhalants 41 47 0.02 0.02 0.02 0.02 1.85 2.31
Nonmedical Use of Psychotherapeutics4,5 110 117 0.04 0.05 0.06 0.06 0.67 0.69
Pain Relievers 93 105 0.04 0.04 0.04 0.05 0.73 0.82
OxyContin® 50 49 0.02 0.02 0.02 0.02 3.25 3.01
Tranquilizers 67 82 0.03 0.03 0.03 0.04 1.31 1.48
Stimulants4 69 50 0.03 0.02 0.03 0.02 1.89 1.67
Sedatives 46 29 0.02 0.01 0.02 0.01 4.39 3.34
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 102 107 0.04 0.04 0.06 0.06 0.48 0.49
CIGARETTES 79 71 0.03 0.03 0.10 0.08 0.11 0.11
Daily Cigarette Use6 54 52 0.02 0.02 0.04 0.03 -- --
SMOKELESS TOBACCO 71 61 0.03 0.02 0.04 0.03 0.62 0.56
CIGARS 104 107 0.04 0.04 0.07 0.07 0.39 0.41
ALCOHOL 107 111 0.04 0.04 0.24 0.25 0.07 0.07
80428
Table 4.5P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 N/A   0.3146   0.4687   0.4176  
Marijuana and Hashish N/A   0.9143   0.7269   0.6432  
Cocaine N/A   0.3422   0.3526   0.8210  
Crack N/A   0.1746   0.1750   0.0966  
Heroin N/A   0.5653   0.5658   *  
Hallucinogens N/A   0.5202   0.4781   0.9784  
LSD N/A   0.9153   0.9362   0.4726  
PCP N/A   0.5082   0.5029   *  
Ecstasy N/A   0.3315   0.3352   0.2557  
Inhalants N/A   0.8143   0.7905   0.5042  
Nonmedical Use of Psychotherapeutics4,5 N/A   0.7018   0.6675   0.9055  
Pain Relievers N/A   0.8972   0.8613   0.8327  
OxyContin® N/A   0.8053   0.8003   0.7645  
Tranquilizers N/A   0.2941   0.3260   0.5054  
Stimulants4 N/A   0.0157   0.0152   0.5587  
Sedatives N/A   0.1986   0.1963   0.2890  
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 N/A   0.2350   0.2475   0.3300  
CIGARETTES N/A   0.0244   0.0060   0.0931  
Daily Cigarette Use6 N/A   0.3108   0.2867   --  
SMOKELESS TOBACCO N/A   0.6560   0.6083   0.9876  
CIGARS N/A   0.9615   0.8616   0.7513  
ALCOHOL N/A   0.3397   0.7737   0.2814  
80428
Table 4.6D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 52 50 0.20 0.20 0.26 0.25 0.85 0.93
Marijuana and Hashish 47 45 0.19 0.18 0.21 0.20 1.14 1.11
Cocaine 21 22 0.08 0.09 0.09 0.09 3.23 3.25
Crack 8 10 0.03 0.04 0.03 0.04 * *
Heroin 7 5 0.03 0.02 0.03 0.02 * *
Hallucinogens 27 28 0.11 0.11 0.11 0.11 2.69 2.50
LSD 11 13 0.04 0.05 0.04 0.05 * 4.22
PCP 10 8 0.04 0.03 0.04 0.03 * *
Ecstasy 18 23 0.07 0.09 0.07 0.09 3.81 3.44
Inhalants 33 30 0.13 0.12 0.14 0.13 1.96 2.16
Nonmedical Use of Psychotherapeutics4,5 40 39 0.16 0.15 0.17 0.17 1.43 1.43
Pain Relievers 37 36 0.14 0.14 0.16 0.15 1.57 1.54
OxyContin® 15 15 0.06 0.06 0.06 0.06 4.30 3.73
Tranquilizers 20 23 0.08 0.09 0.08 0.09 3.29 3.05
Stimulants4 25 20 0.10 0.08 0.10 0.08 3.02 3.37
Sedatives 9 12 0.04 0.05 0.04 0.05 5.77 *
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 44 44 0.17 0.17 0.20 0.20 1.13 1.21
CIGARETTES 48 48 0.19 0.19 0.24 0.24 0.97 1.01
Daily Cigarette Use6 27 23 0.11 0.09 0.11 0.10 -- --
SMOKELESS TOBACCO 31 36 0.12 0.14 0.13 0.15 1.80 1.81
CIGARS 42 44 0.17 0.18 0.18 0.19 1.32 1.38
ALCOHOL 68 69 0.27 0.27 0.36 0.37 0.73 0.74
80428
Table 4.6P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 N/A   0.8605   0.8482   0.1971  
Marijuana and Hashish N/A   0.7604   0.5993   0.3565  
Cocaine N/A   0.8530   0.8481   0.5593  
Crack N/A   0.3607   0.3629   *  
Heroin N/A   0.3597   0.3598   *  
Hallucinogens N/A   0.9254   0.9540   0.5238  
LSD N/A   0.2155   0.2182   *  
PCP N/A   0.7323   0.7304   *  
Ecstasy N/A   0.1740   0.1799   0.1793  
Inhalants N/A   0.1068   0.1009   0.6296  
Nonmedical Use of Psychotherapeutics4,5 N/A   0.3503   0.2981   0.9669  
Pain Relievers N/A   0.3488   0.3087   0.8184  
OxyContin® N/A   0.4104   0.4100   0.6452  
Tranquilizers N/A   0.3266   0.3295   0.4573  
Stimulants4 N/A   0.0332   0.0304   0.6031  
Sedatives N/A   0.7453   0.7470   *  
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 N/A   0.2393   0.1786   0.9333  
CIGARETTES N/A   0.0673   0.0262   0.7162  
Daily Cigarette Use6 N/A   0.1332   0.1281   --  
SMOKELESS TOBACCO N/A   0.4556   0.4178   0.7351  
CIGARS N/A   0.3110   0.2705   0.1448  
ALCOHOL N/A   0.9389   0.7375   0.2065  
80428
Table 4.7D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 53 47 0.16 0.14 0.36 0.32 0.46 0.41
Marijuana and Hashish 46 45 0.14 0.14 0.28 0.27 0.49 0.48
Cocaine 40 38 0.12 0.12 0.14 0.14 1.60 1.53
Crack 18 15 0.05 0.05 0.06 0.05 4.47 4.61
Heroin 12 14 0.04 0.04 0.04 0.04 * *
Hallucinogens 40 35 0.12 0.11 0.15 0.13 1.57 1.46
LSD 22 18 0.07 0.06 0.07 0.06 4.38 3.67
PCP 8 7 0.02 0.02 0.02 0.02 * *
Ecstasy 41 31 0.12 0.10 0.14 0.11 2.42 2.21
Inhalants 21 23 0.06 0.07 0.07 0.08 3.08 3.36
Nonmedical Use of Psychotherapeutics4,5 47 50 0.14 0.15 0.20 0.21 0.87 0.91
Pain Relievers 45 50 0.14 0.15 0.18 0.20 1.01 1.17
OxyContin® 23 21 0.07 0.07 0.07 0.07 3.06 3.10
Tranquilizers 32 34 0.10 0.10 0.11 0.12 1.55 1.77
Stimulants4 30 30 0.09 0.09 0.10 0.10 2.02 2.22
Sedatives 11 10 0.03 0.03 0.04 0.03 5.29 4.98
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 55 51 0.17 0.16 0.26 0.24 0.79 0.72
CIGARETTES 52 48 0.16 0.15 0.42 0.37 0.34 0.32
Daily Cigarette Use6 36 38 0.11 0.12 0.16 0.16 -- --
SMOKELESS TOBACCO 40 40 0.12 0.12 0.15 0.15 1.24 1.18
CIGARS 54 58 0.17 0.18 0.27 0.28 0.63 0.71
ALCOHOL 68 70 0.21 0.21 1.01 0.92 0.26 0.27
80428
Table 4.7P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 N/A   0.6165   0.3445   0.9641  
Marijuana and Hashish N/A   0.4786   0.7682   0.3350  
Cocaine N/A   0.6217   0.5773   0.7305  
Crack N/A   0.0621   0.0590   0.1491  
Heroin N/A   0.4847   0.4866   *  
Hallucinogens N/A   0.5806   0.5067   0.9373  
LSD N/A   0.7310   0.8145   0.5887  
PCP N/A   0.5814   0.5772   *  
Ecstasy N/A   0.1224   0.1152   0.1996  
Inhalants N/A   0.7323   0.8003   0.2673  
Nonmedical Use of Psychotherapeutics4,5 N/A   0.6393   0.7515   0.2838  
Pain Relievers N/A   0.3920   0.4683   0.2061  
OxyContin® N/A   0.7772   0.7837   0.8183  
Tranquilizers N/A   0.3115   0.2997   0.5529  
Stimulants4 N/A   0.4560   0.4245   0.5723  
Sedatives N/A   0.5704   0.5691   0.7131  
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 N/A   0.2671   0.1904   0.5407  
CIGARETTES N/A   0.4843   0.1636   0.9187  
Daily Cigarette Use6 N/A   0.7841   0.9850   --  
SMOKELESS TOBACCO N/A   0.6050   0.6228   0.7910  
CIGARS N/A   0.2111   0.3381   0.0738  
ALCOHOL N/A   0.1644   0.8750   0.1120  
80428
Table 4.8D – 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: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2006 and 2007
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 68 61 0.04 0.03 0.07 0.06 0.35 0.30
Marijuana and Hashish 34 37 0.02 0.02 0.03 0.03 0.26 0.29
Cocaine 38 32 0.02 0.02 0.02 0.02 1.07 0.96
Crack 25 69 0.01 0.04 0.01 0.04 2.18 *
Heroin 6 14 0.00 0.01 0.00 0.01 * *
Hallucinogens 49 38 0.03 0.02 0.03 0.02 3.80 3.23
LSD 19 * 0.01 * 0.01 * * *
PCP * * * * * * * *
Ecstasy 48 35 0.03 0.02 0.03 0.02 * *
Inhalants 12 26 0.01 0.01 0.01 0.02 * *
Nonmedical Use of Psychotherapeutics4,5 91 98 0.05 0.05 0.06 0.06 0.97 1.02
Pain Relievers 73 85 0.04 0.04 0.04 0.05 1.05 1.18
OxyContin® 40 44 0.02 0.02 0.02 0.02 * *
Tranquilizers 55 71 0.03 0.04 0.03 0.04 1.91 2.21
Stimulants4 58 35 0.03 0.02 0.03 0.02 3.31 2.59
Sedatives 44 24 0.02 0.01 0.02 0.01 * *
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 75 79 0.04 0.04 0.06 0.06 0.64 0.64
CIGARETTES 30 15 0.02 0.01 0.06 0.03 0.06 0.03
Daily Cigarette Use6 33 23 0.02 0.01 0.03 0.02 -- --
SMOKELESS TOBACCO 50 23 0.03 0.01 0.03 0.01 0.67 0.33
CIGARS 77 73 0.04 0.04 0.07 0.06 0.46 0.44
ALCOHOL 22 32 0.01 0.02 0.09 0.13 0.02 0.02
80428
Table 4.8P – 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: P Values from Tests of Differences of Percentages, 2007 Versus 2006
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
2006 2007 2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
5 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
6 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS3,4 N/A   0.3076   0.3592   0.2741  
Marijuana and Hashish N/A   0.8852   0.8352   0.8780  
Cocaine N/A   0.4501   0.4554   0.5203  
Crack N/A   0.0601   0.0600   *  
Heroin N/A   0.4898   0.4900   *  
Hallucinogens N/A   0.6792   0.6702   0.7878  
LSD N/A   *   *   *  
PCP N/A   *   *   *  
Ecstasy N/A   0.5190   0.5220   *  
Inhalants N/A   0.0624   0.0627   *  
Nonmedical Use of Psychotherapeutics4,5 N/A   0.8318   0.8261   0.7919  
Pain Relievers N/A   0.9091   0.9035   0.9168  
OxyContin® N/A   0.8401   0.8380   *  
Tranquilizers N/A   0.1337   0.1433   0.2623  
Stimulants4 N/A   0.1317   0.1314   0.3488  
Sedatives N/A   0.1927   0.1912   *  
ILLICIT DRUGS OTHER THAN MARIJUANA3,4 N/A   0.9949   0.9843   0.9057  
CIGARETTES N/A   0.2468   0.2313   0.2537  
Daily Cigarette Use6 N/A   0.5077   0.5037   --  
SMOKELESS TOBACCO N/A   0.0838   0.0814   0.1048  
CIGARS N/A   0.8538   0.8314   0.9137  
ALCOHOL N/A   0.1826   0.1974   0.1814  
80428
Table 4.9C – Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Standard Errors of Numbers in Thousands, 2006 and 2007
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS2,3 102 94 70 60 73 73
Marijuana and Hashish 79 77 51 51 54 56
Cocaine 60 57 42 49 40 29
Crack 31 72 26 69 18 20
Heroin 15 21 12 19 9 9
Hallucinogens 72 61 34 47 62 39
LSD 32 23 22 19 22 12
PCP 12 11 8 8 9 7
Ecstasy 68 53 32 42 57 33
Inhalants 41 47 30 35 28 31
Nonmedical Use of Psychotherapeutics3,4 110 117 70 81 85 87
Pain Relievers 93 105 67 78 66 71
OxyContin® 50 49 35 30 33 39
Tranquilizers 67 82 46 49 51 68
Stimulants3 69 50 32 24 62 44
Sedatives 46 29 13 18 44 23
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 102 107 71 69 77 80
CIGARETTES 79 71 55 49 58 52
Daily Cigarette Use5 54 52 42 38 36 34
SMOKELESS TOBACCO 71 61 64 51 32 31
CIGARS 104 107 74 76 78 79
ALCOHOL 107 111 72 79 74 76
80428
Table 4.10C – Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: Standard Errors of Numbers in Thousands, 2006 and 2007
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS2,3 58 57 40 42 42 40
Marijuana and Hashish 52 53 35 37 37 36
Cocaine 25 25 18 17 17 18
Crack 11 10 7 7 8 8
Heroin 8 6 7 5 5 3
Hallucinogens 30 32 22 23 21 22
LSD 12 14 9 11 8 8
PCP 10 8 7 7 7 5
Ecstasy 21 26 14 18 16 18
Inhalants 34 31 24 22 23 22
Nonmedical Use of Psychotherapeutics3,4 45 44 34 32 30 31
Pain Relievers 42 41 33 29 27 30
OxyContin® 18 16 11 10 13 13
Tranquilizers 23 26 14 17 18 20
Stimulants3 26 23 16 13 20 19
Sedatives 10 12 8 5 7 11
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 50 49 36 37 35 34
CIGARETTES 56 53 38 35 39 38
Daily Cigarette Use5 30 26 21 19 21 17
SMOKELESS TOBACCO 36 39 32 34 15 17
CIGARS 50 51 40 39 32 31
ALCOHOL 80 81 53 57 56 55
80428
Table 4.11C – Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: Standard Errors of Numbers in Thousands, 2006 and 2007
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS2,3 73 68 47 48 51 48
Marijuana and Hashish 66 62 42 42 45 46
Cocaine 40 41 29 36 27 23
Crack 18 16 14 10 11 12
Heroin 13 12 10 10 7 6
Hallucinogens 46 43 32 34 33 27
LSD 22 20 17 16 13 11
PCP 12 10 8 8 8 7
Ecstasy 41 36 29 27 29 23
Inhalants 38 37 28 28 25 23
Nonmedical Use of Psychotherapeutics3,4 56 59 42 42 39 43
Pain Relievers 53 59 40 42 34 38
OxyContin® 24 21 17 14 16 16
Tranquilizers 34 35 25 22 24 27
Stimulants3 36 33 23 19 25 27
Sedatives 13 14 10 8 8 11
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 67 64 47 48 48 44
CIGARETTES 72 68 51 47 49 48
Daily Cigarette Use5 42 44 31 33 28 27
SMOKELESS TOBACCO 49 54 44 46 19 23
CIGARS 69 71 54 54 42 45
ALCOHOL 96 101 65 69 65 67
80428
Table 4.12C – Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Standard Errors of Numbers in Thousands, 2006 and 2007
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS2,3 101 86 70 58 72 64
Marijuana and Hashish 78 75 51 49 53 55
Cocaine 59 56 42 49 39 29
Crack 29 51 26 47 15 20
Heroin 15 21 12 19 9 9
Hallucinogens 72 60 34 47 62 38
LSD 32 23 22 19 22 12
PCP 12 11 8 8 9 7
Ecstasy 67 54 32 42 56 33
Inhalants 41 47 29 35 28 31
Nonmedical Use of Psychotherapeutics3,4 109 95 70 63 84 74
Pain Relievers 91 87 65 59 65 63
OxyContin® 47 44 35 30 29 32
Tranquilizers 67 76 46 47 51 62
Stimulants3 68 50 32 23 62 43
Sedatives 39 29 13 18 36 23
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 100 96 71 68 76 68
CIGARETTES 79 71 54 50 57 51
Daily Cigarette Use5 53 52 40 38 36 34
SMOKELESS TOBACCO 66 61 57 51 32 30
CIGARS 94 106 70 74 66 74
ALCOHOL 105 109 71 78 73 74
80428
Table 4.13D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2006 and 2007
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.43 0.65 0.72 0.54 0.50 1.09
Marijuana and Hashish 0.21 0.43 0.30 0.59 0.28 0.62
Cocaine 0.60 0.52 0.82 0.77 0.90 0.55
Crack 1.79 3.21 2.08 3.55 3.09 2.57
Heroin 1.49 1.23 1.23 1.00 3.21 3.21
Hallucinogens 0.67 0.53 0.15 0.58 1.11 0.97
LSD 0.72 0.29 0.69 0.37 1.33 0.39
PCP 0.62 0.50 0.57 0.61 0.97 0.79
Ecstasy 0.83 0.57 0.30 0.74 1.35 0.88
Inhalants 0.24 0.54 0.27 0.80 0.40 0.68
Nonmedical Use of Psychotherapeutics2,3 0.57 0.90 0.82 1.32 0.76 1.20
Pain Relievers 0.60 0.92 0.94 1.42 0.78 1.18
OxyContin® 1.33 1.68 1.40 2.01 2.33 2.55
Tranquilizers 0.63 0.97 1.10 1.10 0.77 1.41
Stimulants2 1.16 1.08 1.13 0.84 1.50 1.51
Sedatives 3.20 1.53 1.81 1.73 3.71 2.26
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.50 0.73 0.76 0.54 0.66 1.20
CIGARETTES 0.21 0.12 0.13 0.13 0.39 0.20
Daily Cigarette Use4 0.70 0.44 1.21 0.67 0.54 0.57
SMOKELESS TOBACCO 1.20 0.34 1.51 0.19 1.18 1.10
CIGARS 0.67 0.48 0.87 0.50 1.00 0.97
ALCOHOL 0.11 0.21 0.11 0.37 0.20 0.22
80428
Table 4.13P – P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2007 Versus 2006
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.9117   0.0710   0.1938  
Marijuana and Hashish 0.3787   0.7366   0.3692  
Cocaine 0.5887   0.9173   0.3344  
Crack 0.0087   0.0010   0.9766  
Heroin 0.5650   0.4870   0.7298  
Hallucinogens 0.7695   0.0076   0.2429  
LSD 0.1254   0.3470   0.1499  
PCP 0.8727   0.8127   0.7171  
Ecstasy 0.4082   0.0287   0.0480  
Inhalants 0.0110   0.0402   0.1365  
Nonmedical Use of Psychotherapeutics2,3 0.4565   0.9159   0.3366  
Pain Relievers 0.8012   0.8578   0.5511  
OxyContin® 0.3668   0.6823   0.4352  
Tranquilizers 0.0630   0.4334   0.0819  
Stimulants2 0.4746   0.6400   0.5219  
Sedatives 0.1077   0.1547   0.0468  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.5846   0.2949   0.1685  
CIGARETTES 0.5327   0.9296   0.4812  
Daily Cigarette Use4 0.9217   0.5895   0.3922  
SMOKELESS TOBACCO 0.1030   0.0926   0.6592  
CIGARS 0.6600   0.4277   0.8917  
ALCOHOL 0.0796   0.1469   0.3133  
80428
Table 4.14D – Standard Errors of 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: 2006 and 2007
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.06 0.05 0.09 0.08 0.07 0.07
Marijuana and Hashish 0.05 0.05 0.07 0.07 0.07 0.07
Cocaine 0.08 0.10 0.11 0.14 0.13 0.14
Crack 0.19 0.20 0.25 0.17 0.26 0.29
Heroin 0.35 0.49 0.29 0.65 0.41 *
Hallucinogens 0.09 0.09 0.11 0.12 0.14 0.13
LSD 0.27 0.15 0.34 0.15 0.39 0.31
PCP 0.28 0.26 0.55 0.32 0.24 0.40
Ecstasy 0.10 0.10 0.14 0.15 0.14 0.15
Inhalants 0.10 0.10 0.16 0.15 0.12 0.13
Nonmedical Use of Psychotherapeutics2,3 0.07 0.07 0.10 0.10 0.09 0.10
Pain Relievers 0.07 0.08 0.11 0.11 0.09 0.10
OxyContin® 0.14 0.13 0.15 0.15 0.21 0.19
Tranquilizers 0.11 0.11 0.17 0.18 0.14 0.13
Stimulants2 0.11 0.12 0.18 0.18 0.15 0.17
Sedatives 0.26 0.18 0.44 0.34 0.27 0.21
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.07 0.07 0.10 0.10 0.09 0.09
CIGARETTES 0.06 0.06 0.09 0.09 0.08 0.08
Daily Cigarette Use4 0.08 0.09 0.12 0.11 0.11 0.13
SMOKELESS TOBACCO 0.07 0.07 0.08 0.08 0.18 0.14
CIGARS 0.05 0.05 0.07 0.07 0.07 0.08
ALCOHOL 0.04 0.04 0.06 0.05 0.05 0.05
80428
Table 4.14P – P Values from Tests of Differences of 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: 2007 Versus 2006
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.8004   0.5099   0.2782  
Marijuana and Hashish 0.3747   1.0000   0.1973  
Cocaine 0.6232   0.3072   0.7932  
Crack 0.0212   0.2544   0.0212  
Heroin 0.4053   0.3056   *  
Hallucinogens 0.3036   0.2295   0.7473  
LSD 0.9155   0.6733   0.9676  
PCP 0.1945   0.5376   0.0649  
Ecstasy 0.0886   0.1508   0.3297  
Inhalants 0.6651   0.9475   0.5426  
Nonmedical Use of Psychotherapeutics2,3 0.8397   0.8627   0.7796  
Pain Relievers 0.8282   0.9137   0.6401  
OxyContin® 0.9142   0.4395   0.8242  
Tranquilizers 0.1399   0.5988   0.0949  
Stimulants2 0.7342   0.7002   0.4681  
Sedatives 0.3336   0.1910   0.9255  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.7112   0.5587   0.9774  
CIGARETTES 0.5745   0.6871   0.2137  
Daily Cigarette Use4 0.5247   0.8501   0.4909  
SMOKELESS TOBACCO 0.6278   0.3169   0.3200  
CIGARS 0.8907   0.7216   0.7476  
ALCOHOL 0.7172   0.1754   0.4256  
80428
Table 4.15D – Standard Errors of 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: 2006 and 2007
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.08 0.07 0.10 0.10 0.11 0.10
Marijuana and Hashish 0.08 0.07 0.09 0.09 0.10 0.10
Cocaine 0.10 0.12 0.12 0.15 0.15 0.18
Crack 0.18 0.30 0.18 0.35 0.34 0.49
Heroin 0.30 0.45 0.29 0.60 0.62 0.56
Hallucinogens 0.12 0.10 0.13 0.14 0.22 0.16
LSD 0.25 0.18 0.28 0.22 0.42 0.30
PCP 0.38 0.47 0.57 0.42 0.48 0.83
Ecstasy 0.13 0.13 0.15 0.17 0.23 0.20
Inhalants 0.12 0.14 0.20 0.21 0.14 0.16
Nonmedical Use of Psychotherapeutics2,3 0.08 0.09 0.11 0.12 0.12 0.13
Pain Relievers 0.09 0.09 0.11 0.12 0.13 0.13
OxyContin® 0.15 0.17 0.19 0.20 0.24 0.26
Tranquilizers 0.12 0.14 0.17 0.20 0.17 0.19
Stimulants2 0.15 0.17 0.22 0.23 0.19 0.23
Sedatives 0.34 0.28 0.57 0.49 0.37 0.28
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.09 0.09 0.12 0.12 0.14 0.13
CIGARETTES 0.07 0.07 0.10 0.10 0.11 0.10
Daily Cigarette Use4 0.09 0.09 0.13 0.12 0.14 0.13
SMOKELESS TOBACCO 0.09 0.10 0.10 0.11 0.22 0.19
CIGARS 0.06 0.06 0.07 0.08 0.10 0.09
ALCOHOL 0.05 0.06 0.07 0.07 0.07 0.08
80428
Table 4.15P – P Values from Tests of Differences of 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: 2007 Versus 2006
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.6610   0.7295   0.3352  
Marijuana and Hashish 0.1676   0.9806   0.0538  
Cocaine 0.7466   0.3339   0.4185  
Crack 0.0945   0.3744   0.2027  
Heroin 0.3534   0.4527   0.5001  
Hallucinogens 0.2247   0.5887   0.2014  
LSD 0.7868   0.5561   0.9183  
PCP 0.6387   0.6338   0.1982  
Ecstasy 0.0158   0.0709   0.1096  
Inhalants 0.4357   0.4030   0.9824  
Nonmedical Use of Psychotherapeutics2,3 0.5895   0.1118   0.4847  
Pain Relievers 0.2312   0.0288   0.7443  
OxyContin® 0.9294   0.8951   0.7817  
Tranquilizers 0.0506   0.1511   0.1775  
Stimulants2 0.4578   0.9460   0.3161  
Sedatives 0.8935   0.2411   0.2870  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.8441   0.8952   0.6184  
CIGARETTES 0.3936   0.9269   0.2275  
Daily Cigarette Use4 0.1475   0.2701   0.3618  
SMOKELESS TOBACCO 0.5914   0.9749   0.1957  
CIGARS 0.0748   0.3342   0.1018  
ALCOHOL 0.8925   0.9904   0.8327  
80428
Table 4.16D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2006 and 2007
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.42 0.37 0.70 0.30 0.50 0.64
Marijuana and Hashish 0.21 0.34 0.30 0.25 0.28 0.62
Cocaine 0.51 0.52 0.82 0.77 0.58 0.55
Crack 1.46 2.54 2.08 3.16 1.45 2.57
Heroin 1.49 1.23 1.23 1.00 3.21 3.21
Hallucinogens 0.67 0.45 0.15 0.58 1.11 0.73
LSD 0.72 0.29 0.69 0.37 1.33 0.39
PCP 0.62 0.50 0.57 0.61 0.97 0.79
Ecstasy 0.76 0.57 0.30 0.74 1.26 0.88
Inhalants 0.24 0.54 0.27 0.80 0.40 0.68
Nonmedical Use of Psychotherapeutics2,3 0.56 0.52 0.81 0.55 0.76 0.79
Pain Relievers 0.57 0.44 0.86 0.51 0.76 0.68
OxyContin® 0.94 1.26 1.40 2.01 1.18 1.50
Tranquilizers 0.62 0.67 1.10 0.98 0.74 0.88
Stimulants2 1.16 1.08 1.13 0.84 1.50 1.51
Sedatives 1.78 1.53 1.62 1.73 1.91 2.26
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.49 0.43 0.74 0.54 0.65 0.65
CIGARETTES 0.21 0.12 0.13 0.13 0.39 0.20
Daily Cigarette Use4 0.53 0.44 0.88 0.67 0.54 0.57
SMOKELESS TOBACCO 0.51 0.29 0.55 0.19 1.15 0.93
CIGARS 0.42 0.42 0.59 0.50 0.59 0.68
ALCOHOL 0.11 0.13 0.11 0.13 0.20 0.22
80428
Table 4.16P – P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2007 Versus 2006
Substance MEAN AGE
Total Male Female
2006 2007 2006 2007 2006 2007
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Estimates in these designated rows do not include data from methamphetamine initiation items added in 2007 or methamphetamine use items added in 2005 and 2006.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2006 and 2007.
ILLICIT DRUGS1,2 0.0630   0.0136   0.7296  
Marijuana and Hashish 0.7092   0.4048   0.3692  
Cocaine 0.9002   0.9173   0.7127  
Crack 0.0215   0.0264   0.2732  
Heroin 0.5650   0.4870   0.7298  
Hallucinogens 0.4990   0.0076   0.0682  
LSD 0.1254   0.3470   0.1499  
PCP 0.8727   0.8127   0.7171  
Ecstasy 0.6812   0.0287   0.1139  
Inhalants 0.0131   0.0482   0.1365  
Nonmedical Use of Psychotherapeutics2,3 0.1659   0.3993   0.3096  
Pain Relievers 0.2950   0.2849   0.6794  
OxyContin® 0.3950   0.6002   0.4265  
Tranquilizers 0.5669   0.6845   0.6649  
Stimulants2 0.4746   0.6400   0.5219  
Sedatives 0.3317   0.0548   0.1143  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.3103   0.4052   0.6090  
CIGARETTES 0.5327   0.9296   0.4812  
Daily Cigarette Use4 0.5729   0.8946   0.3922  
SMOKELESS TOBACCO 0.0692   0.0601   0.4041  
CIGARS 0.3025   0.5873   0.3212  
ALCOHOL 0.1404   0.2038   0.3133  

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