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70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*Low precision; no estimate reported.
NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
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, 2005 and 2006.
TOTAL
 139 102 0.06 0.04 0.10 0.08 0.39 0.29
AGE
                
12-25 69 72 0.12 0.12 0.20 0.21 0.42 0.42
12-17 50 52 0.20 0.20 0.25 0.26 0.86 0.85
12-13 24 22 0.29 0.27 0.32 0.30 2.58 2.53
14-15 33 32 0.37 0.35 0.46 0.45 1.59 1.52
16-17 31 34 0.34 0.38 0.52 0.55 1.02 1.14
18-25 47 53 0.14 0.16 0.33 0.36 0.41 0.46
18-20 40 46 0.29 0.32 0.58 0.62 0.75 0.82
21-25 26 28 0.13 0.14 0.32 0.34 0.40 0.43
26 or Older 115 68 0.06 0.04 0.11 0.07 0.60 0.35
GENDER
                
Male 68 70 0.06 0.06 0.12 0.12 0.35 0.34
Female 118 73 0.09 0.06 0.16 0.10 0.73 0.47
GENDER/AGE
               
Male 12-17 35 36 0.27 0.27 0.35 0.36 1.21 1.20
Female 12-17 35 38 0.29 0.31 0.36 0.39 1.23 1.29
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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.
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, 2005 and 2006.
TOTAL
 N/A   0.3675   0.2838   0.2854  
AGE
                
12-25 N/A   0.7295   0.7770   0.7005  
12-17 N/A   0.6118   0.6224   0.8191  
12-13 N/A   0.0653   0.0728   0.3032  
14-15 N/A   0.4857   0.6584   0.1400  
16-17 N/A   0.2959   0.5687   0.0859  
18-25 N/A   0.2624   0.3114   0.2778  
18-20 N/A   0.6400   0.9146   0.5760  
21-25 N/A   0.1133   0.0998   0.1377  
26 or Older N/A   0.2022   0.1850   0.1754  
GENDER
                
Male N/A   0.8602   0.9800   0.7947  
Female N/A   0.2256   0.1863   0.3066  
GENDER/AGE
               
Male 12-17 N/A   0.2353   0.2518   0.2559  
Female 12-17 N/A   0.6819   0.6931   0.4304  
70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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, 2005 and 2006.
TOTAL
 121 79 0.05 0.03 0.08 0.05 0.46 0.31
AGE
                
12-25 65 67 0.11 0.12 0.17 0.17 0.49 0.50
12-17 44 47 0.17 0.19 0.20 0.21 1.07 1.14
12-13 13 12 0.16 0.15 0.16 0.15 4.67 5.40
14-15 30 30 0.33 0.33 0.37 0.37 2.02 1.98
16-17 31 34 0.35 0.38 0.47 0.50 1.24 1.36
18-25 45 46 0.14 0.14 0.28 0.28 0.48 0.49
18-20 39 40 0.29 0.29 0.51 0.50 0.88 0.87
21-25 22 25 0.11 0.13 0.24 0.27 0.42 0.48
26 or Older 97 34 0.05 0.02 0.09 0.03 0.75 0.26
GENDER
                
Male 57 51 0.05 0.04 0.09 0.08 0.37 0.33
Female 104 54 0.08 0.04 0.13 0.07 0.96 0.54
GENDER/AGE
               
Male 12-17 30 31 0.23 0.24 0.27 0.28 1.46 1.49
Female 12-17 31 34 0.25 0.28 0.28 0.31 1.53 1.74
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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, 2005 and 2006.
TOTAL
 N/A   0.5959   0.5503   0.7038  
AGE
                
12-25 N/A   0.4817   0.5030   0.4102  
12-17 N/A   0.4096   0.4425   0.1965  
12-13 N/A   0.0673   0.0679   0.2080  
14-15 N/A   0.7267   0.6899   0.8798  
16-17 N/A   0.1624   0.2603   0.0437  
18-25 N/A   0.8172   0.8294   0.7986  
18-20 N/A   0.6489   0.5683   0.6642  
21-25 N/A   0.1409   0.1358   0.1425  
26 or Older N/A   0.2119   0.2082   0.2155  
GENDER
                
Male N/A   0.8805   0.7595   0.9199  
Female N/A   0.5787   0.5849   0.7236  
GENDER/AGE
               
Male 12-17 N/A   0.9235   0.9653   0.5573  
Female 12-17 N/A   0.2881   0.2989   0.2339  
70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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, 2005 and 2006.
TOTAL
 86 79 0.04 0.03 0.10 0.10 0.12 0.11
AGE
                
12-25 70 71 0.12 0.12 0.22 0.22 0.35 0.35
12-17 50 48 0.20 0.19 0.25 0.24 0.97 0.97
12-13 22 20 0.26 0.24 0.28 0.26 3.07 3.31
14-15 31 30 0.36 0.33 0.44 0.41 1.79 1.74
16-17 33 34 0.38 0.38 0.60 0.58 1.13 1.15
18-25 46 52 0.14 0.16 0.38 0.42 0.30 0.34
18-20 42 49 0.30 0.34 0.68 0.70 0.66 0.76
21-25 22 23 0.11 0.11 0.36 0.37 0.23 0.23
26 or Older 40 30 0.02 0.02 0.08 0.06 0.08 0.06
GENDER
                
Male 58 55 0.05 0.05 0.17 0.16 0.16 0.14
Female 59 58 0.05 0.05 0.12 0.12 0.18 0.18
GENDER/AGE
               
Male 12-17 33 33 0.26 0.26 0.33 0.32 1.33 1.34
Female 12-17 36 35 0.29 0.28 0.37 0.35 1.32 1.38
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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, 2005 and 2006.
TOTAL
 N/A   0.2343   0.3387   0.2443  
AGE
                
12-25 N/A   0.0361   0.1033   0.0230  
12-17 N/A   0.7375   0.9255   0.4304  
12-13 N/A   0.6474   0.5984   0.3284  
14-15 N/A   0.4707   0.4409   0.4393  
16-17 N/A   0.1769   0.3713   0.0910  
18-25 N/A   0.0086   0.0273   0.0072  
18-20 N/A   0.0047   0.0338   0.0058  
21-25 N/A   0.3968   0.4483   0.3470  
26 or Older N/A   0.3174   0.3113   0.3148  
GENDER
                
Male N/A   0.2906   0.3788   0.4279  
Female N/A   0.5079   0.6122   0.3456  
GENDER/AGE
               
Male 12-17 N/A   0.5009   0.5844   0.3267  
Female 12-17 N/A   0.8525   0.6843   0.8745  
70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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, 2005 and 2006.
TOTAL
 108 107 0.04 0.04 0.25 0.24 0.07 0.07
AGE
                
12-25 92 97 0.16 0.17 0.37 0.37 0.27 0.29
12-17 69 68 0.27 0.27 0.38 0.36 0.72 0.73
12-13 28 26 0.32 0.32 0.36 0.35 2.29 2.16
14-15 49 46 0.52 0.49 0.70 0.66 1.28 1.27
16-17 49 48 0.53 0.53 1.00 0.92 0.89 0.93
18-25 61 68 0.19 0.21 0.92 1.01 0.24 0.26
18-20 53 59 0.36 0.42 1.19 1.31 0.50 0.58
21-25 35 36 0.17 0.17 1.30 1.31 0.21 0.21
26 or Older 31 22 0.02 0.01 0.14 0.09 0.02 0.02
GENDER
                
Male 71 72 0.06 0.06 0.39 0.38 0.09 0.09
Female 77 74 0.06 0.06 0.31 0.28 0.10 0.10
GENDER/AGE
               
Male 12-17 47 47 0.36 0.36 0.51 0.51 1.02 0.99
Female 12-17 51 49 0.41 0.40 0.56 0.54 1.00 1.05
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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, 2005 and 2006.
TOTAL
 N/A   0.7153   0.9739   0.5933  
AGE
                
12-25 N/A   0.3397   0.2410   0.4704  
12-17 N/A   0.5682   0.5406   0.8111  
12-13 N/A   0.3630   0.3603   0.5805  
14-15 N/A   0.1661   0.2163   0.2172  
16-17 N/A   0.4187   0.7820   0.2462  
18-25 N/A   0.0447   0.0134   0.0698  
18-20 N/A   0.0208   0.0248   0.0270  
21-25 N/A   0.4072   0.1935   0.4731  
26 or Older N/A   0.2293   0.2006   0.2377  
GENDER
                
Male N/A   0.1164   0.2989   0.0909  
Female N/A   0.3476   0.3249   0.4088  
GENDER/AGE
               
Male 12-17 N/A   0.6205   0.6876   0.6643  
Female 12-17 N/A   0.2041   0.2232   0.4681  
70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 139 102 0.06 0.04 0.10 0.08 0.39 0.29
Marijuana and Hashish 121 79 0.05 0.03 0.08 0.05 0.46 0.31
Cocaine 50 60 0.02 0.02 0.02 0.03 0.92 0.97
Crack 30 31 0.01 0.01 0.01 0.01 2.22 2.19
Heroin 20 15 0.01 0.01 0.01 0.01 4.73 3.29
Hallucinogens 51 72 0.02 0.03 0.02 0.03 1.32 1.52
LSD 29 32 0.01 0.01 0.01 0.01 4.03 3.97
PCP 13 12 0.01 0.01 0.01 0.01 * *
Ecstasy 46 68 0.02 0.03 0.02 0.03 2.26 2.43
Inhalants 47 41 0.02 0.02 0.02 0.02 1.94 1.85
Nonmedical Use of Psychotherapeutics4 111 110 0.05 0.04 0.06 0.06 0.70 0.67
Pain Relievers 102 93 0.04 0.04 0.05 0.04 0.85 0.73
OxyContin® 63 50 0.03 0.02 0.03 0.02 3.49 3.25
Tranquilizers 88 67 0.04 0.03 0.04 0.03 1.55 1.31
Stimulants 48 69 0.02 0.03 0.02 0.03 1.62 1.89
Sedatives 40 46 0.02 0.02 0.02 0.02 4.53 4.39
ILLICIT DRUGS OTHER THAN MARIJUANA3
 112 102 0.05 0.04 0.06 0.06 0.55 0.48
CIGARETTES
 86 79 0.04 0.03 0.10 0.10 0.12 0.11
Daily Cigarette Use5 58 54 0.02 0.02 0.04 0.04 -- --
SMOKELESS TOBACCO
 58 71 0.02 0.03 0.03 0.04 0.56 0.62
CIGARS
 113 104 0.05 0.04 0.07 0.07 0.43 0.39
ALCOHOL
 108 107 0.04 0.04 0.25 0.24 0.07 0.07
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 N/A   0.3675   0.2838   0.2854  
Marijuana and Hashish N/A   0.5959   0.5503   0.7038  
Cocaine N/A   0.2303   0.2072   0.8166  
Crack N/A   0.7792   0.7703   0.9776  
Heroin N/A   0.4619   0.4639   0.0332  
Hallucinogens N/A   0.0811   0.0725   0.1136  
LSD N/A   0.6655   0.6535   0.5484  
PCP N/A   0.6144   0.6137   *  
Ecstasy N/A   0.0030   0.0029   0.0065  
Inhalants N/A   0.0929   0.0932   0.0671  
Nonmedical Use of Psychotherapeutics4 N/A   0.8894   0.8514   0.3691  
Pain Relievers N/A   0.6194   0.6434   0.1613  
OxyContin® N/A   1.0000   0.9855   0.5835  
Tranquilizers N/A   0.0958   0.0980   0.2149  
Stimulants N/A   0.0221   0.0208   0.5389  
Sedatives N/A   0.7781   0.7819   0.5060  
ILLICIT DRUGS OTHER THAN MARIJUANA3
 N/A   0.5900   0.6159   0.1810  
CIGARETTES
 N/A   0.2343   0.3387   0.2443  
Daily Cigarette Use5 N/A   0.3451   0.3481   --  
SMOKELESS TOBACCO
 N/A   0.0521   0.0498   0.2906  
CIGARS
 N/A   0.0357   0.0343   0.0753  
ALCOHOL
 N/A   0.7153   0.9739   0.5933  
70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 50 52 0.20 0.20 0.25 0.26 0.86 0.85
Marijuana and Hashish 44 47 0.17 0.19 0.20 0.21 1.07 1.14
Cocaine 23 21 0.09 0.08 0.09 0.09 3.04 3.23
Crack 7 8 0.03 0.03 0.03 0.03 * *
Heroin 5 7 0.02 0.03 0.02 0.03 * *
Hallucinogens 26 27 0.10 0.11 0.11 0.11 2.65 2.69
LSD 14 11 0.05 0.04 0.05 0.04 5.38 *
PCP 11 10 0.04 0.04 0.04 0.04 * *
Ecstasy 18 18 0.07 0.07 0.07 0.07 3.92 3.81
Inhalants 36 33 0.14 0.13 0.15 0.14 2.07 1.96
Nonmedical Use of Psychotherapeutics4 37 40 0.15 0.16 0.16 0.17 1.39 1.43
Pain Relievers 36 37 0.14 0.14 0.15 0.16 1.56 1.57
OxyContin® 14 15 0.06 0.06 0.06 0.06 4.34 4.30
Tranquilizers 21 20 0.08 0.08 0.08 0.08 3.04 3.29
Stimulants 21 25 0.08 0.10 0.08 0.10 3.13 3.02
Sedatives 10 9 0.04 0.04 0.04 0.04 * 5.77
ILLICIT DRUGS OTHER THAN MARIJUANA3
 44 44 0.18 0.17 0.21 0.20 1.15 1.13
CIGARETTES
 50 48 0.20 0.19 0.25 0.24 0.97 0.97
Daily Cigarette Use5 24 27 0.10 0.11 0.10 0.11 -- --
SMOKELESS TOBACCO
 34 31 0.13 0.12 0.14 0.13 2.10 1.80
CIGARS
 47 42 0.19 0.17 0.20 0.18 1.31 1.32
ALCOHOL
 69 68 0.27 0.27 0.38 0.36 0.72 0.73
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 N/A   0.6118   0.6224   0.8191  
Marijuana and Hashish N/A   0.4096   0.4425   0.1965  
Cocaine N/A   0.3998   0.4023   0.3460  
Crack N/A   0.4298   0.4289   *  
Heroin N/A   0.5020   0.5023   *  
Hallucinogens N/A   0.9328   0.9292   0.7893  
LSD N/A   0.1023   0.1008   *  
PCP N/A   0.3989   0.3959   *  
Ecstasy N/A   0.3729   0.3641   0.4375  
Inhalants N/A   0.4722   0.4499   0.6245  
Nonmedical Use of Psychotherapeutics4 N/A   0.2995   0.2702   0.4505  
Pain Relievers N/A   0.7203   0.6677   0.7215  
OxyContin® N/A   0.7058   0.6953   0.9753  
Tranquilizers N/A   0.2445   0.2450   0.2361  
Stimulants N/A   0.3178   0.3190   0.2003  
Sedatives N/A   0.8076   0.8093   *  
ILLICIT DRUGS OTHER THAN MARIJUANA3
 N/A   0.6109   0.6286   0.4774  
CIGARETTES
 N/A   0.7375   0.9255   0.4304  
Daily Cigarette Use5 N/A   0.1437   0.1512   --  
SMOKELESS TOBACCO
 N/A   0.3412   0.3513   0.7685  
CIGARS
 N/A   0.3412   0.3235   0.9600  
ALCOHOL
 N/A   0.5682   0.5406   0.8111  
70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 47 53 0.14 0.16 0.33 0.36 0.41 0.46
Marijuana and Hashish 45 46 0.14 0.14 0.28 0.28 0.48 0.49
Cocaine 35 40 0.11 0.12 0.13 0.14 1.40 1.60
Crack 21 18 0.06 0.05 0.07 0.06 4.42 4.47
Heroin 13 12 0.04 0.04 0.04 0.04 * *
Hallucinogens 32 40 0.10 0.12 0.12 0.15 1.40 1.57
LSD 16 22 0.05 0.07 0.06 0.07 4.04 4.38
PCP 6 8 0.02 0.02 0.02 0.02 * *
Ecstasy 28 41 0.08 0.12 0.10 0.14 2.23 2.42
Inhalants 24 21 0.08 0.06 0.09 0.07 2.89 3.08
Nonmedical Use of Psychotherapeutics4 43 47 0.13 0.14 0.18 0.20 0.81 0.87
Pain Relievers 43 45 0.13 0.14 0.17 0.18 0.96 1.01
OxyContin® 23 23 0.07 0.07 0.08 0.07 3.12 3.06
Tranquilizers 35 32 0.11 0.10 0.12 0.11 1.64 1.55
Stimulants 29 30 0.09 0.09 0.10 0.10 2.20 2.02
Sedatives 14 11 0.04 0.03 0.04 0.04 5.47 5.29
ILLICIT DRUGS OTHER THAN MARIJUANA3
 44 55 0.14 0.17 0.21 0.26 0.67 0.79
CIGARETTES
 46 52 0.14 0.16 0.38 0.42 0.30 0.34
Daily Cigarette Use5 33 36 0.10 0.11 0.15 0.16 -- --
SMOKELESS TOBACCO
 34 40 0.11 0.12 0.13 0.15 1.12 1.24
CIGARS
 58 54 0.18 0.17 0.29 0.27 0.70 0.63
ALCOHOL
 61 68 0.19 0.21 0.92 1.01 0.24 0.26
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 N/A   0.2624   0.3114   0.2778  
Marijuana and Hashish N/A   0.8172   0.8294   0.7986  
Cocaine N/A   0.2039   0.1897   0.1447  
Crack N/A   0.6557   0.6596   0.8469  
Heroin N/A   0.9839   0.9848   *  
Hallucinogens N/A   0.0745   0.1006   0.1029  
LSD N/A   0.0892   0.1085   0.2289  
PCP N/A   0.6839   0.6888   *  
Ecstasy N/A   0.0006   0.0009   0.0161  
Inhalants N/A   0.0939   0.0840   0.6023  
Nonmedical Use of Psychotherapeutics4 N/A   0.4813   0.5032   0.7296  
Pain Relievers N/A   0.8012   0.8062   0.7594  
OxyContin® N/A   0.8030   0.7968   0.8773  
Tranquilizers N/A   0.4528   0.4877   0.2991  
Stimulants N/A   0.4313   0.4536   0.7952  
Sedatives N/A   0.6685   0.6654   0.7237  
ILLICIT DRUGS OTHER THAN MARIJUANA3
 N/A   0.0770   0.0820   0.1144  
CIGARETTES
 N/A   0.0086   0.0273   0.0072  
Daily Cigarette Use5 N/A   0.2578   0.3686   --  
SMOKELESS TOBACCO
 N/A   0.2740   0.3215   0.3323  
CIGARS
 N/A   0.4252   0.4365   0.3876  
ALCOHOL
 N/A   0.0447   0.0134   0.0698  
70405
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, 2005 and 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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 115 68 0.06 0.04 0.11 0.07 0.60 0.35
Marijuana and Hashish 97 34 0.05 0.02 0.09 0.03 0.75 0.26
Cocaine 23 38 0.01 0.02 0.01 0.02 0.80 1.07
Crack 19 25 0.01 0.01 0.01 0.01 1.91 2.18
Heroin 15 6 0.01 0.00 0.01 0.00 * *
Hallucinogens 30 49 0.02 0.03 0.02 0.03 2.63 3.80
LSD 19 19 0.01 0.01 0.01 0.01 * *
PCP * * * * * * * *
Ecstasy 33 48 0.02 0.03 0.02 0.03 4.34 *
Inhalants 15 12 0.01 0.01 0.01 0.01 * *
Nonmedical Use of Psychotherapeutics4 96 91 0.05 0.05 0.06 0.06 1.11 0.97
Pain Relievers 84 73 0.05 0.04 0.05 0.04 1.34 1.05
OxyContin® 56 40 0.03 0.02 0.03 0.02 * *
Tranquilizers 78 55 0.04 0.03 0.05 0.03 2.39 1.91
Stimulants 30 58 0.02 0.03 0.02 0.03 2.55 3.31
Sedatives 37 44 0.02 0.02 0.02 0.02 * *
ILLICIT DRUGS OTHER THAN MARIJUANA3
 89 75 0.05 0.04 0.07 0.06 0.82 0.64
CIGARETTES
 40 30 0.02 0.02 0.08 0.06 0.08 0.06
Daily Cigarette Use5 42 33 0.02 0.02 0.04 0.03 -- --
SMOKELESS TOBACCO
 26 50 0.01 0.03 0.02 0.03 0.39 0.67
CIGARS
 86 77 0.05 0.04 0.07 0.07 0.51 0.46
ALCOHOL
 31 22 0.02 0.01 0.14 0.09 0.02 0.02
70405
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, 2006 Versus 2005
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
2005
 2006
 2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS3
 N/A   0.2022   0.1850   0.1754  
Marijuana and Hashish N/A   0.2119   0.2082   0.2155  
Cocaine N/A   0.1869   0.1820   0.3471  
Crack N/A   0.5950   0.5916   0.7223  
Heroin N/A   0.1397   0.1400   *  
Hallucinogens N/A   0.2152   0.2099   0.2102  
LSD N/A   0.9193   0.9139   *  
PCP N/A   *   *   *  
Ecstasy N/A   0.4027   0.3987   *  
Inhalants N/A   0.6006   0.6020   *  
Nonmedical Use of Psychotherapeutics4 N/A   0.5743   0.5888   0.2434  
Pain Relievers N/A   0.5751   0.5824   0.2705  
OxyContin® N/A   0.8365   0.8417   *  
Tranquilizers N/A   0.0546   0.0557   0.0857  
Stimulants N/A   0.0489   0.0478   0.2340  
Sedatives N/A   0.6994   0.7017   *  
ILLICIT DRUGS OTHER THAN MARIJUANA3
 N/A   0.1807   0.1849   0.0785  
CIGARETTES
 N/A   0.3174   0.3113   0.3148  
Daily Cigarette Use5 N/A   0.5826   0.5873   --  
SMOKELESS TOBACCO
 N/A   0.1319   0.1296   0.1701  
CIGARS
 N/A   0.1137   0.1107   0.1289  
ALCOHOL
 N/A   0.2293   0.2006   0.2377  
70405
Table 4.9C – Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Standard Errors of Numbers in Thousands, 2005 and 2006
Substance
 NUMBER OF PAST YEAR INITIATES (1,000s)1
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS2
 139 102 68 70 118 73
Marijuana and Hashish 121 79 57 51 104 54
Cocaine 50 60 38 42 29 40
Crack 30 31 18 26 23 18
Heroin 20 15 16 12 13 9
Hallucinogens 51 72 41 34 29 62
LSD 29 32 26 22 11 22
PCP 13 12 10 8 8 9
Ecstasy 46 68 36 32 28 57
Inhalants 47 41 32 30 33 28
Nonmedical Use of Psychotherapeutics3 111 110 65 70 90 85
Pain Relievers 102 93 63 67 79 66
OxyContin® 63 50 54 35 32 33
Tranquilizers 88 67 58 46 66 51
Stimulants 48 69 27 32 37 62
Sedatives 40 46 22 13 34 44
ILLICIT DRUGS OTHER THAN MARIJUANA2
 112 102 66 71 90 77
CIGARETTES
 86 79 58 55 59 58
Daily Cigarette Use4 58 54 43 42 41 36
SMOKELESS TOBACCO
 58 71 50 64 29 32
CIGARS
 113 104 79 74 85 78
ALCOHOL
 108 107 71 72 77 74
70405
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, 2005 and 2006
Substance
 NUMBER OF PAST YEAR INITIATES (1,000s)1
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS2
 57 58 40 40 40 42
Marijuana and Hashish 50 52 33 35 35 37
Cocaine 25 25 17 18 18 17
Crack 10 11 7 7 7 8
Heroin 6 8 3 7 5 5
Hallucinogens 30 30 22 22 19 21
LSD 15 12 13 9 8 8
PCP 11 10 9 7 7 7
Ecstasy 19 21 13 14 14 16
Inhalants 38 34 24 24 27 23
Nonmedical Use of Psychotherapeutics3 40 45 27 34 29 30
Pain Relievers 38 42 26 33 29 27
OxyContin® 17 18 12 11 12 13
Tranquilizers 23 23 17 14 16 18
Stimulants 23 26 14 16 18 20
Sedatives 10 10 7 8 7 7
ILLICIT DRUGS OTHER THAN MARIJUANA2
 48 50 34 36 34 35
CIGARETTES
 55 56 37 38 39 39
Daily Cigarette Use4 28 30 22 21 18 21
SMOKELESS TOBACCO
 37 36 32 32 17 15
CIGARS
 54 50 41 40 33 32
ALCOHOL
 82 80 54 53 58 56
70405
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, 2005 and 2006
Substance
 NUMBER OF PAST YEAR INITIATES (1,000s)1
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS2
 68 73 46 47 48 51
Marijuana and Hashish 63 66 42 42 43 45
Cocaine 36 40 25 29 23 27
Crack 16 18 13 14 9 11
Heroin 11 13 8 10 7 7
Hallucinogens 40 46 32 32 23 33
LSD 20 22 17 17 10 13
PCP 12 12 10 8 7 8
Ecstasy 30 41 23 29 19 29
Inhalants 42 38 29 28 28 25
Nonmedical Use of Psychotherapeutics3 53 56 35 42 38 39
Pain Relievers 50 53 34 40 37 34
OxyContin® 23 24 16 17 16 16
Tranquilizers 34 34 25 25 22 24
Stimulants 32 36 20 23 23 25
Sedatives 15 13 11 10 9 8
ILLICIT DRUGS OTHER THAN MARIJUANA2
 61 67 43 47 42 48
CIGARETTES
 70 72 48 51 47 49
Daily Cigarette Use4 40 42 30 31 26 28
SMOKELESS TOBACCO
 47 49 41 44 21 19
CIGARS
 74 69 54 54 48 42
ALCOHOL
 94 96 64 65 66 65
70405
Table 4.12C – Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Standard Errors of Numbers in Thousands, 2005 and 2006
Substance
 NUMBER OF PAST YEAR INITIATES (1,000s)1
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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, 2005 and 2006.
ILLICIT DRUGS2
 96 101 60 70 73 72
Marijuana and Hashish 73 78 48 51 54 53
Cocaine 48 59 35 42 29 39
Crack 30 29 18 26 23 15
Heroin 20 15 16 12 13 9
Hallucinogens 51 72 41 34 29 62
LSD 29 32 26 22 11 22
PCP 13 12 10 8 8 9
Ecstasy 46 67 36 32 28 56
Inhalants 47 41 32 29 32 28
Nonmedical Use of Psychotherapeutics3 97 109 63 70 73 84
Pain Relievers 86 91 58 65 63 65
OxyContin® 44 47 30 35 32 29
Tranquilizers 86 67 56 46 63 51
Stimulants 47 68 27 32 37 62
Sedatives 25 39 18 13 18 36
ILLICIT DRUGS OTHER THAN MARIJUANA2
 99 100 65 71 74 76
CIGARETTES
 84 79 57 54 58 57
Daily Cigarette Use4 58 53 43 40 40 36
SMOKELESS TOBACCO
 57 66 50 57 29 32
CIGARS
 108 94 79 70 76 66
ALCOHOL
 103 105 68 71 73 73
70405
Table 4.13D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2005 and 2006
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 1.69 0.43 1.16 0.72 2.78 0.50
Marijuana and Hashish 2.28 0.21 1.41 0.30 3.98 0.28
Cocaine 0.63 0.60 1.06 0.82 0.47 0.90
Crack 1.28 1.79 2.04 2.08 1.56 3.09
Heroin 1.55 1.49 1.58 1.23 2.48 3.21
Hallucinogens 0.42 0.67 0.62 0.15 0.51 1.11
LSD 0.78 0.72 1.01 0.69 0.51 1.33
PCP 0.40 0.62 0.33 0.57 0.73 0.97
Ecstasy 0.73 0.83 1.00 0.30 1.08 1.35
Inhalants 0.34 0.24 0.40 0.27 0.55 0.40
Nonmedical Use of Psychotherapeutics2 0.81 0.57 0.93 0.82 1.17 0.76
Pain Relievers 0.84 0.60 0.94 0.94 1.26 0.78
OxyContin® 2.78 1.33 4.48 1.40 1.94 2.33
Tranquilizers 0.88 0.63 1.37 1.10 1.17 0.77
Stimulants 0.64 1.16 0.89 1.13 0.90 1.50
Sedatives 4.60 3.20 5.78 1.81 5.92 3.71
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.74 0.50 0.67 0.76 1.14 0.66
CIGARETTES
 0.33 0.21 0.36 0.13 0.55 0.39
Daily Cigarette Use3 0.71 0.70 0.76 1.21 1.23 0.54
SMOKELESS TOBACCO
 0.46 1.20 0.54 1.51 0.89 1.18
CIGARS
 0.59 0.67 0.51 0.87 1.01 1.00
ALCOHOL
 0.25 0.11 0.31 0.11 0.37 0.20
70405
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: 2006 Versus 2005
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 0.0981   0.9716   0.0704  
Marijuana and Hashish 0.1590   0.2601   0.2486  
Cocaine 0.5749   0.8614   0.4196  
Crack 0.7349   0.5111   0.9860  
Heroin 0.4762   0.1861   0.9960  
Hallucinogens 0.2118   0.0269   0.0083  
LSD 0.2935   0.7355   0.0522  
PCP 0.8110   0.2391   0.7822  
Ecstasy 0.8030   0.0391   0.1588  
Inhalants 0.3125   0.1768   0.7543  
Nonmedical Use of Psychotherapeutics2 0.0643   0.4036   0.1109  
Pain Relievers 0.2157   0.9848   0.1449  
OxyContin® 0.4226   0.4088   0.8329  
Tranquilizers 0.0210   0.0990   0.1014  
Stimulants 0.0320   0.7194   0.0090  
Sedatives 0.3667   0.1604   0.4729  
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.0816   0.8395   0.0354  
CIGARETTES
 0.5646   0.1836   0.9454  
Daily Cigarette Use3 0.7234   0.6262   0.2564  
SMOKELESS TOBACCO
 0.1728   0.3143   0.1477  
CIGARS
 0.3612   0.8656   0.2243  
ALCOHOL
 0.4226   0.6089   0.5465  
70405
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: 2005 and 2006
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 0.06 0.06 0.08 0.09 0.08 0.07
Marijuana and Hashish 0.05 0.05 0.07 0.07 0.08 0.07
Cocaine 0.10 0.08 0.13 0.11 0.14 0.13
Crack 0.14 0.19 0.19 0.25 0.20 0.26
Heroin 0.43 0.35 * 0.29 0.44 0.41
Hallucinogens 0.09 0.09 0.12 0.11 0.12 0.14
LSD 0.18 0.27 0.21 0.34 0.29 0.39
PCP 0.23 0.28 0.18 0.55 0.37 0.24
Ecstasy 0.11 0.10 0.16 0.14 0.15 0.14
Inhalants 0.10 0.10 0.16 0.16 0.12 0.12
Nonmedical Use of Psychotherapeutics2 0.06 0.07 0.10 0.10 0.08 0.09
Pain Relievers 0.07 0.07 0.11 0.11 0.08 0.09
OxyContin® 0.13 0.14 0.19 0.15 0.19 0.21
Tranquilizers 0.09 0.11 0.14 0.17 0.12 0.14
Stimulants 0.10 0.11 0.17 0.18 0.13 0.15
Sedatives 0.25 0.26 0.48 0.44 0.28 0.27
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.07 0.07 0.11 0.10 0.08 0.09
CIGARETTES
 0.06 0.06 0.09 0.09 0.08 0.08
Daily Cigarette Use3 0.09 0.08 0.13 0.12 0.11 0.11
SMOKELESS TOBACCO
 0.09 0.07 0.10 0.08 0.17 0.18
CIGARS
 0.05 0.05 0.07 0.07 0.07 0.07
ALCOHOL
 0.04 0.04 0.06 0.06 0.05 0.05
70405
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: 2006 Versus 2005
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 0.0027   0.0208   0.0481  
Marijuana and Hashish 0.0524   0.1074   0.2357  
Cocaine 0.8881   0.5543   0.7027  
Crack 0.1583   0.4348   0.2427  
Heroin 0.1189   *   0.8813  
Hallucinogens 0.2300   0.4711   0.3376  
LSD 0.4005   0.6413   0.1586  
PCP 0.0274   0.0155   0.5417  
Ecstasy 0.0232   0.0811   0.1291  
Inhalants 0.1717   0.7120   0.1124  
Nonmedical Use of Psychotherapeutics2 0.5753   0.7340   0.4394  
Pain Relievers 0.4790   0.9605   0.5614  
OxyContin® 0.6865   0.5914   0.3371  
Tranquilizers 0.3374   0.8244   0.0912  
Stimulants 0.4490   0.7163   0.4273  
Sedatives 0.8141   0.2701   0.2968  
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.0394   0.2894   0.0809  
CIGARETTES
 0.2055   0.0830   0.9486  
Daily Cigarette Use3 0.9533   0.5481   0.4159  
SMOKELESS TOBACCO
 0.0691   0.0490   0.9265  
CIGARS
 0.2784   0.4533   0.3988  
ALCOHOL
 0.1070   0.4478   0.0013  
70405
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: 2005 and 2006
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 0.08 0.08 0.11 0.10 0.11 0.11
Marijuana and Hashish 0.07 0.08 0.10 0.09 0.10 0.10
Cocaine 0.11 0.10 0.14 0.12 0.17 0.15
Crack 0.16 0.18 0.24 0.18 0.29 0.34
Heroin 0.42 0.30 0.62 0.29 0.56 0.62
Hallucinogens 0.10 0.12 0.12 0.13 0.16 0.22
LSD 0.20 0.25 0.21 0.28 0.40 0.42
PCP 0.28 0.38 0.33 0.57 0.42 0.48
Ecstasy 0.14 0.13 0.19 0.15 0.19 0.23
Inhalants 0.13 0.12 0.20 0.20 0.15 0.14
Nonmedical Use of Psychotherapeutics2 0.09 0.08 0.13 0.11 0.12 0.12
Pain Relievers 0.09 0.09 0.13 0.11 0.12 0.13
OxyContin® 0.18 0.15 0.25 0.19 0.24 0.24
Tranquilizers 0.12 0.12 0.17 0.17 0.16 0.17
Stimulants 0.14 0.15 0.22 0.22 0.17 0.19
Sedatives 0.31 0.34 0.55 0.57 0.37 0.37
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.09 0.09 0.13 0.12 0.11 0.14
CIGARETTES
 0.07 0.07 0.11 0.10 0.09 0.11
Daily Cigarette Use3 0.10 0.09 0.13 0.13 0.15 0.14
SMOKELESS TOBACCO
 0.11 0.09 0.13 0.10 0.22 0.22
CIGARS
 0.06 0.06 0.08 0.07 0.09 0.10
ALCOHOL
 0.05 0.05 0.08 0.07 0.07 0.07
70405
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: 2006 Versus 2005
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 0.0248   0.0985   0.1220  
Marijuana and Hashish 0.5211   0.5808   0.6767  
Cocaine 0.2311   0.4635   0.3092  
Crack 0.2667   0.3887   0.5694  
Heroin 0.6404   0.6401   0.8888  
Hallucinogens 0.0751   0.6259   0.0326  
LSD 0.0186   0.0163   0.1294  
PCP 0.7113   0.2974   0.5078  
Ecstasy 0.1047   0.2184   0.2544  
Inhalants 0.8123   0.1846   0.1860  
Nonmedical Use of Psychotherapeutics2 0.7675   0.2238   0.1842  
Pain Relievers 0.6445   0.3446   0.9521  
OxyContin® 0.1689   0.8335   0.0683  
Tranquilizers 0.0792   0.3024   0.1282  
Stimulants 0.9375   0.4896   0.5080  
Sedatives 0.5886   0.4618   0.9410  
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.0709   0.4435   0.0792  
CIGARETTES
 0.0140   0.0222   0.2541  
Daily Cigarette Use3 0.6840   0.6608   0.9291  
SMOKELESS TOBACCO
 0.2781   0.2017   0.8726  
CIGARS
 0.9753   0.4740   0.4441  
ALCOHOL
 0.0158   0.2941   0.0200  
70405
Table 4.16D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2005 and 2006
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 0.39 0.42 0.53 0.70 0.56 0.50
Marijuana and Hashish 0.22 0.21 0.27 0.30 0.33 0.28
Cocaine 0.38 0.51 0.56 0.82 0.47 0.58
Crack 1.28 1.46 2.04 2.08 1.56 1.45
Heroin 1.55 1.49 1.58 1.23 2.48 3.21
Hallucinogens 0.42 0.67 0.62 0.15 0.51 1.11
LSD 0.78 0.72 1.01 0.69 0.51 1.33
PCP 0.40 0.62 0.33 0.57 0.73 0.97
Ecstasy 0.73 0.76 1.00 0.30 1.08 1.26
Inhalants 0.34 0.24 0.40 0.27 0.55 0.40
Nonmedical Use of Psychotherapeutics2 0.52 0.56 0.75 0.81 0.70 0.76
Pain Relievers 0.47 0.57 0.67 0.86 0.63 0.76
OxyContin® 1.11 0.94 1.10 1.40 1.94 1.18
Tranquilizers 0.84 0.62 1.28 1.10 1.11 0.74
Stimulants 0.64 1.16 0.89 1.13 0.90 1.50
Sedatives 1.58 1.78 2.09 1.62 2.19 1.91
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.47 0.49 0.67 0.74 0.66 0.65
CIGARETTES
 0.33 0.21 0.36 0.13 0.55 0.39
Daily Cigarette Use3 0.71 0.53 0.76 0.88 1.23 0.54
SMOKELESS TOBACCO
 0.45 0.51 0.52 0.55 0.89 1.15
CIGARS
 0.45 0.42 0.51 0.59 0.73 0.59
ALCOHOL
 0.11 0.11 0.14 0.11 0.16 0.20
70405
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: 2006 Versus 2005
Substance
 MEAN AGE
Total
 Male
 Female
2005
 2006
 2005
 2006
 2005
 2006
*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 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.
3 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, 2005 and 2006.
ILLICIT DRUGS1
 0.5522   0.1555   0.5780  
Marijuana and Hashish 0.9230   0.3131   0.4946  
Cocaine 0.2975   0.2353   0.9044  
Crack 0.8047   0.5111   0.1388  
Heroin 0.4762   0.1861   0.9960  
Hallucinogens 0.2118   0.0269   0.0083  
LSD 0.2935   0.7355   0.0522  
PCP 0.8110   0.2391   0.7822  
Ecstasy 0.9399   0.0549   0.3124  
Inhalants 0.3125   0.1768   0.7543  
Nonmedical Use of Psychotherapeutics2 0.3760   0.6665   0.1288  
Pain Relievers 0.3231   0.7265   0.2791  
OxyContin® 0.6784   0.4398   0.2044  
Tranquilizers 0.1111   0.1855   0.3214  
Stimulants 0.0320   0.7194   0.0090  
Sedatives 0.1275   0.2636   0.0443  
ILLICIT DRUGS OTHER THAN MARIJUANA1
 0.7718   0.9872   0.6639  
CIGARETTES
 0.5646   0.1836   0.9454  
Daily Cigarette Use3 0.3532   0.8654   0.2564  
SMOKELESS TOBACCO
 0.3335   0.6677   0.2226  
CIGARS
 0.0359   0.2281   0.0881  
ALCOHOL
 0.2203   0.5279   0.2711  

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