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100505
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, 2008 and 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*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.
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 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, 2008 and 2009.
TOTAL 106 118 0.04 0.05 0.08 0.09 0.30 0.31
AGE                
12-25 76 77 0.13 0.13 0.21 0.22 0.45 0.45
12-17 53 52 0.21 0.21 0.27 0.27 0.96 0.89
12-13 23 20 0.28 0.26 0.31 0.29 2.59 2.67
14-15 32 36 0.37 0.39 0.45 0.48 1.69 1.62
16-17 38 38 0.40 0.42 0.57 0.59 1.20 1.22
18-25 52 57 0.16 0.17 0.33 0.37 0.46 0.47
18-20 44 52 0.31 0.35 0.57 0.64 0.81 0.87
21-25 34 29 0.17 0.14 0.39 0.35 0.52 0.41
26 or Older 69 85 0.04 0.04 0.07 0.08 0.35 0.40
GENDER                
Male 67 79 0.06 0.06 0.11 0.13 0.34 0.36
Female 83 87 0.06 0.07 0.11 0.11 0.52 0.53
GENDER/AGE                
Male 12-17 36 38 0.28 0.31 0.35 0.38 1.27 1.30
Female 12-17 37 36 0.30 0.30 0.38 0.37 1.37 1.32
100505
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, 2009 Versus 2008
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
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.
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 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, 2008 and 2009.
TOTAL   N/A   0.2000   0.1967   0.8424  
AGE                
12-25   N/A   0.0619   0.0219   0.7270  
12-17   N/A   0.0938   0.0915   0.1897  
12-13   N/A   0.2501   0.2519   0.4488  
14-15   N/A   0.0067   0.0087   0.0187  
16-17   N/A   0.5747   0.4963   0.7850  
18-25   N/A   0.2349   0.1128   0.8316  
18-20   N/A   0.0318   0.0168   0.1011  
21-25   N/A   0.2615   0.3825   0.0781  
26 or Older   N/A   0.9434   0.9543   0.8880  
GENDER                
Male   N/A   0.0691   0.0527   0.5372  
Female   N/A   0.8648   0.9165   0.9373  
GENDER/AGE                
Male 12-17   N/A   0.0230   0.0141   0.0947  
Female 12-17   N/A   0.9184   0.9651   0.8427  
100505
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, 2008 and 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*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 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, 2008 and 2009.
TOTAL 88 79 0.04 0.03 0.06 0.05 0.34 0.28
AGE                
12-25 69 73 0.12 0.12 0.17 0.19 0.53 0.51
12-17 49 48 0.19 0.20 0.22 0.22 1.18 1.13
12-13 15 12 0.19 0.16 0.19 0.16 5.10 5.72
14-15 31 35 0.35 0.39 0.39 0.43 2.22 2.09
16-17 34 36 0.37 0.40 0.47 0.51 1.34 1.39
18-25 49 55 0.15 0.16 0.28 0.32 0.52 0.51
18-20 41 51 0.29 0.35 0.48 0.58 0.90 0.97
21-25 31 26 0.15 0.13 0.32 0.28 0.59 0.43
26 or Older 45 15 0.02 0.01 0.04 0.01 0.33 0.10
GENDER                
Male 55 58 0.05 0.05 0.08 0.09 0.37 0.34
Female 67 52 0.05 0.04 0.08 0.06 0.62 0.48
GENDER/AGE                
Male 12-17 34 37 0.27 0.29 0.30 0.34 1.58 1.56
Female 12-17 33 32 0.27 0.26 0.30 0.29 1.74 1.66
100505
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, 2009 Versus 2008
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
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 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, 2008 and 2009.
TOTAL   N/A   0.2576   0.2084   0.5115  
AGE                
12-25   N/A   0.0126   0.0039   0.6069  
12-17   N/A   0.1248   0.1218   0.3425  
12-13   N/A   0.0757   0.0774   0.3649  
14-15   N/A   0.0117   0.0140   0.0347  
16-17   N/A   0.7509   0.6865   0.9151  
18-25   N/A   0.0331   0.0125   0.3649  
18-20   N/A   0.0053   0.0024   0.0310  
21-25   N/A   0.5745   0.7491   0.1743  
26 or Older   N/A   0.0181   0.0184   0.0127  
GENDER                
Male   N/A   0.0843   0.0471   0.9192  
Female   N/A   0.9609   0.9290   0.5711  
GENDER/AGE                
Male 12-17   N/A   0.0128   0.0108   0.1377  
Female 12-17   N/A   0.6793   0.6412   0.9330  
100505
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, 2008 and 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*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 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, 2008 and 2009.
TOTAL 89 90 0.04 0.04 0.10 0.10 0.13 0.13
AGE                
12-25 79 78 0.14 0.13 0.23 0.23 0.40 0.39
12-17 49 49 0.19 0.20 0.24 0.24 1.08 1.13
12-13 18 20 0.22 0.26 0.24 0.27 3.82 4.17
14-15 30 30 0.35 0.34 0.41 0.40 1.92 1.97
16-17 34 38 0.38 0.42 0.55 0.58 1.30 1.46
18-25 58 60 0.17 0.18 0.44 0.44 0.38 0.38
18-20 52 57 0.36 0.39 0.73 0.74 0.78 0.83
21-25 31 26 0.15 0.13 0.45 0.39 0.33 0.28
26 or Older 31 35 0.02 0.02 0.05 0.06 0.06 0.07
GENDER                
Male 59 62 0.05 0.05 0.16 0.16 0.16 0.17
Female 65 62 0.05 0.05 0.13 0.12 0.20 0.19
GENDER/AGE                
Male 12-17 30 36 0.24 0.29 0.29 0.34 1.42 1.52
Female 12-17 38 34 0.31 0.28 0.37 0.33 1.63 1.58
100505
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, 2009 Versus 2008
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
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 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, 2008 and 2009.
TOTAL   N/A   0.4743   0.6664   0.2715  
AGE                
12-25   N/A   0.5901   0.6887   0.7696  
12-17   N/A   0.9328   0.9363   0.9664  
12-13   N/A   0.8412   0.8147   0.8779  
14-15   N/A   0.9738   0.9053   0.4595  
16-17   N/A   0.9136   0.9021   0.6093  
18-25   N/A   0.4611   0.6056   0.4944  
18-20   N/A   0.1874   0.4542   0.1263  
21-25   N/A   0.2390   0.2848   0.1965  
26 or Older   N/A   0.4681   0.4938   0.4266  
GENDER                
Male   N/A   0.4678   0.5934   0.2778  
Female   N/A   0.7774   0.9301   0.6551  
GENDER/AGE                
Male 12-17   N/A   0.2177   0.2126   0.7161  
Female 12-17   N/A   0.3006   0.2043   0.8738  
100505
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, 2008 and 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*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 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, 2008 and 2009.
TOTAL 115 112 0.05 0.04 0.24 0.25 0.07 0.07
AGE                
12-25 93 94 0.16 0.16 0.36 0.37 0.28 0.28
12-17 63 69 0.25 0.28 0.34 0.38 0.71 0.79
12-13 26 28 0.32 0.36 0.35 0.39 2.61 2.70
14-15 44 47 0.48 0.50 0.64 0.65 1.33 1.36
16-17 47 53 0.50 0.57 0.87 0.96 0.92 1.04
18-25 68 66 0.21 0.20 0.94 0.90 0.26 0.25
18-20 60 55 0.42 0.38 1.20 1.13 0.58 0.53
21-25 40 42 0.20 0.20 1.46 1.47 0.24 0.24
26 or Older 50 34 0.03 0.02 0.20 0.14 0.04 0.03
GENDER                
Male 78 73 0.06 0.06 0.41 0.39 0.09 0.09
Female 83 81 0.06 0.06 0.30 0.31 0.11 0.10
GENDER/AGE                
Male 12-17 46 46 0.36 0.37 0.49 0.51 1.06 1.07
Female 12-17 45 47 0.37 0.39 0.50 0.52 0.99 1.08
100505
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, 2009 Versus 2008
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
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 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, 2008 and 2009.
TOTAL   N/A   0.7110   0.2499   0.9446  
AGE                
12-25   N/A   0.2912   0.2208   0.4698  
12-17   N/A   0.1499   0.2445   0.0280  
12-13   N/A   0.1822   0.2010   0.0368  
14-15   N/A   0.8644   0.7799   0.7531  
16-17   N/A   0.2301   0.4622   0.0886  
18-25   N/A   0.7707   0.6412   0.9146  
18-20   N/A   0.6969   0.8870   0.5822  
21-25   N/A   0.3997   0.3273   0.4696  
26 or Older   N/A   0.2416   0.2995   0.2316  
GENDER                
Male   N/A   0.7476   0.6790   0.8751  
Female   N/A   0.8396   0.2939   0.9520  
GENDER/AGE                
Male 12-17   N/A   0.2392   0.1577   0.5313  
Female 12-17   N/A   0.3715   0.8251   0.0087  
100505
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, 2008 and 2009
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3 106 118 0.04 0.05 0.08 0.09 0.30 0.31
Marijuana and Hashish 88 79 0.04 0.03 0.06 0.05 0.34 0.28
Cocaine 51 47 0.02 0.02 0.02 0.02 1.00 0.99
Crack 34 15 0.01 0.01 0.01 0.01 2.88 1.66
Heroin 23 30 0.01 0.01 0.01 0.01 4.71 5.22
Hallucinogens 59 66 0.02 0.03 0.03 0.03 1.43 1.34
LSD 30 28 0.01 0.01 0.01 0.01 3.00 2.94
PCP 10 9 0.00 0.00 0.00 0.00 * *
Ecstasy 57 68 0.02 0.03 0.02 0.03 2.13 2.13
Inhalants 43 48 0.02 0.02 0.02 0.02 2.42 2.25
Nonmedical Use of Psychotherapeutics3,4 105 120 0.04 0.05 0.05 0.06 0.69 0.71
Pain Relievers 93 99 0.04 0.04 0.04 0.05 0.80 0.77
OxyContin® 36 55 0.01 0.02 0.01 0.02 2.47 2.73
Tranquilizers 72 95 0.03 0.04 0.03 0.04 1.36 1.59
Stimulants3 49 56 0.02 0.02 0.02 0.02 1.84 1.77
Sedatives 32 29 0.01 0.01 0.01 0.01 4.22 3.38
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		 103 119 0.04 0.05 0.06 0.07 0.51 0.56
CIGARETTES 89 90 0.04 0.04 0.10 0.10 0.13 0.13
Daily Cigarette Use5 57 66 0.02 0.03 0.04 0.04 -- --
SMOKELESS TOBACCO 82 67 0.03 0.03 0.04 0.03 0.68 0.58
CIGARS 104 122 0.04 0.05 0.06 0.07 0.39 0.47
ALCOHOL 115 112 0.05 0.04 0.24 0.25 0.07 0.07
100505
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, 2009 Versus 2008
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3   N/A   0.2000   0.1967   0.8424  
Marijuana and Hashish   N/A   0.2576   0.2084   0.5115  
Cocaine   N/A   0.1139   0.1102   0.5457  
Crack   N/A   0.0027   0.0027   0.0047  
Heroin   N/A   0.0799   0.0804   0.5261  
Hallucinogens   N/A   0.1294   0.1160   0.2011  
LSD   N/A   0.1474   0.1471   0.1746  
PCP   N/A   0.4876   0.4831   *  
Ecstasy   N/A   0.0173   0.0152   0.4681  
Inhalants   N/A   0.2228   0.2255   0.3085  
Nonmedical Use of Psychotherapeutics3,4   N/A   0.8255   0.8634   0.6049  
Pain Relievers   N/A   0.9103   0.9058   0.4796  
OxyContin®   N/A   0.1179   0.1118   0.5745  
Tranquilizers   N/A   0.4519   0.4513   0.8635  
Stimulants3   N/A   0.1801   0.1766   0.9432  
Sedatives   N/A   0.9411   0.9461   0.2335  
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		   N/A   0.5651   0.6022   0.8675  
CIGARETTES   N/A   0.4743   0.6664   0.2715  
Daily Cigarette Use5   N/A   0.0415   0.0725   --  
SMOKELESS TOBACCO   N/A   0.6201   0.6905   0.7960  
CIGARS   N/A   0.1603   0.1667   0.1834  
ALCOHOL   N/A   0.7110   0.2499   0.9446  
100505
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, 2008 and 2009
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3 53 52 0.21 0.21 0.27 0.27 0.96 0.89
Marijuana and Hashish 49 48 0.19 0.20 0.22 0.22 1.18 1.13
Cocaine 20 17 0.08 0.07 0.08 0.07 3.86 4.45
Crack 5 5 0.02 0.02 0.02 0.02 * *
Heroin 11 5 0.04 0.02 0.04 0.02 * *
Hallucinogens 30 30 0.12 0.12 0.12 0.13 2.44 2.65
LSD 16 12 0.07 0.05 0.07 0.05 3.39 4.66
PCP 8 7 0.03 0.03 0.03 0.03 * *
Ecstasy 23 25 0.09 0.10 0.10 0.10 3.60 3.17
Inhalants 31 31 0.12 0.13 0.13 0.14 2.29 2.29
Nonmedical Use of Psychotherapeutics3,4 41 40 0.17 0.16 0.18 0.18 1.62 1.58
Pain Relievers 40 38 0.16 0.15 0.17 0.17 1.73 1.69
OxyContin® 14 16 0.06 0.07 0.06 0.07 3.76 4.01
Tranquilizers 22 20 0.09 0.08 0.09 0.08 2.98 2.75
Stimulants3 21 18 0.08 0.07 0.08 0.07 3.49 3.42
Sedatives 11 12 0.05 0.05 0.05 0.05 * *
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		 48 46 0.19 0.19 0.22 0.22 1.37 1.29
CIGARETTES 49 49 0.19 0.20 0.24 0.24 1.08 1.13
Daily Cigarette Use5 23 23 0.09 0.09 0.10 0.10 -- --
SMOKELESS TOBACCO 34 33 0.14 0.14 0.14 0.14 1.83 1.74
CIGARS 43 43 0.17 0.17 0.19 0.19 1.44 1.48
ALCOHOL 63 69 0.25 0.28 0.34 0.38 0.71 0.79
100505
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, 2009 Versus 2008
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3   N/A   0.0938   0.0915   0.1897  
Marijuana and Hashish   N/A   0.1248   0.1218   0.3425  
Cocaine   N/A   0.0546   0.0541   0.4436  
Crack   N/A   0.8900   0.8916   *  
Heroin   N/A   0.3334   0.3334   *  
Hallucinogens   N/A   0.8886   0.9089   0.1114  
LSD   N/A   0.0505   0.0511   0.3361  
PCP   N/A   0.2741   0.2745   *  
Ecstasy   N/A   0.0683   0.0690   0.4166  
Inhalants   N/A   0.2680   0.2815   0.0770  
Nonmedical Use of Psychotherapeutics3,4   N/A   0.5724   0.6111   0.4660  
Pain Relievers   N/A   0.6679   0.7054   0.3395  
OxyContin®   N/A   0.8641   0.8556   0.8454  
Tranquilizers   N/A   0.9932   1.0000   0.5951  
Stimulants3   N/A   0.9844   0.9955   0.6387  
Sedatives   N/A   0.6733   0.6713   *  
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		   N/A   0.7553   0.7903   0.5981  
CIGARETTES   N/A   0.9328   0.9363   0.9664  
Daily Cigarette Use5   N/A   0.2299   0.2275   --  
SMOKELESS TOBACCO   N/A   0.2226   0.2152   0.5353  
CIGARS   N/A   0.7493   0.7663   0.0786  
ALCOHOL   N/A   0.1499   0.2445   0.0280  
100505
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, 2008 and 2009
Substance NUMBER OF PAST YEAR
INITIATES
(1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3 52 57 0.16 0.17 0.33 0.37 0.46 0.47
Marijuana and Hashish 49 55 0.15 0.16 0.28 0.32 0.52 0.51
Cocaine 33 32 0.10 0.09 0.11 0.11 1.59 1.56
Crack 15 11 0.05 0.03 0.05 0.03 5.15 5.25
Heroin 11 12 0.03 0.03 0.03 0.04 5.49 5.03
Hallucinogens 38 45 0.12 0.14 0.14 0.16 1.52 1.55
LSD 23 25 0.07 0.07 0.07 0.08 3.49 3.37
PCP 6 6 0.02 0.02 0.02 0.02 * *
Ecstasy 37 42 0.11 0.12 0.13 0.14 2.23 2.16
Inhalants 24 28 0.07 0.08 0.08 0.09 3.51 3.40
Nonmedical Use of Psychotherapeutics3,4 50 52 0.15 0.15 0.21 0.21 0.91 0.91
Pain Relievers 45 47 0.14 0.14 0.18 0.18 1.01 1.02
OxyContin® 22 23 0.07 0.07 0.07 0.07 2.96 2.48
Tranquilizers 31 36 0.09 0.11 0.11 0.12 1.51 1.76
Stimulants3 28 31 0.09 0.09 0.09 0.10 2.36 2.14
Sedatives 13 14 0.04 0.04 0.04 0.04 * *
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		 49 55 0.15 0.16 0.22 0.25 0.72 0.75
CIGARETTES 58 60 0.17 0.18 0.44 0.44 0.38 0.38
Daily Cigarette Use5 35 38 0.11 0.11 0.15 0.16 -- --
SMOKELESS TOBACCO 39 42 0.12 0.13 0.15 0.16 1.21 1.14
CIGARS 53 61 0.16 0.18 0.26 0.29 0.66 0.73
ALCOHOL 68 66 0.21 0.20 0.94 0.90 0.26 0.25
100505
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, 2009 Versus 2008
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3   N/A   0.2349   0.1128   0.8316  
Marijuana and Hashish   N/A   0.0331   0.0125   0.3649  
Cocaine   N/A   0.3899   0.4196   0.6109  
Crack   N/A   0.1276   0.1296   0.4664  
Heroin   N/A   0.2078   0.2038   0.4577  
Hallucinogens   N/A   0.0858   0.0669   0.5371  
LSD   N/A   0.7923   0.8117   0.7020  
PCP   N/A   0.8898   0.8926   *  
Ecstasy   N/A   0.1936   0.1904   0.6753  
Inhalants   N/A   0.8251   0.8102   0.4047  
Nonmedical Use of Psychotherapeutics3,4   N/A   0.7778   0.7811   0.9197  
Pain Relievers   N/A   0.8716   0.8600   0.9039  
OxyContin®   N/A   0.2590   0.2332   0.4977  
Tranquilizers   N/A   0.5744   0.5420   0.4879  
Stimulants3   N/A   0.1123   0.1109   0.3384  
Sedatives   N/A   0.7746   0.7746   *  
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		   N/A   0.2010   0.1760   0.5053  
CIGARETTES   N/A   0.4611   0.6056   0.4944  
Daily Cigarette Use5   N/A   0.3136   0.3782   --  
SMOKELESS TOBACCO   N/A   0.2294   0.2114   0.9671  
CIGARS   N/A   0.1406   0.1447   0.2286  
ALCOHOL   N/A   0.7707   0.6412   0.9146  
100505
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, 2008 and 2009
Substance NUMBER OF PAST YEAR
INITIATES
(1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3 69 85 0.04 0.04 0.07 0.08 0.35 0.40
Marijuana and Hashish 45 15 0.02 0.01 0.04 0.01 0.33 0.10
Cocaine 33 29 0.02 0.01 0.02 0.02 1.04 1.01
Crack 30 10 0.02 0.01 0.02 0.01 3.34 1.23
Heroin 17 27 0.01 0.01 0.01 0.01 * *
Hallucinogens 32 34 0.02 0.02 0.02 0.02 3.42 2.45
LSD 12 * 0.01 * 0.01 * * *
PCP * * * * * * * *
Ecstasy 36 42 0.02 0.02 0.02 0.02 * 4.22
Inhalants 11 24 0.01 0.01 0.01 0.01 * *
Nonmedical Use of Psychotherapeutics3,4 81 100 0.04 0.05 0.05 0.06 0.94 1.07
Pain Relievers 71 76 0.04 0.04 0.04 0.05 1.10 1.08
OxyContin® 25 47 0.01 0.02 0.01 0.02 3.81 *
Tranquilizers 60 86 0.03 0.04 0.03 0.05 1.99 2.45
Stimulants3 33 41 0.02 0.02 0.02 0.02 2.95 2.80
Sedatives 26 22 0.01 0.01 0.01 0.01 * *
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		 75 93 0.04 0.05 0.06 0.07 0.67 0.79
CIGARETTES 31 35 0.02 0.02 0.05 0.06 0.06 0.07
Daily Cigarette Use5 37 49 0.02 0.03 0.03 0.04 -- --
SMOKELESS TOBACCO 64 36 0.03 0.02 0.04 0.02 0.82 0.48
CIGARS 76 91 0.04 0.05 0.06 0.08 0.45 0.55
ALCOHOL 50 34 0.03 0.02 0.20 0.14 0.04 0.03
100505
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, 2009 Versus 2008
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2008 2009 2008 2009 2008 2009 2008 2009
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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, 2008 and 2009.
ILLICIT DRUGS2,3   N/A   0.9434   0.9543   0.8880  
Marijuana and Hashish   N/A   0.0181   0.0184   0.0127  
Cocaine   N/A   0.6317   0.6263   0.8214  
Crack   N/A   0.0079   0.0079   0.0059  
Heroin   N/A   0.0747   0.0750   *  
Hallucinogens   N/A   0.4244   0.4211   0.9025  
LSD   N/A   *   *   *  
PCP   N/A   *   *   *  
Ecstasy   N/A   0.2121   0.2071   *  
Inhalants   N/A   0.2667   0.2672   *  
Nonmedical Use of Psychotherapeutics3,4   N/A   0.6865   0.7067   0.9721  
Pain Relievers   N/A   0.8034   0.8082   0.9431  
OxyContin®   N/A   0.2425   0.2401   *  
Tranquilizers   N/A   0.5536   0.5558   0.8593  
Stimulants3   N/A   0.5034   0.5002   0.9788  
Sedatives   N/A   0.7966   0.7943   *  
ILLICIT DRUGS OTHER
THAN MARIJUANA2,3		   N/A   0.8150   0.8367   0.9926  
CIGARETTES   N/A   0.4681   0.4938   0.4266  
Daily Cigarette Use5   N/A   0.1714   0.1934   --  
SMOKELESS TOBACCO   N/A   0.3500   0.3371   0.3816  
CIGARS   N/A   0.2671   0.2725   0.2334  
ALCOHOL   N/A   0.2416   0.2995   0.2316  
100505
Table 4.9C – Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Standard Errors of Numbers in Thousands, 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 106 118 67 79 83 87
Marijuana and Hashish 88 79 55 58 67 52
Cocaine 51 47 39 32 33 34
Crack 34 15 26 13 23 9
Heroin 23 30 21 20 9 22
Hallucinogens 59 66 48 55 35 36
LSD 30 28 28 22 15 16
PCP 10 9 7 6 6 7
Ecstasy 57 68 42 53 38 39
Inhalants 43 48 32 37 26 28
Nonmedical Use of Psychotherapeutics2,3 105 120 61 79 84 90
Pain Relievers 93 99 61 71 72 67
OxyContin® 36 55 28 48 23 26
Tranquilizers 72 95 38 65 63 71
Stimulants2 49 56 27 41 39 38
Sedatives 32 29 11 22 30 18
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 103 119 70 77 78 90
CIGARETTES 89 90 59 62 65 62
Daily Cigarette Use4 57 66 39 43 41 49
SMOKELESS TOBACCO 82 67 59 59 56 32
CIGARS 104 122 71 86 77 87
ALCOHOL 115 112 78 73 83 81
100505
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, 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 61 61 41 44 42 40
Marijuana and Hashish 55 56 38 41 37 36
Cocaine 23 19 17 13 14 14
Crack 6 5 3 4 5 4
Heroin 11 8 9 7 6 3
Hallucinogens 32 34 25 25 21 21
LSD 18 14 14 10 11 9
PCP 8 7 6 4 5 6
Ecstasy 24 28 16 21 19 19
Inhalants 33 33 23 21 23 25
Nonmedical Use of Psychotherapeutics2,3 45 45 30 31 33 32
Pain Relievers 44 43 30 29 30 32
OxyContin® 16 18 13 13 10 13
Tranquilizers 25 25 17 18 18 17
Stimulants2 22 21 13 14 19 15
Sedatives 12 13 8 10 9 8
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 52 52 36 36 37 36
CIGARETTES 55 58 34 42 42 40
Daily Cigarette Use4 26 29 20 20 16 19
SMOKELESS TOBACCO 37 36 31 33 16 15
CIGARS 51 52 40 42 33 29
ALCOHOL 77 84 53 56 52 55
100505
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, 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 76 79 52 57 51 52
Marijuana and Hashish 67 74 46 55 46 47
Cocaine 34 30 27 24 20 17
Crack 13 9 11 7 8 5
Heroin 14 10 12 9 7 5
Hallucinogens 42 49 34 40 26 28
LSD 25 24 22 20 14 13
PCP 9 9 6 6 6 6
Ecstasy 35 43 27 35 24 26
Inhalants 40 39 29 26 25 27
Nonmedical Use of Psychotherapeutics2,3 63 61 42 42 42 43
Pain Relievers 58 56 40 39 38 40
OxyContin® 20 25 17 20 13 15
Tranquilizers 34 35 25 26 23 24
Stimulants2 31 34 20 25 22 22
Sedatives 14 16 9 12 11 10
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 68 68 49 50 45 46
CIGARETTES 78 80 52 57 56 52
Daily Cigarette Use4 41 43 30 29 27 29
SMOKELESS TOBACCO 48 52 41 45 23 24
CIGARS 69 72 53 57 42 43
ALCOHOL 92 98 67 67 64 65
100505
Table 4.12C – Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Standard Errors of Numbers in Thousands, 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 100 89 66 61 75 64
Marijuana and Hashish 88 77 55 57 67 52
Cocaine 52 47 39 32 33 34
Crack 34 15 26 13 23 9
Heroin 23 30 21 20 9 22
Hallucinogens 59 65 47 54 36 35
LSD 30 28 28 22 15 16
PCP 10 9 7 6 6 7
Ecstasy 57 67 42 52 37 38
Inhalants 43 47 32 37 26 28
Nonmedical Use of Psychotherapeutics2,3 97 93 59 62 75 68
Pain Relievers 86 89 60 63 62 61
OxyContin® 36 49 28 42 23 26
Tranquilizers 69 65 36 45 60 48
Stimulants2 48 56 27 41 39 38
Sedatives 25 25 11 22 22 12
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 96 91 67 59 70 68
CIGARETTES 88 88 59 62 64 61
Daily Cigarette Use4 56 63 39 43 40 46
SMOKELESS TOBACCO 67 65 58 56 33 32
CIGARS 90 110 66 83 63 74
ALCOHOL 108 106 77 71 74 76
100505
Table 4.13D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.62 1.02 0.45 1.50 1.03 1.39
Marijuana and Hashish 0.37 0.13 0.32 0.10 0.62 0.23
Cocaine 0.44 0.42 0.43 0.46 0.84 0.71
Crack 1.69 0.67 2.31 0.87 2.32 0.98
Heroin 3.23 1.43 4.33 1.28 1.05 2.19
Hallucinogens 0.34 0.31 0.37 0.41 0.66 0.44
LSD 0.31 0.21 0.40 0.21 0.32 0.43
PCP 0.61 0.80 1.14 0.48 0.50 1.66
Ecstasy 0.66 0.39 0.88 0.56 1.01 0.48
Inhalants 0.27 0.68 0.44 1.17 0.25 0.33
Nonmedical Use of Psychotherapeutics2,3 0.74 1.16 0.72 1.91 1.10 1.44
Pain Relievers 0.79 0.73 0.69 1.10 1.28 0.97
OxyContin® 1.06 1.70 1.76 2.57 1.09 1.46
Tranquilizers 1.12 2.01 1.20 3.38 1.61 2.42
Stimulants2 0.83 0.72 0.65 0.76 1.29 1.13
Sedatives 3.78 2.64 3.37 1.64 4.82 5.37
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.67 1.10 0.63 1.70 1.10 1.44
CIGARETTES 0.26 0.26 0.26 0.35 0.45 0.38
Daily Cigarette Use4 0.79 0.82 1.05 0.89 1.17 1.33
SMOKELESS TOBACCO 1.14 0.57 0.73 0.73 3.41 0.57
CIGARS 0.71 0.77 0.74 0.64 1.24 1.50
ALCOHOL 0.40 0.19 0.19 0.12 0.74 0.35
100505
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: 2009 Versus 2008
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.4602   0.3265   0.7873  
Marijuana and Hashish 0.0245   0.0222   0.1803  
Cocaine 0.8435   0.9349   0.7839  
Crack 0.0003   0.0173   0.0034  
Heroin 0.5678   0.4755   0.0000  
Hallucinogens 0.4804   0.3845   0.9093  
LSD 0.9396   0.2849   0.0359  
PCP 0.3381   0.6301   0.4165  
Ecstasy 0.6673   0.9403   0.4095  
Inhalants 0.2456   0.2690   0.3366  
Nonmedical Use of Psychotherapeutics2,3 0.3272   0.2076   0.7770  
Pain Relievers 0.8641   0.2633   0.3397  
OxyContin® 0.2082   0.1495   0.9046  
Tranquilizers 0.3100   0.2702   0.6203  
Stimulants2 0.8836   0.7318   0.9264  
Sedatives 0.5617   0.9234   0.8060  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.3488   0.4220   0.6017  
CIGARETTES 0.6796   0.8893   0.5268  
Daily Cigarette Use4 0.3684   0.9061   0.3014  
SMOKELESS TOBACCO 0.4478   1.0000   0.3095  
CIGARS 0.3603   0.7893   0.2899  
ALCOHOL 0.1706   0.2159   0.2732  
100505
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: 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.06 0.05 0.08 0.08 0.08 0.07
Marijuana and Hashish 0.06 0.05 0.08 0.07 0.08 0.07
Cocaine 0.10 0.14 0.13 0.16 0.14 0.23
Crack 0.27 0.41 0.40 0.36 0.37 0.62
Heroin 0.25 0.23 0.20 0.27 0.47 0.39
Hallucinogens 0.09 0.08 0.12 0.10 0.14 0.12
LSD 0.12 0.13 0.13 0.18 0.23 0.21
PCP 0.39 0.36 0.62 0.40 0.34 0.40
Ecstasy 0.12 0.10 0.12 0.12 0.17 0.15
Inhalants 0.11 0.10 0.17 0.16 0.14 0.14
Nonmedical Use of Psychotherapeutics2,3 0.06 0.06 0.08 0.09 0.09 0.09
Pain Relievers 0.06 0.07 0.08 0.09 0.10 0.10
OxyContin® 0.12 0.11 0.19 0.15 0.17 0.15
Tranquilizers 0.09 0.09 0.14 0.15 0.12 0.11
Stimulants2 0.12 0.15 0.15 0.21 0.17 0.22
Sedatives 0.26 0.24 0.41 0.30 0.34 0.38
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.07 0.06 0.10 0.09 0.09 0.09
CIGARETTES 0.06 0.06 0.07 0.08 0.09 0.08
Daily Cigarette Use4 0.10 0.08 0.12 0.10 0.16 0.14
SMOKELESS TOBACCO 0.06 0.08 0.07 0.09 0.13 0.15
CIGARS 0.06 0.05 0.07 0.07 0.09 0.09
ALCOHOL 0.04 0.04 0.06 0.06 0.06 0.05
100505
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: 2009 Versus 2008
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.2852   0.4473   0.5404  
Marijuana and Hashish 0.5525   0.8974   0.5334  
Cocaine 0.3414   0.1712   0.9644  
Crack 0.1687   0.6073   0.1807  
Heroin 0.0672   0.3763   0.1280  
Hallucinogens 0.5878   0.4863   0.8576  
LSD 0.8035   0.1868   0.2100  
PCP 0.9042   0.0473   0.0224  
Ecstasy 0.8170   0.1123   0.4651  
Inhalants 0.3856   0.2727   0.9254  
Nonmedical Use of Psychotherapeutics2,3 0.6117   0.7575   0.3455  
Pain Relievers 0.9828   0.8519   0.9633  
OxyContin® 0.2368   0.2041   0.4875  
Tranquilizers 0.9247   0.7446   0.8200  
Stimulants2 0.4302   0.0821   0.9138  
Sedatives 0.9205   0.8820   0.8068  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.7080   0.4814   0.8642  
CIGARETTES 0.4938   0.3726   0.0905  
Daily Cigarette Use4 0.0598   0.3604   0.1086  
SMOKELESS TOBACCO 0.4461   0.8713   0.1666  
CIGARS 0.2618   0.2115   0.8445  
ALCOHOL 0.6500   0.5141   0.1924  
100505
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: 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.07 0.07 0.10 0.09 0.10 0.10
Marijuana and Hashish 0.07 0.07 0.10 0.09 0.10 0.10
Cocaine 0.11 0.14 0.14 0.16 0.17 0.23
Crack 0.21 0.43 0.26 0.53 0.31 0.56
Heroin 0.30 0.24 0.36 0.29 0.46 0.40
Hallucinogens 0.10 0.10 0.12 0.12 0.17 0.15
LSD 0.14 0.16 0.15 0.20 0.30 0.28
PCP 0.50 0.52 0.86 0.48 0.50 0.71
Ecstasy 0.12 0.11 0.13 0.14 0.19 0.17
Inhalants 0.16 0.16 0.25 0.21 0.18 0.23
Nonmedical Use of Psychotherapeutics2,3 0.08 0.08 0.10 0.11 0.12 0.12
Pain Relievers 0.09 0.09 0.11 0.11 0.13 0.14
OxyContin® 0.14 0.13 0.21 0.17 0.21 0.19
Tranquilizers 0.11 0.12 0.16 0.16 0.16 0.17
Stimulants2 0.15 0.17 0.18 0.22 0.20 0.25
Sedatives 0.33 0.32 0.48 0.41 0.45 0.51
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.09 0.08 0.11 0.11 0.12 0.13
CIGARETTES 0.07 0.07 0.10 0.09 0.10 0.11
Daily Cigarette Use4 0.10 0.09 0.11 0.12 0.16 0.14
SMOKELESS TOBACCO 0.09 0.09 0.10 0.10 0.19 0.18
CIGARS 0.06 0.06 0.08 0.08 0.09 0.10
ALCOHOL 0.05 0.05 0.07 0.08 0.07 0.07
100505
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: 2009 Versus 2008
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.0936   0.3461   0.1779  
Marijuana and Hashish 0.0348   0.4454   0.0253  
Cocaine 0.3572   0.0919   0.5217  
Crack 0.4416   0.8315   0.1368  
Heroin 0.1228   0.8425   0.0123  
Hallucinogens 0.0786   0.0167   0.8841  
LSD 0.4766   0.7797   0.3680  
PCP 0.7346   0.1259   0.1001  
Ecstasy 0.3916   0.5200   0.3759  
Inhalants 0.8250   0.6089   0.6595  
Nonmedical Use of Psychotherapeutics2,3 0.1199   0.6515   0.0915  
Pain Relievers 0.3863   0.2457   0.8045  
OxyContin® 0.2515   0.0218   0.3475  
Tranquilizers 0.7942   0.6781   0.9611  
Stimulants2 0.0989   0.4236   0.1479  
Sedatives 0.9031   0.5716   0.8350  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.0592   0.0601   0.4196  
CIGARETTES 0.4064   0.3942   0.0535  
Daily Cigarette Use4 0.7308   0.8612   0.7578  
SMOKELESS TOBACCO 0.4125   0.5411   0.5170  
CIGARS 0.8655   0.3863   0.1529  
ALCOHOL 0.7078   0.7490   0.4075  
100505
Table 4.16D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2008 and 2009
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.40 0.19 0.42 0.19 0.64 0.33
Marijuana and Hashish 0.35 0.13 0.24 0.10 0.62 0.23
Cocaine 0.44 0.42 0.43 0.46 0.84 0.71
Crack 1.69 0.67 2.31 0.87 2.32 0.98
Heroin 3.23 1.43 4.33 1.28 1.05 2.19
Hallucinogens 0.34 0.31 0.37 0.41 0.66 0.44
LSD 0.31 0.21 0.40 0.21 0.32 0.43
PCP 0.61 0.80 1.14 0.48 0.50 1.66
Ecstasy 0.61 0.39 0.88 0.56 0.82 0.48
Inhalants 0.25 0.68 0.40 1.17 0.25 0.33
Nonmedical Use of Psychotherapeutics2,3 0.51 0.43 0.63 0.56 0.73 0.62
Pain Relievers 0.49 0.45 0.69 0.59 0.69 0.66
OxyContin® 1.08 1.28 1.77 1.97 1.08 1.46
Tranquilizers 0.77 0.64 0.88 0.84 1.06 0.89
Stimulants2 0.83 0.72 0.65 0.76 1.29 1.13
Sedatives 1.77 1.03 3.37 1.16 2.03 1.93
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.44 0.33 0.54 0.26 0.67 0.56
CIGARETTES 0.26 0.26 0.26 0.34 0.45 0.38
Daily Cigarette Use4 0.79 0.70 1.04 0.89 1.17 1.07
SMOKELESS TOBACCO 0.50 0.42 0.62 0.52 0.69 0.57
CIGARS 0.38 0.45 0.49 0.57 0.58 0.69
ALCOHOL 0.16 0.13 0.19 0.12 0.25 0.22
100505
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: 2009 Versus 2008
Substance Total
(2008)		 Total
(2009)		 Male
(2008)		 Male
(2009)		 Female
(2008)		 Female
(2009)
*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, 2008 and 2009.
ILLICIT DRUGS1,2 0.0048   0.0512   0.0360  
Marijuana and Hashish 0.0420   0.0318   0.1803  
Cocaine 0.8435   0.9349   0.7839  
Crack 0.0003   0.0173   0.0034  
Heroin 0.5678   0.4755   0.0000  
Hallucinogens 0.4804   0.3845   0.9093  
LSD 0.9396   0.2849   0.0359  
PCP 0.3381   0.6301   0.4165  
Ecstasy 0.9675   0.9403   0.7969  
Inhalants 0.1852   0.2019   0.3366  
Nonmedical Use of Psychotherapeutics2,3 0.1069   0.3906   0.1898  
Pain Relievers 0.5679   0.5308   0.8190  
OxyContin® 0.7320   0.7036   0.9854  
Tranquilizers 0.0544   0.7930   0.0459  
Stimulants2 0.8836   0.7318   0.9264  
Sedatives 0.3461   0.7849   0.4245  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.0412   0.0372   0.2416  
CIGARETTES 0.7285   0.8016   0.5268  
Daily Cigarette Use4 0.5431   0.8104   0.5530  
SMOKELESS TOBACCO 0.9681   0.8666   0.7295  
CIGARS 0.2121   0.4128   0.2422  
ALCOHOL 0.6601   0.2159   0.7288  

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