130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	115	106	0.04	0.04	0.08	0.08	0.30	0.26
AGE
12-25	80	79	0.13	0.13	0.22	0.22	0.44	0.46
12-17	52	52	0.21	0.21	0.26	0.25	0.88	0.99
12-13	22	20	0.27	0.25	0.29	0.27	2.89	2.88
14-15	34	33	0.38	0.38	0.46	0.45	1.61	1.81
16-17	36	34	0.40	0.38	0.57	0.54	1.12	1.19
18-25	60	59	0.18	0.17	0.38	0.36	0.47	0.46
18-20	57	54	0.38	0.35	0.71	0.64	0.89	0.84
21-25	30	33	0.14	0.15	0.34	0.37	0.43	0.44
26 or Older	73	63	0.04	0.03	0.07	0.06	0.34	0.26
GENDER
Male	62	75	0.05	0.06	0.10	0.12	0.28	0.32
Female	95	69	0.07	0.05	0.12	0.09	0.57	0.40
GENDER/AGE
Male 12-17	37	36	0.29	0.28	0.36	0.35	1.25	1.41
Female 12-17	40	35	0.33	0.29	0.40	0.35	1.39	1.38

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	N/A		0.1393		0.2807		0.0049
AGE
12-25	N/A		0.1122		0.1378		0.0594
12-17	N/A		0.0511		0.0335		0.3153
12-13	N/A		0.6463		0.5855		0.6856
14-15	N/A		0.0306		0.0246		0.6871
16-17	N/A		0.5527		0.5214		0.5747
18-25	N/A		0.7229		0.9253		0.4253
18-20	N/A		0.3156		0.4398		0.1836
21-25	N/A		0.2132		0.1754		0.3538
26 or Older	N/A		0.7267		0.7983		0.4276
GENDER
Male	N/A		0.6818		0.9682		0.1864
Female	N/A		0.1055		0.1423		0.0078
GENDER/AGE
Male 12-17	N/A		0.5567		0.4112		0.6754
Female 12-17	N/A		0.0276		0.0261		0.0598

130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	97	96	0.04	0.04	0.06	0.06	0.33	0.31
AGE
12-25	79	77	0.13	0.13	0.20	0.19	0.51	0.52
12-17	53	49	0.21	0.20	0.24	0.22	1.17	1.18
12-13	16	16	0.21	0.20	0.21	0.20	5.24	4.99
14-15	35	30	0.39	0.34	0.43	0.38	2.10	2.26
16-17	37	34	0.41	0.39	0.55	0.51	1.34	1.31
18-25	61	57	0.18	0.17	0.35	0.32	0.54	0.52
18-20	57	52	0.38	0.34	0.66	0.57	0.99	0.93
21-25	26	30	0.13	0.14	0.27	0.30	0.44	0.47
26 or Older	49	53	0.02	0.03	0.04	0.05	0.31	0.30
GENDER
Male	61	73	0.05	0.06	0.09	0.11	0.34	0.37
Female	74	60	0.06	0.04	0.09	0.07	0.61	0.49
GENDER/AGE
Male 12-17	37	34	0.29	0.27	0.34	0.31	1.52	1.61
Female 12-17	37	33	0.30	0.27	0.34	0.31	1.79	1.68

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	N/A		0.0722		0.1423		0.0072
AGE
12-25	N/A		0.0436		0.0577		0.0210
12-17	N/A		0.1054		0.1004		0.4111
12-13	N/A		0.8593		0.8641		0.7676
14-15	N/A		0.0083		0.0089		0.1916
16-17	N/A		0.9122		0.9222		0.8745
18-25	N/A		0.2030		0.2544		0.1053
18-20	N/A		0.1245		0.1428		0.0718
21-25	N/A		0.6671		0.6157		0.8579
26 or Older	N/A		0.9194		0.9605		0.7458
GENDER
Male	N/A		0.4281		0.6130		0.1189
Female	N/A		0.0726		0.1101		0.0229
GENDER/AGE
Male 12-17	N/A		0.1920		0.1726		0.6096
Female 12-17	N/A		0.3040		0.3170		0.4833

130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	86	89	0.03	0.03	0.09	0.09	0.13	0.13
AGE
12-25	76	79	0.13	0.13	0.21	0.21	0.41	0.45
12-17	46	43	0.18	0.17	0.22	0.20	1.11	1.20
12-13	18	13	0.23	0.16	0.24	0.17	4.46	4.34
14-15	27	27	0.31	0.31	0.36	0.35	2.23	2.23
16-17	34	33	0.38	0.37	0.52	0.48	1.37	1.49
18-25	59	65	0.17	0.19	0.40	0.40	0.40	0.46
18-20	56	62	0.36	0.41	0.67	0.70	0.83	1.02
21-25	26	28	0.12	0.13	0.34	0.34	0.28	0.30
26 or Older	25	28	0.01	0.01	0.04	0.04	0.05	0.06
GENDER
Male	63	59	0.05	0.05	0.16	0.14	0.17	0.16
Female	56	61	0.04	0.05	0.10	0.11	0.18	0.20
GENDER/AGE
Male 12-17	34	31	0.27	0.24	0.32	0.28	1.58	1.67
Female 12-17	31	30	0.25	0.25	0.29	0.28	1.61	1.73

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	N/A		0.5025		0.2797		0.4988
AGE
12-25	N/A		0.3750		0.1710		1.0000
12-17	N/A		0.0290		0.0153		0.7742
12-13	N/A		0.0190		0.0186		0.0346
14-15	N/A		0.6859		0.5840		0.3517
16-17	N/A		0.1864		0.0995		0.8371
18-25	N/A		0.6613		0.9450		0.3886
18-20	N/A		0.7996		0.7961		0.2872
21-25	N/A		0.2697		0.4127		0.2271
26 or Older	N/A		0.4747		0.5087		0.4970
GENDER
Male	N/A		0.8581		0.6174		0.6798
Female	N/A		0.4180		0.2712		0.6132
GENDER/AGE
Male 12-17	N/A		0.1655		0.1215		0.8919
Female 12-17	N/A		0.1009		0.0684		0.7860

130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	124	130	0.05	0.05	0.26	0.26	0.07	0.08
AGE
12-25	106	105	0.18	0.18	0.37	0.38	0.33	0.31
12-17	69	72	0.28	0.29	0.36	0.37	0.84	0.85
12-13	27	25	0.32	0.30	0.35	0.32	2.92	2.92
14-15	45	49	0.48	0.54	0.61	0.65	1.47	1.56
16-17	51	46	0.56	0.50	0.89	0.81	1.05	0.97
18-25	80	77	0.23	0.22	0.93	0.90	0.30	0.29
18-20	70	71	0.46	0.45	1.16	1.20	0.69	0.65
21-25	47	46	0.22	0.21	1.50	1.37	0.26	0.25
26 or Older	32	56	0.02	0.03	0.13	0.23	0.02	0.04
GENDER
Male	82	86	0.07	0.07	0.42	0.40	0.10	0.10
Female	85	89	0.06	0.07	0.30	0.30	0.10	0.11
GENDER/AGE
Male 12-17	49	48	0.38	0.37	0.50	0.48	1.22	1.21
Female 12-17	48	49	0.39	0.40	0.51	0.52	1.13	1.19

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
TOTAL	N/A		0.3780		0.5250		0.2686
AGE
12-25	N/A		0.1391		0.0774		0.1819
12-17	N/A		0.0850		0.0263		0.7218
12-13	N/A		0.1569		0.1268		0.6868
14-15	N/A		0.7180		0.4816		0.6802
16-17	N/A		0.1847		0.0788		0.5428
18-25	N/A		0.6975		0.8535		0.6343
18-20	N/A		1.0000		0.9398		0.9807
21-25	N/A		0.7184		0.8170		0.6801
26 or Older	N/A		0.1193		0.1080		0.1258
GENDER
Male	N/A		0.8871		0.6363		0.8123
Female	N/A		0.2458		0.5269		0.1662
GENDER/AGE
Male 12-17	N/A		0.4118		0.1856		0.7669
Female 12-17	N/A		0.0866		0.0533		0.4019

130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	115	106	0.04	0.04	0.08	0.08	0.30	0.26
Marijuana and Hashish	97	96	0.04	0.04	0.06	0.06	0.33	0.31
Cocaine	48	48	0.02	0.02	0.02	0.02	1.27	1.06
Crack	14	16	0.01	0.01	0.01	0.01	2.37	1.92
Heroin	26	23	0.01	0.01	0.01	0.01	4.32	3.71
Hallucinogens	58	58	0.02	0.02	0.03	0.03	1.40	1.36
LSD	30	41	0.01	0.02	0.01	0.02	2.98	3.39
PCP	10	21	0.00	0.01	0.00	0.01	*	*
Ecstasy	59	60	0.02	0.02	0.02	0.02	2.08	2.08
Inhalants	47	42	0.02	0.02	0.02	0.02	2.46	2.81
Nonmedical Use of Psychotherapeutics3,4	118	124	0.05	0.05	0.06	0.06	0.76	0.74
Pain Relievers	102	99	0.04	0.04	0.05	0.04	0.87	0.79
OxyContin®	49	39	0.02	0.01	0.02	0.02	2.66	2.54
Tranquilizers	90	115	0.03	0.04	0.04	0.05	1.57	1.72
Stimulants3	59	62	0.02	0.02	0.02	0.03	2.18	1.89
Sedatives	29	29	0.01	0.01	0.01	0.01	5.09	4.57
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	109	104	0.04	0.04	0.06	0.06	0.57	0.51
CIGARETTES	86	89	0.03	0.03	0.09	0.09	0.13	0.13
Daily Cigarette Use5	55	53	0.02	0.02	0.03	0.03	--	--
SMOKELESS TOBACCO6	75	53	0.03	0.02	0.04	0.02	0.61	0.46
CIGARS	143	108	0.06	0.04	0.08	0.06	0.54	0.43
ALCOHOL	124	130	0.05	0.05	0.26	0.26	0.07	0.08

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	N/A		0.1393		0.2807		0.0049
Marijuana and Hashish	N/A		0.0722		0.1423		0.0072
Cocaine	N/A		0.5811		0.5951		0.0258
Crack	N/A		0.7246		0.7166		0.3238
Heroin	N/A		0.5047		0.5093		0.3438
Hallucinogens	N/A		0.3590		0.4023		0.1204
LSD	N/A		0.2326		0.2283		0.8531
PCP	N/A		0.0707		0.0702		*
Ecstasy	N/A		0.4633		0.5041		0.1041
Inhalants	N/A		0.0244		0.0261		0.2674
Nonmedical Use of Psychotherapeutics3,4	N/A		0.6327		0.5082		0.2265
Pain Relievers	N/A		0.8546		0.9708		0.1107
OxyContin®	N/A		0.0588		0.0614		0.2273
Tranquilizers	N/A		0.1572		0.1411		0.9805
Stimulants3	N/A		0.9973		0.9783		0.0927
Sedatives	N/A		0.8956		0.8913		0.7548
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	N/A		0.7927		0.9312		0.0460
CIGARETTES	N/A		0.5025		0.2797		0.4988
Daily Cigarette Use5	N/A		0.1455		0.1824		--
SMOKELESS TOBACCO6	N/A		0.0007		0.0007		0.0003
CIGARS	N/A		0.3710		0.3469		0.2427
ALCOHOL	N/A		0.3780		0.5250		0.2686

130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	52	52	0.21	0.21	0.26	0.25	0.88	0.99
Marijuana and Hashish	53	49	0.21	0.20	0.24	0.22	1.17	1.18
Cocaine	16	16	0.07	0.06	0.07	0.06	4.34	5.08
Crack	5	8	0.02	0.03	0.02	0.03	*	*
Heroin	10	7	0.04	0.03	0.04	0.03	*	*
Hallucinogens	28	26	0.11	0.10	0.11	0.11	2.71	2.74
LSD	16	15	0.07	0.06	0.07	0.06	4.38	3.70
PCP	7	11	0.03	0.04	0.03	0.04	*	*
Ecstasy	24	20	0.10	0.08	0.10	0.08	3.39	3.86
Inhalants	30	25	0.12	0.10	0.13	0.10	2.42	2.72
Nonmedical Use of Psychotherapeutics3,4	35	35	0.14	0.14	0.15	0.15	1.59	1.76
Pain Relievers	32	32	0.13	0.13	0.14	0.14	1.71	1.99
OxyContin®	15	13	0.06	0.05	0.06	0.05	3.69	4.77
Tranquilizers	25	26	0.10	0.10	0.10	0.10	2.93	3.15
Stimulants3	19	18	0.07	0.07	0.08	0.07	4.04	3.53
Sedatives	10	8	0.04	0.03	0.04	0.03	*	*
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	41	43	0.16	0.17	0.19	0.19	1.30	1.49
CIGARETTES	46	43	0.18	0.17	0.22	0.20	1.11	1.20
Daily Cigarette Use5	22	22	0.09	0.09	0.09	0.09	--	--
SMOKELESS TOBACCO6	31	27	0.13	0.11	0.13	0.11	2.03	2.04
CIGARS	41	38	0.17	0.15	0.18	0.16	1.61	1.58
ALCOHOL	69	72	0.28	0.29	0.36	0.37	0.84	0.85

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	N/A		0.0511		0.0335		0.3153
Marijuana and Hashish	N/A		0.1054		0.1004		0.4111
Cocaine	N/A		0.2417		0.2371		0.6767
Crack	N/A		0.9151		0.9131		*
Heroin	N/A		0.1580		0.1582		*
Hallucinogens	N/A		0.1201		0.1156		0.9652
LSD	N/A		0.9390		0.9358		0.4316
PCP	N/A		0.1964		0.1961		*
Ecstasy	N/A		0.0012		0.0012		0.7472
Inhalants	N/A		0.0007		0.0005		0.1283
Nonmedical Use of Psychotherapeutics3,4	N/A		0.6193		0.6139		0.5774
Pain Relievers	N/A		0.1956		0.1907		0.8116
OxyContin®	N/A		0.2468		0.2440		0.8999
Tranquilizers	N/A		0.6349		0.6401		0.8540
Stimulants3	N/A		0.5799		0.5850		0.8652
Sedatives	N/A		0.4335		0.4371		*
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	N/A		0.0996		0.0713		0.9317
CIGARETTES	N/A		0.0290		0.0153		0.7742
Daily Cigarette Use5	N/A		0.0229		0.0212		--
SMOKELESS TOBACCO6	N/A		0.0243		0.0241		0.4131
CIGARS	N/A		0.0345		0.0260		0.8300
ALCOHOL	N/A		0.0850		0.0263		0.7218

130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	60	59	0.18	0.17	0.38	0.36	0.47	0.46
Marijuana and Hashish	61	57	0.18	0.17	0.35	0.32	0.54	0.52
Cocaine	38	37	0.11	0.11	0.12	0.12	1.96	1.91
Crack	9	11	0.03	0.03	0.03	0.03	*	*
Heroin	17	16	0.05	0.05	0.05	0.05	5.37	4.91
Hallucinogens	42	42	0.12	0.12	0.15	0.14	1.55	1.64
LSD	23	33	0.07	0.10	0.07	0.10	3.45	3.87
PCP	8	8	0.02	0.02	0.02	0.02	*	*
Ecstasy	37	41	0.11	0.12	0.12	0.13	2.15	2.26
Inhalants	32	26	0.09	0.07	0.10	0.08	4.07	4.13
Nonmedical Use of Psychotherapeutics3,4	50	53	0.15	0.15	0.19	0.20	1.02	1.06
Pain Relievers	44	43	0.13	0.12	0.16	0.15	1.18	1.16
OxyContin®	22	21	0.06	0.06	0.07	0.06	2.89	3.20
Tranquilizers	33	39	0.10	0.11	0.11	0.13	1.78	1.96
Stimulants3	29	39	0.08	0.11	0.09	0.12	2.36	2.54
Sedatives	13	10	0.04	0.03	0.04	0.03	*	*
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	54	52	0.16	0.15	0.23	0.22	0.83	0.79
CIGARETTES	59	65	0.17	0.19	0.40	0.40	0.40	0.46
Daily Cigarette Use5	37	39	0.11	0.11	0.15	0.15	--	--
SMOKELESS TOBACCO6	43	36	0.12	0.10	0.15	0.13	1.19	1.04
CIGARS	58	61	0.17	0.18	0.26	0.27	0.73	0.75
ALCOHOL	80	77	0.23	0.22	0.93	0.90	0.30	0.29

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	N/A		0.7229		0.9253		0.4253
Marijuana and Hashish	N/A		0.2030		0.2544		0.1053
Cocaine	N/A		0.5944		0.5958		0.4368
Crack	N/A		0.5208		0.5253		*
Heroin	N/A		0.8077		0.8146		0.2551
Hallucinogens	N/A		0.6732		0.6847		0.9129
LSD	N/A		0.3283		0.3330		0.4070
PCP	N/A		0.3811		0.3817		*
Ecstasy	N/A		0.4857		0.4540		0.3411
Inhalants	N/A		0.9232		0.8946		0.7138
Nonmedical Use of Psychotherapeutics3,4	N/A		0.6205		0.7336		0.1253
Pain Relievers	N/A		0.9605		0.9300		0.6938
OxyContin®	N/A		0.1499		0.1486		0.3479
Tranquilizers	N/A		0.3452		0.3286		0.8979
Stimulants3	N/A		0.7685		0.7357		0.0687
Sedatives	N/A		0.5868		0.5843		*
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	N/A		0.5268		0.6462		0.2564
CIGARETTES	N/A		0.6613		0.9450		0.3886
Daily Cigarette Use5	N/A		0.4431		0.3751		--
SMOKELESS TOBACCO6	N/A		0.0555		0.0529		0.0980
CIGARS	N/A		0.5883		0.6915		0.4058
ALCOHOL	N/A		0.6975		0.8535		0.6343

130404

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, 2011 and 2012

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	73	63	0.04	0.03	0.07	0.06	0.34	0.26
Marijuana and Hashish	49	53	0.02	0.03	0.04	0.05	0.31	0.30
Cocaine	22	26	0.01	0.01	0.01	0.02	1.04	0.90
Crack	9	8	0.00	0.00	0.00	0.00	*	*
Heroin	17	15	0.01	0.01	0.01	0.01	*	*
Hallucinogens	28	27	0.01	0.01	0.02	0.02	2.59	1.76
LSD	8	16	0.00	0.01	0.00	0.01	*	*
PCP	*	16	*	0.01	*	0.01	*	*
Ecstasy	40	37	0.02	0.02	0.02	0.02	*	3.79
Inhalants	17	18	0.01	0.01	0.01	0.01	*	*
Nonmedical Use of Psychotherapeutics3,4	92	103	0.05	0.05	0.06	0.06	1.03	0.98
Pain Relievers	84	77	0.04	0.04	0.05	0.04	1.27	0.97
OxyContin®	41	29	0.02	0.01	0.02	0.01	4.73	3.88
Tranquilizers	76	102	0.04	0.05	0.04	0.06	2.23	2.39
Stimulants3	46	44	0.02	0.02	0.03	0.02	3.55	2.91
Sedatives	24	26	0.01	0.01	0.01	0.01	*	*
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	79	78	0.04	0.04	0.06	0.06	0.74	0.61
CIGARETTES	25	28	0.01	0.01	0.04	0.04	0.05	0.06
Daily Cigarette Use5	32	27	0.02	0.01	0.03	0.02	--	--
SMOKELESS TOBACCO6	48	27	0.02	0.01	0.03	0.02	0.63	0.34
CIGARS	119	72	0.06	0.04	0.09	0.06	0.75	0.44
ALCOHOL	32	56	0.02	0.03	0.13	0.23	0.02	0.04

130404

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, 2012 Versus 2011

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
	2011	2012	2011	2012	2011	2012	2011	2012
*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 new methamphetamine initiation items added in 2007 or new 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. 6 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS2,3	N/A		0.7267		0.7983		0.4276
Marijuana and Hashish	N/A		0.9194		0.9605		0.7458
Cocaine	N/A		0.5761		0.5725		0.9448
Crack	N/A		0.9754		0.9800		*
Heroin	N/A		0.9820		0.9842		*
Hallucinogens	N/A		0.7262		0.7152		0.7808
LSD	N/A		0.2997		0.2986		*
PCP	N/A		*		*		*
Ecstasy	N/A		0.9664		0.9537		*
Inhalants	N/A		0.9724		0.9778		*
Nonmedical Use of Psychotherapeutics3,4	N/A		0.2820		0.2486		0.8778
Pain Relievers	N/A		0.7474		0.6990		0.5882
OxyContin®	N/A		0.3392		0.3439		0.4262
Tranquilizers	N/A		0.1577		0.1484		0.6264
Stimulants3	N/A		0.6714		0.6793		0.3520
Sedatives	N/A		0.4850		0.4829		*
ILLICIT DRUGS OTHER THAN MARIJUANA2,3	N/A		0.2879		0.2604		0.9088
CIGARETTES	N/A		0.4747		0.5087		0.4970
Daily Cigarette Use5	N/A		0.8959		0.8666		--
SMOKELESS TOBACCO6	N/A		0.0523		0.0518		0.0352
CIGARS	N/A		0.6030		0.5967		0.4727
ALCOHOL	N/A		0.1193		0.1080		0.1258

130404

Table 4.9C – Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Standard Errors of Numbers in Thousands, 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	115	106	62	75	95	69
Marijuana and Hashish	97	96	61	73	74	60
Cocaine	48	48	34	36	31	35
Crack	14	16	10	11	9	11
Heroin	26	23	17	20	20	12
Hallucinogens	58	58	45	42	38	39
LSD	30	41	22	32	18	19
PCP	10	21	9	19	5	10
Ecstasy	59	60	45	44	39	40
Inhalants	47	42	32	30	32	29
Nonmedical Use of Psychotherapeutics2,3	118	124	57	75	99	98
Pain Relievers	102	99	49	69	87	69
OxyContin®	49	39	37	27	32	28
Tranquilizers	90	115	46	56	77	101
Stimulants2	59	62	36	38	45	48
Sedatives	29	29	15	13	25	26
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	109	104	60	73	89	74
CIGARETTES	86	89	63	59	56	61
Daily Cigarette Use4	55	53	39	42	38	31
SMOKELESS TOBACCO5	75	53	68	43	26	30
CIGARS	143	108	121	75	64	74
ALCOHOL	124	130	82	86	85	89

130404

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, 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	59	60	41	42	43	41
Marijuana and Hashish	58	54	41	38	39	37
Cocaine	18	18	13	12	13	13
Crack	6	9	3	7	4	6
Heroin	10	8	8	6	6	4
Hallucinogens	31	27	22	20	21	19
LSD	17	17	13	13	11	10
PCP	7	11	5	7	5	8
Ecstasy	27	22	18	15	19	16
Inhalants	31	26	21	19	25	19
Nonmedical Use of Psychotherapeutics2,3	39	40	25	28	28	29
Pain Relievers	36	38	24	26	26	27
OxyContin®	17	15	12	10	13	11
Tranquilizers	26	31	17	20	19	22
Stimulants2	19	22	12	14	15	16
Sedatives	10	8	6	5	8	7
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	46	47	30	32	34	33
CIGARETTES	53	49	41	36	34	33
Daily Cigarette Use4	24	25	18	21	17	14
SMOKELESS TOBACCO5	35	29	30	26	16	13
CIGARS	47	43	36	36	28	27
ALCOHOL	82	83	56	58	55	53

130404

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, 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	83	79	55	51	58	54
Marijuana and Hashish	81	76	54	49	54	53
Cocaine	34	30	27	24	20	22
Crack	8	13	6	9	6	8
Heroin	16	11	11	8	12	8
Hallucinogens	48	45	33	32	33	31
LSD	24	35	19	26	14	17
PCP	7	13	5	9	5	9
Ecstasy	38	40	24	25	30	31
Inhalants	42	34	26	22	30	27
Nonmedical Use of Psychotherapeutics2,3	57	60	37	41	41	39
Pain Relievers	51	50	33	33	38	36
OxyContin®	24	19	15	14	18	13
Tranquilizers	38	44	26	34	28	28
Stimulants2	32	41	21	27	23	26
Sedatives	12	10	8	6	9	8
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	66	65	42	47	48	41
CIGARETTES	76	80	54	57	50	51
Daily Cigarette Use4	39	39	27	33	29	20
SMOKELESS TOBACCO5	50	43	43	39	20	17
CIGARS	70	70	53	56	43	41
ALCOHOL	108	109	75	74	68	68

130404

Table 4.12C – Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Standard Errors of Numbers in Thousands, 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	103	98	61	68	81	67
Marijuana and Hashish	91	92	60	67	65	59
Cocaine	48	48	34	36	31	35
Crack	14	16	10	11	9	11
Heroin	26	23	17	20	20	12
Hallucinogens	58	57	45	42	38	39
LSD	30	41	22	32	18	19
PCP	10	14	9	10	5	10
Ecstasy	55	58	39	42	39	40
Inhalants	47	40	31	28	32	29
Nonmedical Use of Psychotherapeutics2,3	107	106	56	69	90	82
Pain Relievers	93	89	49	62	79	64
OxyContin®	45	38	37	26	26	28
Tranquilizers	84	79	46	49	71	62
Stimulants2	58	62	36	38	44	48
Sedatives	24	27	15	13	19	24
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	101	97	60	67	81	70
CIGARETTES	84	88	61	59	55	60
Daily Cigarette Use4	54	53	38	42	38	31
SMOKELESS TOBACCO5	73	53	67	43	26	30
CIGARS	93	100	70	74	60	64
ALCOHOL	117	126	80	85	79	84

130404

Table 4.13D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.82	0.49	0.23	0.85	1.39	0.56
Marijuana and Hashish	0.80	0.59	0.21	1.10	1.50	0.37
Cocaine	0.47	0.32	0.47	0.36	0.88	0.55
Crack	1.05	1.03	0.88	1.06	2.10	1.78
Heroin	1.22	1.18	1.96	1.70	1.28	1.06
Hallucinogens	0.30	0.28	0.50	0.37	0.29	0.42
LSD	0.27	0.44	0.34	0.62	0.44	0.46
PCP	0.94	6.89	1.21	10.49	1.00	0.44
Ecstasy	0.88	0.77	1.67	1.36	0.62	0.55
Inhalants	0.39	0.75	0.67	1.43	0.32	0.38
Nonmedical Use of Psychotherapeutics2,3	0.75	0.86	0.70	1.01	1.04	1.25
Pain Relievers	0.90	0.80	0.77	1.21	1.32	1.10
OxyContin®	1.62	1.51	2.00	1.96	2.60	2.38
Tranquilizers	1.00	1.49	1.10	1.53	1.40	2.12
Stimulants2	0.92	1.13	1.17	1.65	1.32	1.50
Sedatives	2.67	2.93	1.29	3.43	3.54	3.68
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.65	0.64	0.43	0.87	1.00	0.93
CIGARETTES	0.31	0.23	0.59	0.12	0.17	0.45
Daily Cigarette Use4	0.44	0.52	0.51	0.46	0.75	1.00
SMOKELESS TOBACCO5	0.66	0.46	0.82	0.27	0.45	1.41
CIGARS	1.46	0.66	2.38	0.50	0.79	1.30
ALCOHOL	0.22	0.28	0.11	0.30	0.40	0.47

130404

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: 2012 Versus 2011

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.8676		0.0426		0.2604
Marijuana and Hashish	0.9383		0.0825		0.2714
Cocaine	0.9644		0.3418		0.4565
Crack	0.8607		0.6949		0.9887
Heroin	0.5768		0.5810		0.8793
Hallucinogens	0.4263		0.8407		0.2658
LSD	0.4382		0.2952		0.6504
PCP	0.3161		0.2323		0.8492
Ecstasy	0.6133		0.6889		0.8142
Inhalants	0.2560		0.3825		0.2315
Nonmedical Use of Psychotherapeutics2,3	0.3295		0.1640		0.5811
Pain Relievers	0.8174		0.0803		0.5356
OxyContin®	0.8303		0.5607		0.7826
Tranquilizers	0.1406		0.2248		0.2284
Stimulants2	0.7021		0.9893		0.5969
Sedatives	0.4108		0.2325		0.6941
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.2071		0.0740		0.5272
CIGARETTES	0.2519		0.4598		0.0061
Daily Cigarette Use4	0.1752		0.8164		0.1185
SMOKELESS TOBACCO5	0.1384		0.0059		0.0911
CIGARS	0.5805		0.0954		0.0281
ALCOHOL	0.2613		0.1630		0.6151

130404

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: 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.05	0.05	0.07	0.08	0.08	0.08
Marijuana and Hashish	0.05	0.05	0.07	0.08	0.07	0.07
Cocaine	0.12	0.15	0.17	0.23	0.17	0.19
Crack	0.31	0.30	0.30	*	0.44	*
Heroin	0.51	0.31	0.28	*	0.78	0.29
Hallucinogens	0.08	0.09	0.08	0.12	0.11	0.12
LSD	0.14	0.11	0.15	0.14	0.23	0.16
PCP	0.25	0.31	0.39	0.40	0.31	0.29
Ecstasy	0.09	0.09	0.10	0.12	0.13	0.13
Inhalants	0.10	0.12	0.13	0.19	0.15	0.16
Nonmedical Use of Psychotherapeutics2,3	0.07	0.08	0.09	0.10	0.11	0.11
Pain Relievers	0.08	0.08	0.08	0.11	0.12	0.12
OxyContin®	0.12	0.14	0.20	0.18	0.16	0.21
Tranquilizers	0.10	0.11	0.14	0.16	0.14	0.14
Stimulants2	0.19	0.11	0.17	0.17	0.28	0.14
Sedatives	0.23	0.25	0.22	0.55	0.28	0.24
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.07	0.07	0.08	0.10	0.10	0.10
CIGARETTES	0.07	0.06	0.10	0.08	0.08	0.09
Daily Cigarette Use4	0.09	0.11	0.11	0.14	0.13	0.16
SMOKELESS TOBACCO5	0.08	0.08	0.09	0.10	0.17	0.16
CIGARS	0.06	0.06	0.09	0.07	0.09	0.09
ALCOHOL	0.04	0.04	0.06	0.06	0.06	0.05

130404

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: 2012 Versus 2011

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.1047		0.7376		0.0142
Marijuana and Hashish	0.4219		0.2479		0.0202
Cocaine	0.8684		0.7781		0.9852
Crack	0.7947		*		*
Heroin	0.7042		*		0.2389
Hallucinogens	0.0755		0.0073		0.7697
LSD	0.4800		0.8681		0.2408
PCP	0.6968		0.0603		0.2434
Ecstasy	0.5448		0.8178		0.2977
Inhalants	0.0543		0.1937		0.1789
Nonmedical Use of Psychotherapeutics2,3	0.6471		0.4908		0.3160
Pain Relievers	0.7237		0.1629		0.6520
OxyContin®	0.4915		0.7453		0.5402
Tranquilizers	0.0102		0.0619		0.0542
Stimulants2	0.0014		0.1747		0.0028
Sedatives	0.5484		0.4059		0.7256
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.2786		0.9542		0.2011
CIGARETTES	0.0600		0.1499		0.2140
Daily Cigarette Use4	0.7309		0.8227		0.5716
SMOKELESS TOBACCO5	0.8230		0.4549		0.3158
CIGARS	0.1332		0.2608		0.2638
ALCOHOL	0.7791		0.9437		0.6855

130404

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: 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.08	0.08	0.10	0.11	0.11	0.11
Marijuana and Hashish	0.08	0.08	0.10	0.11	0.11	0.11
Cocaine	0.13	0.15	0.16	0.21	0.21	0.20
Crack	0.35	0.37	0.41	0.39	0.51	0.63
Heroin	0.41	0.36	0.39	0.52	0.78	0.48
Hallucinogens	0.10	0.10	0.12	0.14	0.16	0.16
LSD	0.17	0.16	0.19	0.19	0.28	0.22
PCP	0.29	0.44	0.39	0.91	0.43	0.35
Ecstasy	0.11	0.12	0.15	0.16	0.16	0.18
Inhalants	0.20	0.16	0.21	0.24	0.27	0.23
Nonmedical Use of Psychotherapeutics2,3	0.09	0.10	0.12	0.14	0.13	0.12
Pain Relievers	0.10	0.10	0.12	0.13	0.15	0.14
OxyContin®	0.16	0.17	0.23	0.24	0.22	0.26
Tranquilizers	0.13	0.15	0.20	0.22	0.16	0.16
Stimulants2	0.20	0.17	0.22	0.29	0.31	0.17
Sedatives	0.33	0.36	0.53	0.61	0.38	0.47
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.09	0.09	0.11	0.13	0.14	0.12
CIGARETTES	0.07	0.07	0.10	0.10	0.09	0.10
Daily Cigarette Use4	0.10	0.10	0.12	0.14	0.15	0.15
SMOKELESS TOBACCO5	0.10	0.10	0.12	0.12	0.18	0.18
CIGARS	0.07	0.07	0.09	0.09	0.10	0.11
ALCOHOL	0.05	0.06	0.07	0.08	0.07	0.08

130404

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: 2012 Versus 2011

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.2684		0.6557		0.0633
Marijuana and Hashish	0.6213		0.5734		0.2447
Cocaine	0.6070		0.5601		0.7872
Crack	0.9634		0.6215		0.6853
Heroin	0.6969		0.4472		0.2708
Hallucinogens	0.8128		0.6921		0.9756
LSD	0.3051		0.4559		0.4801
PCP	0.1380		0.5228		0.1038
Ecstasy	0.0261		0.0575		0.2183
Inhalants	0.2873		0.8063		0.1886
Nonmedical Use of Psychotherapeutics2,3	0.9101		0.5890		0.5852
Pain Relievers	0.7707		0.4864		0.3834
OxyContin®	0.5747		0.6926		0.5678
Tranquilizers	0.2009		0.3122		0.3737
Stimulants2	0.5349		0.7237		0.2287
Sedatives	0.9534		0.6457		0.7168
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.2403		0.1923		0.7617
CIGARETTES	0.0132		0.0172		0.3240
Daily Cigarette Use4	0.5111		0.5367		0.9229
SMOKELESS TOBACCO5	0.7165		0.3412		0.1488
CIGARS	0.1133		0.2333		0.2131
ALCOHOL	0.3242		0.4442		0.5426

130404

Table 4.16D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2011 and 2012

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.39	0.34	0.23	0.50	0.68	0.47
Marijuana and Hashish	0.18	0.32	0.21	0.52	0.29	0.37
Cocaine	0.47	0.32	0.47	0.36	0.88	0.55
Crack	1.05	1.03	0.88	1.06	2.10	1.78
Heroin	1.22	1.18	1.96	1.70	1.28	1.06
Hallucinogens	0.30	0.28	0.50	0.37	0.29	0.42
LSD	0.27	0.44	0.34	0.62	0.44	0.46
PCP	0.94	0.50	1.21	0.96	1.00	0.44
Ecstasy	0.44	0.42	0.62	0.64	0.62	0.55
Inhalants	0.33	0.32	0.53	0.50	0.32	0.38
Nonmedical Use of Psychotherapeutics2,3	0.60	0.54	0.70	0.76	0.86	0.73
Pain Relievers	0.72	0.58	0.77	0.90	1.08	0.78
OxyContin®	1.36	1.40	2.00	1.51	1.59	2.41
Tranquilizers	0.83	0.55	1.10	0.81	1.13	0.72
Stimulants2	0.88	1.13	1.17	1.65	1.25	1.50
Sedatives	1.83	2.02	1.29	3.43	2.76	2.46
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.49	0.44	0.43	0.59	0.80	0.65
CIGARETTES	0.13	0.23	0.19	0.12	0.17	0.44
Daily Cigarette Use4	0.44	0.51	0.51	0.41	0.75	1.00
SMOKELESS TOBACCO5	0.60	0.45	0.75	0.27	0.45	1.40
CIGARS	0.33	0.38	0.36	0.46	0.58	0.63
ALCOHOL	0.13	0.19	0.11	0.30	0.22	0.23

130404

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: 2012 Versus 2011

Substance	Total (2011)	Total (2012)	Male (2011)	Male (2012)	Female (2011)	Female (2012)
*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 new methamphetamine initiation items added in 2007 or new 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. 5 Smokeless Tobacco includes chewing tobacco or snuff. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2011 and 2012.
ILLICIT DRUGS1,2	0.2853		0.3438		0.4802
Marijuana and Hashish	0.2636		0.3487		0.5327
Cocaine	0.9644		0.3418		0.4565
Crack	0.8607		0.6949		0.9887
Heroin	0.5768		0.5810		0.8793
Hallucinogens	0.4263		0.8407		0.2658
LSD	0.4382		0.2952		0.6504
PCP	0.2442		0.1696		0.8492
Ecstasy	0.2333		0.1567		0.8142
Inhalants	0.2858		0.5677		0.2315
Nonmedical Use of Psychotherapeutics2,3	0.5326		0.4865		0.6951
Pain Relievers	0.5964		0.3578		0.9099
OxyContin®	0.6816		0.2276		0.4328
Tranquilizers	0.3645		0.9133		0.3064
Stimulants2	0.9472		0.9893		0.8914
Sedatives	0.1182		0.2325		0.3008
ILLICIT DRUGS OTHER THAN MARIJUANA1,2	0.0977		0.2572		0.1763
CIGARETTES	0.0102		0.5468		0.0094
Daily Cigarette Use4	0.2359		0.9213		0.1185
SMOKELESS TOBACCO5	0.1745		0.0124		0.1604
CIGARS	0.0695		0.1812		0.1616
ALCOHOL	0.1688		0.1630		0.5274