50414

Table  7.1C Number of Days Used Marijuana in the Past Year among Past Year Users and the Number of Days Used Marijuana in the Past Month among Past Month Users, by Age Group: Standard Errors of Numbers in Thousands, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	248	256	51	53	103	85	219	245
12-49	198	162	37	41	69	64	178	143
50-99	134	149	28	28	48	45	118	140
100-299	194	209	37	36	81	84	168	182
300 or More	144	163	21	25	60	61	128	149
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	174	169	35	34	63	56	159	163
3-5	135	145	26	27	46	43	120	133
6-19	139	144	30	27	57	54	118	126
20 or More	174	199	29	32	74	79	157	178
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.1D Number of Days Used Marijuana in the Past Year among Past Year Users and the Number of Days Used Marijuana in the Past Month among Past Month Users, by Age Group: Standard Errors of Percentages, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	0.75	0.82	1.00	1.17	0.84	0.73	1.37	1.53
12-49	0.65	0.55	0.85	0.98	0.63	0.59	1.22	0.98
50-99	0.49	0.55	0.69	0.72	0.50	0.45	0.88	1.02
100-299	0.67	0.68	0.86	0.86	0.72	0.69	1.18	1.24
300 or More	0.53	0.58	0.55	0.65	0.62	0.61	0.98	1.08
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.98	0.99	1.42	1.45	0.95	0.90	1.81	1.84
3-5	0.77	0.86	1.14	1.27	0.74	0.72	1.40	1.54
6-19	0.82	0.89	1.28	1.23	0.90	0.84	1.48	1.57
20 or More	0.98	1.01	1.26	1.38	1.04	1.06	1.79	1.86
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.1P Number of Days Used Marijuana in the Past Year among Past Year Users and the Number of Days Used Marijuana in the Past Month among Past Month Users, by Age Group: P Values from Tests of Differences of Percentages, 2004 Versus 2003

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	0.4438		0.3632		0.8176		0.2771
12-49	0.0542		0.1016		0.1443		0.0514
50-99	0.6443		0.7949		0.8929		0.7011
100-299	0.9940		0.0271		0.2285		0.9849
300 or More	0.5426		0.0397		0.8453		0.8279
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.8877		0.2410		0.9642		0.7482
3-5	0.4903		0.2099		0.6180		0.5155
6-19	0.4185		0.0699		0.6351		0.4965
20 or More	0.9746		0.0508		0.9392		0.8101
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.2C Number of Days Used Cocaine in the Past Year among Past Year Users and the Number of Days Used Cocaine in the Past Month among Past Month Users, by Age Group: Standard Errors of Numbers in Thousands, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	157	129	24	22	57	60	143	108
12-49	114	102	10	11	37	41	96	92
50-99	76	80	8	7	21	19	72	77
100-299	93	75	7	11	16	20	89	69
300 or More	21	36	5	2	8	6	20	35
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	95	68	13	12	35	31	87	61
3-5	83	58	6	5	19	20	81	54
6-19	47	58	8	6	13	18	44	55
20 or More	30	49	4	*	7	11	29	47
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.2D Number of Days Used Cocaine in the Past Year among Past Year Users and the Number of Days Used Cocaine in the Past Month among Past Month Users, by Age Group: Standard Errors of Percentages, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	1.96	1.68	2.86	3.28	1.62	1.67	3.13	2.65
12-49	1.65	1.50	2.25	2.44	1.48	1.50	2.50	2.49
50-99	1.19	1.29	1.83	1.72	0.99	0.86	1.96	2.25
100-299	1.44	1.23	1.52	2.40	0.75	0.89	2.40	2.05
300 or More	0.36	0.62	1.06	0.51	0.36	0.27	0.58	1.09
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	3.03	2.84	5.01	5.97	2.89	2.92	4.55	4.22
3-5	2.83	2.50	3.84	4.04	2.53	2.47	4.33	3.94
6-19	1.85	2.43	4.45	4.28	1.76	2.30	2.76	3.83
20 or More	1.29	2.17	2.54	*	0.99	1.55	1.98	3.48
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.2P Number of Days Used Cocaine in the Past Year among Past Year Users and the Number of Days Used Cocaine in the Past Month among Past Month Users, by Age Group: P Values from Tests of Differences of Percentages, 2004 Versus 2003

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	0.1603		0.1419		0.8987		0.1382
12-49	0.7937		0.6019		0.8192		0.9038
50-99	0.3717		0.9447		0.2318		0.1620
100-299	0.8480		0.0391		0.1623		0.7766
300 or More	0.1534		0.3216		0.6273		0.0779
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.0210		0.7343		0.0188		0.0745
3-5	0.4327		0.6686		0.8362		0.3533
6-19	0.0825		0.5849		0.0395		0.1956
20 or More	0.0045		*		0.1111		0.0114
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.3C Number of Days Used Hallucinogens in the Past Year among Past Year Users and the Number of Days Used Hallucinogens in the Past Month among Past Month Users, by Age Group: Standard Errors of Numbers in Thousands, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	127	139	31	28	75	67	92	116
12-49	55	55	16	17	28	29	43	46
50-99	31	37	10	13	17	16	21	32
100-299	30	15	9	8	10	10	*	7
300 or More	7	5	4	0	4	4	3	2
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	60	49	18	16	33	29	*	*
3-5	30	26	6	7	13	12	*	*
6-19	21	14	8	7	8	11	*	*
20 or More	5	8	3	4	4	2	*	*
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.3D Number of Days Used Hallucinogens in the Past Year among Past Year Users and the Number of Days Used Hallucinogens in the Past Month among Past Month Users, by Age Group: Standard Errors of Percentages, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	1.52	1.63	2.14	2.29	1.47	1.58	4.39	4.24
12-49	1.27	1.30	1.79	1.96	1.27	1.35	3.74	3.47
50-99	0.76	0.93	1.24	1.58	0.77	0.80	1.93	2.68
100-299	0.75	0.39	1.07	1.07	0.49	0.50	*	0.58
300 or More	0.17	0.12	0.47	0.02	0.21	0.22	0.30	0.17
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	3.01	2.78	3.47	4.19	2.70	3.13	*	*
3-5	2.62	2.55	2.12	3.22	2.24	2.43	*	*
6-19	1.89	1.44	2.91	3.09	1.44	2.07	*	*
20 or More	0.46	0.87	1.01	1.73	0.73	0.39	*	*
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.3P Number of Days Used Hallucinogens in the Past Year among Past Year Users and the Number of Days Used Hallucinogens in the Past Month among Past Month Users, by Age Group: P Values from Tests of Differences of Percentages, 2004 Versus 2003

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	0.6537		0.5283		0.9527		0.7498
12-49	0.9496		0.6521		0.9753		0.9146
50-99	0.1414		0.1792		0.9343		0.1679
100-299	0.5857		0.3708		0.6288		*
300 or More	0.2902		0.1235		0.8434		0.6954
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.6993		0.2144		0.4910		*
3-5	0.6496		0.0756		0.8125		*
6-19	0.7546		0.7490		0.0844		*
20 or More	0.4733		0.6457		0.2745		*
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.4C Number of Days Used Inhalants in the Past Year among Past Year Users and the Number of Days Used Inhalants in the Past Month among Past Month Users, by Age Group: Standard Errors of Numbers in Thousands, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	63	62	39	37	36	36	*	*
12-49	37	55	21	23	13	15	*	*
50-99	21	23	14	18	8	11	*	*
100-299	25	30	11	14	7	9	*	*
300 or More	4	10	4	4	*	5	*	*
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	37	35	21	19	*	16	*	*
3-5	19	24	11	12	*	*	*	*
6-19	15	23	6	9	*	6	*	*
20 or More	6	*	5	8	*	2	*	*
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.4D Number of Days Used Inhalants in the Past Year among Past Year Users and the Number of Days Used Inhalants in the Past Month among Past Month Users, by Age Group: Standard Errors of Percentages, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	1.87	2.17	1.97	2.07	2.36	2.63	*	*
12-49	1.57	2.03	1.64	1.78	1.89	1.97	*	*
50-99	0.95	1.00	1.20	1.44	1.20	1.55	*	*
100-299	1.13	1.24	0.95	1.19	1.07	1.25	*	*
300 or More	0.17	0.42	0.31	0.32	*	0.70	*	*
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	3.67	5.03	3.57	4.26	*	5.48	*	*
3-5	2.95	3.60	3.01	3.48	*	*	*	*
6-19	2.56	3.37	1.81	2.52	*	4.00	*	*
20 or More	1.11	*	1.38	2.26	*	1.64	*	*
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.4P Number of Days Used Inhalants in the Past Year among Past Year Users and the Number of Days Used Inhalants in the Past Month among Past Month Users, by Age Group: P Values from Tests of Differences of Percentages, 2004 Versus 2003

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	0.0077		0.2053		0.0529		*
12-49	0.0896		0.8563		0.4849		*
50-99	0.8486		0.6362		0.5574		*
100-299	0.1669		0.0992		0.1474		*
300 or More	0.2007		0.6525		*		*
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.0248		0.0653		*		*
3-5	0.8216		0.3648		*		*
6-19	0.1753		0.3207		*		*
20 or More	*		0.3239		*		*
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.5C Number of Days Used Cigarettes in the Past Month among Past Month Users and the Number of Cigarettes Smoked Per Day among Daily Smokers, by Age Group: Standard Errors of Numbers in Thousands, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED CIGARETTES IN PAST MONTH AMONG PAST MONTH USERS
1-2	241	226	35	38	61	69	226	214
3-5	194	194	26	30	54	52	179	184
6-19	234	241	30	33	63	75	222	228
20-29	292	265	31	28	64	65	276	250
30	714	693	39	43	144	146	678	649
NUMBER OF CIGARETTES SMOKED PER DAY AMONG DAILY SMOKERS1
Fewer Than 6	265	214	23	25	66	67	254	202
6-15 (1/2 Pack)	319	381	26	27	77	81	307	361
16-25 (1 Pack)	442	387	16	15	74	67	428	375
26 or More (More Than 1 Pack)	273	308	5	8	29	30	271	306
Not Reported	24	17	1	1	4	2	24	16
*Low precision; no estimate reported. 1 Daily Cigarette Use is defined as smoking on each of the past 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.5D Number of Days Used Cigarettes in the Past Month among Past Month Users and the Number of Cigarettes Smoked Per Day among Daily Smokers, by Age Group: Standard Errors of Percentages, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED CIGARETTES IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.37	0.37	0.99	1.14	0.44	0.49	0.48	0.47
3-5	0.31	0.31	0.78	0.88	0.39	0.38	0.39	0.40
6-19	0.37	0.38	0.89	0.97	0.45	0.50	0.48	0.49
20-29	0.45	0.41	0.90	0.86	0.46	0.46	0.57	0.54
30	0.67	0.63	1.06	1.13	0.69	0.72	0.86	0.80
NUMBER OF CIGARETTES SMOKED PER DAY AMONG DAILY SMOKERS1
Fewer Than 6	0.61	0.54	2.00	2.29	0.84	0.83	0.74	0.64
6-15 (1/2 Pack)	0.75	0.81	2.16	2.34	0.85	0.88	0.91	0.98
16-25 (1 Pack)	0.85	0.82	1.65	1.63	0.84	0.82	1.05	1.00
26 or More (More Than 1 Pack)	0.64	0.73	0.59	0.91	0.41	0.43	0.80	0.89
Not Reported	0.06	0.04	0.08	0.12	0.07	0.03	0.08	0.05
*Low precision; no estimate reported. 1 Daily Cigarette Use is defined as smoking on each of the past 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.5P Number of Days Used Cigarettes in the Past Month among Past Month Users and the Number of Cigarettes Smoked Per Day among Daily Smokers, by Age Group: P Values from Tests of Differences of Percentages, 2004 Versus 2003

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED CIGARETTES IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.2631		0.7462		0.7852		0.2908
3-5	0.6519		0.1058		0.4345		0.3505
6-19	0.1374		0.2145		0.2451		0.2767
20-29	0.2606		0.1164		0.6266		0.3593
30	0.5707		0.1853		0.2876		0.8404
NUMBER OF CIGARETTES SMOKED PER DAY AMONG DAILY SMOKERS1
Fewer Than 6	0.1300		0.6334		0.0669		0.0370
6-15 (1/2 Pack)	0.5138		0.7388		1.0000		0.4884
16-25 (1 Pack)	0.7498		0.1838		0.0613		0.9573
26 or More (More Than 1 Pack)	0.3152		0.6361		0.9038		0.3465
Not Reported	0.3195		0.4993		0.3307		0.3828
*Low precision; no estimate reported. 1 Daily Cigarette Use is defined as smoking on each of the past 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.6C Number of Days Used Alcohol in the Past Year among Past Year Users and the Number of Days Used Alcohol in the Past Month among Past Month Users, by Age Group: Standard Errors of Numbers in Thousands, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	689	714	89	94	117	124	661	679
12-49	671	689	68	65	157	146	652	656
50-99	589	566	46	44	112	111	553	545
100-299	857	876	43	46	172	181	829	836
300 or More	377	430	13	14	42	41	377	428
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	661	717	63	68	125	118	640	689
3-5	671	653	50	46	134	129	650	636
6-19	671	712	40	41	171	163	638	678
20 or More	617	561	15	17	69	77	608	557
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.6D Number of Days Used Alcohol in the Past Year among Past Year Users and the Number of Days Used Alcohol in the Past Month among Past Month Users, by Age Group: Standard Errors of Percentages, 2003 and 2004

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	0.39	0.37	0.73	0.71	0.42	0.43	0.49	0.46
12-49	0.35	0.37	0.67	0.63	0.49	0.45	0.44	0.46
50-99	0.34	0.31	0.49	0.48	0.36	0.38	0.41	0.39
100-299	0.40	0.43	0.46	0.50	0.49	0.49	0.50	0.53
300 or More	0.23	0.27	0.15	0.16	0.16	0.16	0.29	0.33
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.46	0.47	0.98	1.06	0.51	0.52	0.57	0.56
3-5	0.47	0.43	0.91	0.87	0.54	0.48	0.57	0.53
6-19	0.43	0.46	0.82	0.83	0.59	0.58	0.53	0.57
20 or More	0.44	0.41	0.33	0.38	0.34	0.34	0.54	0.50
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.6P Number of Days Used Alcohol in the Past Year among Past Year Users and the Number of Days Used Alcohol in the Past Month among Past Month Users, by Age Group: P Values from Tests of Differences of Percentages, 2004 Versus 2003

Frequency of Use	Total		AGE GROUP
			12-17		18-25		26 or Older
	2003	2004	2003	2004	2003	2004	2003	2004
NUMBER OF DAYS USED IN PAST YEAR AMONG PAST YEAR USERS
1-11	0.2520		0.0428		0.3346		0.4072
12-49	0.2196		0.0079		0.9592		0.3327
50-99	0.1007		0.4104		0.2349		0.1620
100-299	0.1914		0.1703		0.6180		0.2548
300 or More	0.9608		0.9107		0.2927		0.9624
NUMBER OF DAYS USED IN PAST MONTH AMONG PAST MONTH USERS
1-2	0.4261		0.9511		0.9122		0.4218
3-5	0.7824		0.5944		0.5770		0.9102
6-19	0.4864		0.8628		0.9731		0.4811
20 or More	0.8681		0.2255		0.5092		0.9963
*Low precision; no estimate reported. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

50414

Table  7.7D Alcohol Use in the Past Month and Measures of Past Month Alcohol Consumption, by Detailed Age Category: Standard Errors, 2004

Age Category	Percentage Using Alcohol in Past Month	MEASURES OF PAST MONTH ALCOHOL CONSUMPTION AMONG PAST MONTH ALCOHOL USERS
		Average Number of Days Used Alcohol in Past Month	Average Number of Drinks Consumed Per Day of Use in Past Month1	Average Number of Drinks Consumed Per User in Past Month1,2	Total Number (in Thousands) of Drinks Consumed in Past Month3
TOTAL	0.40	0.10	0.04	0.78	97,907
12	0.31	0.42	0.25	4.68	451
13	0.51	0.51	1.53	*	*
14	0.65	0.26	0.27	4.15	2,341
15	0.78	0.24	0.24	2.45	2,324
16	0.88	0.21	0.20	2.41	3,051
17	1.07	0.20	0.23	4.27	6,935
18	1.24	0.20	0.25	3.48	8,384
19	1.30	0.22	0.18	3.81	9,229
20	1.22	0.21	0.19	2.99	8,397
21	1.11	0.20	0.12	2.16	7,551
22	1.20	0.21	0.12	1.57	5,440
23	1.21	0.20	0.23	3.09	8,294
24	1.28	0.21	0.11	2.28	6,731
25	1.23	0.24	0.14	2.49	6,822
26-29	1.22	0.22	0.09	1.31	15,526
30-34	1.06	0.20	0.12	2.00	24,007
35-39	1.08	0.20	0.11	1.72	23,696
40-44	1.15	0.24	0.09	2.09	31,594
45-49	1.15	0.26	0.10	2.04	28,174
50-54	1.69	0.41	0.10	2.02	24,459
55-59	1.82	0.52	0.11	2.76	24,516
60-64	2.09	0.60	0.34	9.62	61,290
65 or Older	1.36	0.47	0.08	1.85	26,259
*Low precision; no estimate reported. 1 Respondents with unknown data were excluded. 2 The number of drinks consumed per user in the past month is defined as the product of the number of days that a respondent used alcohol in the past month and the average number of drinks consumed per day on the days that alcohol was used in the past month. 3 The total number of drinks consumed in the past month is defined as the product of the total number of persons who used alcohol in the past month and the average number of drinks consumed per user in the past month. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004.

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Table  7.8D Alcohol Use in the Past Month and Measures of Past Month Alcohol Consumption, by Demographic Characteristics: Standard Errors, 2004

Demographic Characteristic	Percentage Using Alcohol in Past Month	MEASURES OF PAST MONTH ALCOHOL CONSUMPTION AMONG PAST MONTH ALCOHOL USERS
		Average Number of Days Used Alcohol in Past Month	Average Number of Drinks Consumed Per Day of Use in Past Month1	Average Number of Drinks Consumed Per User in Past Month1,2	Total Number (in Thousands) of Drinks Consumed in Past Month3
TOTAL	0.40	0.10	0.04	0.78	97,907
AGE
12-17	0.32	0.11	0.15	3.04	14,079
18-25	0.51	0.08	0.06	1.02	25,318
26 or Older	0.51	0.12	0.04	0.93	94,249
GENDER
Male	0.54	0.13	0.06	1.30	88,872
Female	0.54	0.14	0.04	0.57	34,546
HISPANIC ORIGIN AND RACE
Not Hispanic or Latino	0.43	0.10	0.04	0.84	94,468
White	0.47	0.12	0.04	0.93	88,973
Black or African American	1.09	0.23	0.12	2.46	28,278
American Indian or Alaska              Native	4.64	0.83	0.73	9.28	4,809
Native Hawaiian or Other              Pacific Islander	*	1.40	0.86	6.72	*
Asian	2.33	0.56	0.09	1.33	6,102
Two or More Races	2.65	0.59	0.38	5.23	7,145
Hispanic or Latino	0.94	0.21	0.13	2.15	29,589
*Low precision; no estimate reported. 1 Respondents with unknown data were excluded. 2 The number of drinks consumed per user in the past month is defined as the product of the number of days that a respondent used alcohol in the past month and the average number of drinks consumed per day on the days that alcohol was used in the past month. 3 The total number of drinks consumed in the past month is defined as the product of the total number of persons who used alcohol in the past month and the average number of drinks consumed per user in the past month. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004.

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Table  7.9D Alcohol Use in the Past Month and Measures of Past Month Alcohol Consumption among Persons Aged 12 to 20, by Demographic Characteristics: Standard Errors, 2004

Demographic Characteristic	Percentage Using Alcohol in Past Month	MEASURES OF PAST MONTH ALCOHOL CONSUMPTION AMONG PAST MONTH ALCOHOL USERS
		Average Number of Days Used Alcohol in Past Month	Average Number of Drinks Consumed Per Day of Use in Past Month1	Average Number of Drinks Consumed Per User in Past Month1,2	Total Number (in Thousands) of Drinks Consumed in Past Month3
TOTAL	0.39	0.09	0.10	1.74	21,488
GENDER
Male	0.55	0.14	0.16	2.99	19,179
Female	0.51	0.11	0.08	0.99	6,067
HISPANIC ORIGIN AND RACE
Not Hispanic or Latino	0.43	0.10	0.09	1.35	14,638
White	0.50	0.11	0.10	1.52	13,725
Black or African American	0.81	0.27	0.20	2.28	2,783
American Indian or Alaska              Native	2.92	1.59	2.60	*	*
Native Hawaiian or Other              Pacific Islander	*	0.51	0.95	5.16	*
Asian	1.57	0.51	0.24	3.74	1,150
Two or More Races	2.28	0.60	0.56	5.44	1,025
Hispanic or Latino	0.97	0.28	0.37	8.72	15,997
GENDER/RACE/HISPANIC ORIGIN
Male, White, Not Hispanic	0.68	0.16	0.16	2.43	11,501
Female, White, Not Hispanic	0.65	0.13	0.09	1.25	5,381
Male, Black, Not Hispanic	1.10	0.43	0.32	3.59	2,415
Female, Black, Not Hispanic	1.10	0.27	0.20	2.56	1,408
Male, Hispanic	1.41	0.42	0.64	15.71	15,261
Female, Hispanic	1.35	0.30	0.19	2.09	2,177
*Low precision; no estimate reported. 1 Respondents with unknown data were excluded. 2 The number of drinks consumed per user in the past month is defined as the product of the number of days that a respondent used alcohol in the past month and the average number of drinks consumed per day on the days that alcohol was used in the past month. 3 The total number of drinks consumed in the past month is defined as the product of the total number of persons who used alcohol in the past month and the average number of drinks consumed per user in the past month. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004.

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Table  7.10D Alcohol Use in the Past Month and Measures of Past Month Alcohol Consumption among Persons Aged 21 or Older, by Demographic Characteristics: Standard Errors, 2004

Demographic Characteristic	Percentage Using Alcohol in Past Month	MEASURES OF PAST MONTH ALCOHOL CONSUMPTION AMONG PAST MONTH ALCOHOL USERS
		Average Number of Days Used Alcohol in Past Month	Average Number of Drinks Consumed Per Day of Use in Past Month1	Average Number of Drinks Consumed Per User in Past Month1,2	Total Number (in Thousands) of Drinks Consumed in Past Month3
TOTAL	0.46	0.10	0.04	0.84	96,338
GENDER
Male	0.63	0.14	0.06	1.39	87,129
Female	0.62	0.15	0.04	0.62	34,142
HISPANIC ORIGIN AND RACE
Not Hispanic or Latino	0.50	0.11	0.04	0.90	93,455
White	0.54	0.13	0.04	1.00	87,723
Black or African American	1.34	0.26	0.13	2.75	28,363
American Indian or Alaska              Native	5.89	0.88	0.95	7.84	4,464
Native Hawaiian or Other              Pacific Islander	*	1.54	0.93	7.50	*
Asian	2.73	0.60	0.09	1.40	5,996
Two or More Races	3.32	0.67	0.41	5.80	6,977
Hispanic or Latino	1.15	0.24	0.13	2.09	25,207
GENDER/RACE/HISPANIC ORIGIN
Male, White, Not Hispanic	0.71	0.16	0.07	1.73	80,218
Female, White, Not Hispanic	0.74	0.18	0.04	0.64	29,381
Male, Black, Not Hispanic	1.94	0.42	0.16	3.12	18,562
Female, Black, Not Hispanic	1.64	0.37	0.20	4.14	18,188
Male, Hispanic	1.70	0.32	0.19	3.23	23,606
Female, Hispanic	1.60	0.31	0.15	1.79	7,908
*Low precision; no estimate reported. 1 Respondents with unknown data were excluded. 2 The number of drinks consumed per user in the past month is defined as the product of the number of days that a respondent used alcohol in the past month and the average number of drinks consumed per day on the days that alcohol was used in the past month. 3 The total number of drinks consumed in the past month is defined as the product of the total number of persons who used alcohol in the past month and the average number of drinks consumed per user in the past month. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004.

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Table  7.11D Cigarette Use in the Past Month and Measures of Past Month Cigarette Consumption, by Detailed Age Category: Standard Errors, 2004

Age Category	Percentage Using Cigarettes in Past Month	MEASURES OF PAST MONTH CIGARETTE CONSUMPTION AMONG PAST MONTH CIGARETTE USERS
		Average Number of Days Smoked Cigarettes in Past Month	Average Number of Cigarettes Smoked Per Day of Use in Past Month1	Average Number of Cigarettes Smoked Per User in Past Month1,2	Total Number (in Thousands) of Cigarettes Smoked in Past Month3
TOTAL	0.32	0.14	0.17	5.26	468,409
12	0.20	1.20	0.47	10.51	492
13	0.43	0.79	0.83	6.26	1,295
14	0.57	0.79	0.33	7.44	2,995
15	0.69	0.68	0.32	7.75	5,115
16	0.86	0.59	0.31	9.40	8,662
17	0.93	0.53	0.30	9.35	11,917
18	1.12	0.48	0.32	9.35	18,107
19	1.18	0.50	0.29	8.61	16,446
20	1.22	0.46	0.34	9.78	19,667
21	1.24	0.43	0.31	9.31	21,340
22	1.22	0.44	0.29	9.12	20,923
23	1.33	0.44	0.37	11.15	22,182
24	1.26	0.44	0.30	9.02	19,682
25	1.34	0.46	0.35	10.79	21,778
26-29	1.14	0.46	0.38	11.69	89,232
30-34	1.03	0.42	0.42	12.82	103,204
35-39	1.01	0.44	0.46	13.95	119,384
40-44	1.05	0.38	0.50	15.42	172,797
45-49	1.04	0.37	0.51	15.58	149,272
50-54	1.40	0.61	0.82	24.44	177,290
55-59	1.37	0.62	0.91	29.43	167,113
60-64	1.43	0.92	1.37	42.55	135,480
65 or Older	0.74	0.85	1.12	34.52	160,940
*Low precision; no estimate reported. 1 Respondents with unknown data were excluded. 2 The number of cigarettes smoked per user in the past month is defined as the product of the number of days that a respondent smoked cigarettes in the past month and the average number of cigarettes smoked per day on the days that cigarettes were smoked in the past month. 3 The total number of cigarettes smoked in the past month is defined as the product of the total number of persons who smoked cigarettes in the past month and the average number of cigarettes smoked per user in the past month. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004.

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Table  7.12D Cigarette Use in the Past Month and Measures of Past Month Cigarette Consumption, by Demographic Characteristics: Standard Errors, 2004

Demographic Characteristic	Percentage Using Cigarettes in Past Month	MEASURES OF PAST MONTH CIGARETTE CONSUMPTION AMONG PAST MONTH CIGARETTE USERS
		Average Number of Days Smoked Cigarettes in Past Month	Average Number of Cigarettes Smoked Per Day of Use in Past Month1	Average Number of Cigarettes Smoked Per User in Past Month1,2	Total Number (in Thousands) of Cigarettes Smoked in Past Month3
TOTAL	0.32	0.14	0.17	5.26	468,409
AGE
12-17	0.30	0.31	0.16	4.61	16,853
18-25	0.49	0.16	0.12	3.62	67,613
26 or Older	0.39	0.17	0.22	6.82	453,147
GENDER
Male	0.46	0.19	0.25	7.60	350,716
Female	0.40	0.20	0.22	6.66	283,321
HISPANIC ORIGIN AND RACE
Not Hispanic or Latino	0.35	0.14	0.18	5.57	463,330
White	0.39	0.14	0.21	6.35	430,620
Black or African American	0.85	0.44	0.50	14.15	124,090
American Indian or Alaska              Native	4.48	1.70	1.50	46.37	27,865
Native Hawaiian or Other              Pacific Islander	*	1.41	1.07	32.67	*
Asian	0.95	1.03	0.68	21.37	31,068
Two or More Races	3.11	0.73	1.55	47.41	67,733
Hispanic or Latino	0.81	0.52	0.36	10.29	81,110
*Low precision; no estimate reported. 1 Respondents with unknown data were excluded. 2 The number of cigarettes smoked per user in the past month is defined as the product of the number of days that a respondent smoked cigarettes in the past month and the average number of cigarettes smoked per day on the days that cigarettes were smoked in the past month. 3 The total number of cigarettes smoked in the past month is defined as the product of the total number of persons who smoked cigarettes in the past month and the average number of cigarettes smoked per user in the past month. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004.

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Table  7.13C Types of Illicit Drug Use in the Past Month among Persons Aged 12 or Older, by Past Month Cigarette Use: Standard Errors of Numbers in Thousands, 2003 and 2004

Drug	CIGARETTE USE IN PAST MONTH
	Any Use		No Use
	2003	2004	2003	2004
ILLICIT DRUG1	272	285	264	245
Marijuana and Hashish	238	252	200	200
Cocaine	132	104	53	61
Crack	88	63	18	14
Heroin	26	31	10	11
Hallucinogens	55	46	43	34
LSD	15	25	11	8
PCP	12	11	*	13
Ecstasy	38	33	38	29
Inhalants	30	27	32	58
Nonmedical Use of Psychotherapeutics2	139	145	190	136
Pain Relievers	121	121	155	108
OxyContin®	--	32	--	16
Tranquilizers	85	79	83	66
Stimulants	65	66	58	62
Methamphetamine	55	54	43	37
Sedatives	34	41	42	26
ILLICIT DRUG OTHER THAN MARIJUANA1	181	183	198	163
*Low precision; no estimate reported. -- Not available. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type pain relievers, tranquilizers, stimulants, or sedatives; does not include over-the-counter drugs. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2003 and 2004.

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Table  7.13D Types of Illicit Drug Use in the Past Month among Persons Aged 12 or Older, by Past Month Cigarette Use: Standard Errors of Percentages, 2003 and 2004

Drug	CIGARETTE USE IN PAST MONTH
	Any Use		No Use
	2003	2004	2003	2004
ILLICIT DRUG1	0.45	0.48	0.15	0.14
Marijuana and Hashish	0.39	0.42	0.11	0.11
C