/  SE List of Tables

Risk and Protective Factor - 3.1 to 3.108 ; Incidence - 4.1 to 4.16 ; Dependence and Treatment - 5.1 to 5.36 (Standard Errors)

10703

Table 3.1C Standard Errors of Estimated Numbers (in Thousands) Reporting About Risk and Availability of Drugs, by Age Group: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

Risk/Availability1	Total		AGE GROUP (Years)
			12-17		18-25		26 or Older
	1999	2000	1999	2000	1999	2000	1999	2000
PERCEPTIONS OF GREAT RISK
Cigarettes
Smoke one or more packs per day	873	794	90	92	129	121	842	755
Marijuana
Smoke once a month	936	823	88	87	123	124	909	794
Smoke once or twice a week	944	829	91	94	141	132	907	798
Cocaine
Use once a month	717	692	90	88	134	116	698	663
Use once or twice a week	497	454	72	76	90	86	469	434
Heroin
Try once or twice	622	564	86	85	106	100	591	545
Use once or twice a week	382	365	68	68	65	63	361	348
LSD
Try once or twice	666	698	90	88	132	121	627	663
Use once or twice a week	510	453	77	73	95	92	489	429
Alcohol
Four or five drinks nearly every day	893	725	94	86	133	121	867	710
Five or more drinks once or twice a week	894	919	94	90	128	127	876	902
AVAILABILITY
Fairly or very easy to obtain
Marijuana	941	800	93	97	115	115	899	764
Cocaine	781	698	83	76	129	117	763	671
Crack	808	741	85	86	136	129	778	713
Heroin	699	621	72	69	113	108	684	600
LSD	708	613	79	78	129	111	686	585
Approached by someone selling drugs past month	397	351	68	71	109	97	360	313

*Low precision; no estimate reported.

¹Respondents with missing data were excluded.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 3.1D Standard Errors of Percentages Reporting About Risk and Availability of Drugs, by Age Group: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

Risk/Availability1	Total		AGE GROUP (Years)
			12-17		18-25		26 or Older
	1999	2000	1999	2000	1999	2000	1999	2000
PERCEPTIONS OF GREAT RISK
Cigarettes
Smoke one or more packs per day	0.40	0.36	0.40	0.40	0.46	0.42	0.50	0.45
Marijuana
Smoke once a month	0.44	0.38	0.39	0.38	0.44	0.43	0.56	0.48
Smoke once or twice a week	0.44	0.38	0.40	0.41	0.50	0.46	0.55	0.48
Cocaine
Use once a month	0.33	0.32	0.40	0.38	0.48	0.40	0.42	0.40
Use once or twice a week	0.23	0.21	0.32	0.33	0.32	0.30	0.28	0.26
Heroin
Try once or twice	0.29	0.26	0.38	0.37	0.38	0.35	0.36	0.33
Use once or twice a week	0.18	0.17	0.30	0.29	0.23	0.22	0.22	0.21
LSD
Try once or twice	0.31	0.32	0.41	0.39	0.48	0.42	0.38	0.40
Use once or twice a week	0.24	0.21	0.35	0.32	0.34	0.32	0.30	0.26
Alcohol
Four or five drinks nearly every day	0.41	0.33	0.41	0.37	0.47	0.42	0.52	0.42
Five or more drinks once or twice a week	0.41	0.42	0.41	0.39	0.45	0.44	0.53	0.53
AVAILABILITY
Fairly or very easy to obtain
Marijuana	0.46	0.38	0.42	0.43	0.42	0.40	0.58	0.48
Cocaine	0.39	0.34	0.38	0.34	0.48	0.42	0.51	0.43
Crack	0.41	0.36	0.39	0.38	0.51	0.46	0.52	0.45
Heroin	0.35	0.30	0.33	0.31	0.43	0.39	0.46	0.38
LSD	0.36	0.30	0.37	0.35	0.48	0.40	0.46	0.37
Approached by someone selling drugs past month	0.18	0.16	0.30	0.31	0.39	0.34	0.21	0.18

*Low precision; no estimate reported.

¹Respondents with missing data were excluded.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 3.1P P-Values from Tests of Differences in Percentages Reporting About Risk and Availability of Drugs, by Age Group: 2000 Versus 1999 List of Tables: Prevalence Estimates and Sample Sizes

Risk/Availability1	Total		AGE GROUP (Years)
			12-17		18-25		26 or Older
	1999	2000	1999	2000	1999	2000	1999	2000
PERCEPTIONS OF GREAT RISK
Cigarettes
Smoke one or more packs per day	0.0000		0.0000		0.0000		0.0001
Marijuana
Smoke once a month	0.9263		0.3935		0.0766		0.6817
Smoke once or twice a week	0.6011		0.3790		0.1167		0.6634
Cocaine
Use once a month	0.9751		0.9344		0.4249		0.9474
Use once or twice a week	0.6740		0.4389		0.8857		0.5364
Heroin
Try once or twice	0.2595		0.5551		0.0934		0.4027
Use once or twice a week	0.6329		0.4750		0.6951		0.7837
LSD
Try once or twice	0.5843		0.0910		0.0473		0.9430
Use once or twice a week	0.9906		0.0525		0.7982		0.7457
Alcohol
Four or five drinks nearly every day	0.0378		0.7874		0.1956		0.0616
Five or more drinks once or twice a week	0.0003		0.0338		0.3743		0.0007
AVAILABILITY
Fairly or very easy to obtain
Marijuana	0.0003		0.0000		0.0304		0.0028
Cocaine	0.0002		0.0000		0.0000		0.0112
Crack	0.0004		0.0021		0.0002		0.0075
Heroin	0.0006		0.0073		0.0003		0.0081
LSD	0.0111		0.0001		0.0005		0.1338
Approached by someone selling drugs past month	0.0154		0.5847		0.0531		0.0256

*Low precision; no estimate reported.

¹Respondents with missing data were excluded.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 3.2C Standard Errors of Estimated Numbers (in Thousands) of Persons Aged 12 to 17 Reporting (I) Perceived Great Risk of Smoking One or More Packs of Cigarettes Per Day, by Demographic Characteristics, and (II) Selected Drug Use, by Risk Perceptions of Cigarette Smoking: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

(I) Demographic Characteristic	Smoke One or More Packs of Cigarettes Per Day1		(II) Drug Use	Smoke One or More Packs of Cigarettes Per Day1
	Great Risk			Great Risk		Moderate/Slight/No Risk
	1999	2000		1999	2000	1999	2000
TOTAL	90	92	PAST MONTH
			Any Illicit Drug2	40	38	36	37
AGE			Marijuana	32	33	33	33
12-13	51	49	Any Illicit Drug Other
14-15	50	50	Than Marijuana2	28	25	25	28
16-17	52	50	Cigarettes	48	45	46	44
			Alcohol	51	53	42	43
GENDER			"Binge" Alcohol3	42	41	37	36
Male	67	65
Female	59	61	PAST YEAR
			Any Illicit Drug2	55	53	49	46
HISPANIC ORIGIN AND RACE			Marijuana	48	45	45	42
Not Hispanic			Any Illicit Drug Other
White Only	74	72	Than Marijuana2	43	38	39	40
Black Only	32	35	Cigarettes	59	56	52	50
American Indian or Alaska Native Only	6	*	Alcohol	70	68	58	55
			"Binge" Alcohol3	--	--	--	--
Native Hawaiian or Other Pacific Islander	*	*
			LIFETIME
Asian Only	20	21	Any Illicit Drug2	63	64	52	51
More Than One Race	11	13	Marijuana	54	53	49	46
Hispanic	35	35	Any Illicit Drug Other
			Than Marijuana2	54	51	45	46
COUNTY TYPE			Cigarettes	70	70	54	55
Large Metro	67	61	Alcohol	75	71	59	58
Small Metro	47	53	"Binge" Alcohol3	--	--	--	--
Nonmetro	35	37

*Low precision; no estimate reported.

-- Not available.

¹ Respondents with missing data were excluded.

² Any Illicit Drug indicates use at least once of marijuana/hashish, cocaine (including crack), heroin, hallucinogens (including LSD and PCP), inhalants, or any prescription-type psychotherapeutic used nonmedically. Any Illicit Drug Other Than Marijuana indicates use at least once of any of these listed drugs, regardless of marijuana/hashish use; marijuana/hashish users who also have used any of the other listed drugs are included.

³ "Binge" Alcohol Use is defined as drinking five or more drinks on the same occasion on at least 1 day in the past 30 days. By "occasion" is meant at the same time or within a couple hours of each other.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 3.2D Standard Errors of Percentages of Persons Aged 12 to 17 Reporting (I) Perceived Great Risk of Smoking One or More Packs of Cigarettes Per Day, by Demographic Characteristics, and (II) Selected Drug Use, by Risk Perceptions of Cigarette Smoking: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

(I) Demographic Characteristic	Smoke One or More Packs of Cigarettes Per Day1		(II) Drug Use	Smoke One or More Packs of Cigarettes Per Day1
	Great Risk			Great Risk		Moderate/Slight/No Risk
	1999	2000		1999	2000	1999	2000
TOTAL	0.40	0.40	PAST MONTH
			Any Illicit Drug2	0.29	0.26	0.40	0.44
AGE			Marijuana	0.23	0.22	0.37	0.40
12-13	0.70	0.65	Any Illicit Drug Other
14-15	0.65	0.62	Than Marijuana2	0.20	0.17	0.28	0.34
16-17	0.67	0.67	Cigarettes	0.35	0.30	0.52	0.53
			Alcohol	0.37	0.35	0.48	0.51
GENDER			"Binge" Alcohol3	0.30	0.28	0.41	0.43
Male	0.58	0.55
Female	0.53	0.54	PAST YEAR
			Any Illicit Drug2	0.40	0.35	0.55	0.55
HISPANIC ORIGIN AND RACE			Marijuana	0.35	0.30	0.51	0.50
Not Hispanic			Any Illicit Drug Other
White Only	0.49	0.47	Than Marijuana2	0.31	0.26	0.43	0.48
Black Only	1.03	1.08	Cigarettes	0.43	0.38	0.58	0.61
American Indian or Alaska Native Only	4.61	*	Alcohol	0.51	0.46	0.65	0.66
			"Binge" Alcohol3	--	--	--	--
Native Hawaiian or Other Pacific Islander	*	*
			LIFETIME
Asian Only	2.34	2.52	Any Illicit Drug2	0.46	0.43	0.58	0.61
More Than One Race	3.19	3.55	Marijuana	0.39	0.36	0.55	0.55
Hispanic	1.12	1.08	Any Illicit Drug Other
			Than Marijuana2	0.39	0.34	0.51	0.55
COUNTY TYPE			Cigarettes	0.51	0.47	0.61	0.66
Large Metro	0.59	0.54	Alcohol	0.54	0.48	0.66	0.70
Small Metro	0.69	0.75	"Binge" Alcohol3	--	--	--	--
Nonmetro	0.78	0.78

*Low precision; no estimate reported.

-- Not available.

¹ Respondents with missing data were excluded.

² Any Illicit Drug indicates use at least once of marijuana/hashish, cocaine (including crack), heroin, hallucinogens (including LSD and PCP), inhalants, or any prescription-type psychotherapeutic used nonmedically. Any Illicit Drug Other Than Marijuana indicates use at least once of any of these listed drugs, regardless of marijuana/hashish use; marijuana/hashish users who also have used any of the other listed drugs are included.

³ "Binge" Alcohol Use is defined as drinking five or more drinks on the same occasion on at least 1 day in the past 30 days. By "occasion" is meant at the same time or within a couple hours of each other.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 3.2P P-Values from Tests of Differences in Percentages of Persons Aged 12 to 17 Reporting (I) Perceived Great Risk of Smoking One or More Packs of Cigarettes Per Day, by Demographic Characteristics, and (II) Selected Drug Use, by Risk Perceptions of Cigarette Smoking: 2000 Versus 1999 List of Tables: Prevalence Estimates and Sample Sizes

(I) Demographic Characteristic	Smoke One or More Packs of Cigarettes Per Day1		(II) Drug Use	Smoke One or More Packs of Cigarettes Per Day1
	Great Risk			Great Risk		Moderate/Slight/No Risk
	1999	2000		1999	2000	1999	2000
TOTAL	0.0000		PAST MONTH
			Any Illicit Drug2	0.7823		0.6223
AGE			Marijuana	0.9353		0.8346
12-13	0.0000		Any Illicit Drug Other
14-15	0.0006		Than Marijuana2	0.5227		0.1309
16-17	0.0005		Cigarettes	0.0023		0.2775