Percent distribution of the drinking levels of females 18 years of age and older according to selected characteristics: United States, NHIS, 1997

[dkpat27.htm, updated 12/07]

	Drinking Levels
	Abstainer	Light drinker	Moderate drinker	Heavier drinker
	Estimate
Age
18–24 years
2006	45.5	41.3	7.6	5.5
CI	(42.0–49.0)	(38.1–44.6)	(5.9–9.4)	(4.0–7.0)
2005	46.3	42.4	6.3	5.0
CI	(42.9–49.7)	(39.2–45.5)	(4.9–7.7)	(3.7–6.3)
2004	47.5	40.2	7.5	4.8
CI	(44.7–50.4)	(37.5–42.9)	(5.8–9.2)	(3.7–5.9)
2003	45.2	43.2	6.1	5.5
CI	(42.0–48.4)	(40.2–46.3)	(4.9–7.3)	(4.1–6.9)
2002	42.4	45.4	6.2	6.0
CI	(39.2–45.5)	(42.5–48.3)	(5.0–7.5)	(4.6–7.4)
2001	42.3	45.4	7.6	4.7
CI	(39.3–45.4)	(42.7–48.1)	(6.0–9.2)	(3.6–5.8)
2000	45.1	44.8	4.8	5.2
CI	(42.4–47.9)	(42.1–47.6)	(3.8–5.9)	(4.0–6.5)
1999	42.9	46.9	6.7	3.5
CI	(39.7–46.0)	(43.9–49.9)	(5.2–8.2)	(2.4–4.6)
1998	46.5	44.2	5.3	3.9
CI	(43.4–49.6)	(41.3–47.2)	(4.1–6.6)	(2.9–5.0)
1997	42.3	47.3	6.1	4.4
CI	(39.6–44.9)	(44.7–49.8)	(4.7–7.4)	(3.4–5.5)
25–34 years
2006	38.7	49.9	7.7	3.7
CI	(36.0–41.4)	(47.3–52.5)	(6.5–8.9)	(2.8–4.5)
2005	36.1	53.4	6.4	4.0
CI	(34.0–38.2)	(51.3–55.5)	(5.4–7.5)	(3.2–4.9)
2004	38.9	50.9	7.0	3.2
CI	(36.9–40.9)	(48.9–53.0)	(5.9–8.1)	(2.5–3.8)
2003	37.7	51.6	7.3	3.5
CI	(35.6–39.7)	(49.4–53.7)	(6.3–8.3)	(2.7–4.2)
2002	34.8	55.1	6.6	3.5
CI	(32.7–36.8)	(53.2–57.1)	(5.6–7.6)	(2.8–4.1)
2001	35.2	52.8	8.1	3.8
CI	(33.5–37.0)	(51.0–54.7)	(7.0–9.2)	(3.1–4.6)
2000	35.6	54.6	6.5	3.3
CI	(33.7–37.6)	(52.7–56.5)	(5.5–7.4)	(2.6–4.0)
1999	35.1	54.9	6.8	3.3
CI	(33.2–36.9)	(52.9–56.9)	(5.8–7.7)	(2.5–4.0)
1998	34.2	56.2	6.8	2.8
CI	(32.4–36.1)	(54.2–58.1)	(5.8–7.8)	(2.2–3.4)
1997	33.9	56.6	6.3	3.2
CI	(32.2–35.6)	(54.8–58.3)	(5.4–7.2)	(2.6–3.8)
35–44 years
2006	36.6	51.7	7.8	3.9
CI	(34.3–38.9)	(49.4–54.1)	(6.5–9.1)	(3.0–4.8)
2005	37.2	51.1	7.8	3.9
CI	(35.3–39.2)	(49.2–53.0)	(6.8–8.8)	(3.2–4.7)
2004	38.2	50.2	7.2	4.4
CI	(36.2–40.2)	(48.1–52.2)	(6.3–8.2)	(3.6–5.3)
2003	36.2	51.9	8.4	3.6
CI	(34.2–38.2)	(49.9–53.9)	(7.3–9.4)	(2.9–4.3)
2002	36.1	51.2	8.4	4.3
CI	(34.2–38.0)	(49.3–53.2)	(7.2–9.6)	(3.6–5.1)
2001	34.7	52.9	8.0	4.4
CI	(33.0–36.4)	(51.0–54.7)	(7.0–8.9)	(3.6–5.2)
2000	36.1	53.7	6.8	3.4
CI	(34.1–38.1)	(51.7–55.7)	(5.9–7.7)	(2.8–4.0)
1999	33.9	53.5	8.0	4.7
CI	(31.9–35.8)	(51.5–55.5)	(7.0–8.9)	(3.9–5.5)
1998	33.9	53.7	7.9	4.5
CI	(32.0–35.8)	(51.6–55.7)	(6.9–8.9)	(3.7–5.3)
1997	34.0	54.4	7.2	4.4
CI	(32.4–35.5)	(52.8–56.0)	(6.4–8.1)	(3.7–5.1)
45–54 years
2006	39.7	45.6	8.6	6.1
CI	(37.3–42.1)	(43.1–48.1)	(7.2–10.0)	(4.9–7.3)
2005	38.1	48.4	8.6	5.0
CI	(36.0–40.1)	(46.4–50.3)	(7.5–9.7)	(4.1–5.8)
2004	40.1	48.0	7.6	4.3
CI	(38.0–42.1)	(46.0–50.0)	(6.6–8.7)	(3.5–5.1)
2003	39.6	47.1	8.9	4.4
CI	(37.5–41.7)	(44.9–49.2)	(7.7–10.0)	(3.6–5.3)
2002	38.7	49.5	7.2	4.6
CI	(36.6–40.7)	(47.4–51.7)	(6.1–8.3)	(3.7–5.5)
2001	38.8	49.1	7.4	4.7
CI	(36.8–40.7)	(47.2–51.0)	(6.5–8.4)	(3.8–5.6)
2000	39.9	49.6	7.2	3.2
CI	(37.8–42.0)	(47.6–51.7)	(6.2–8.3)	(2.6–3.8)
1999	38.3	48.8	8.5	4.4
CI	(36.1–40.4)	(46.8–50.9)	(7.3–9.7)	(3.5–5.3)
1998	40.1	48.0	7.3	4.6
CI	(38.0–42.3)	(45.8–50.3)	(6.3–8.3)	(3.7–5.4)
1997	39.4	48.6	7.6	4.4
CI	(37.2–41.5)	(46.4–50.9)	(6.5–8.6)	(3.6–5.2)
55–64 years
2006	49.6	38.4	7.2	4.8
CI	(46.4–52.7)	(35.5–41.3)	(5.9–8.6)	(3.6–6.0)
2005	48.6	39.3	8.0	4.2
CI	(46.2–50.9)	(36.9–41.7)	(6.7–9.2)	(3.3–5.1)
2004	46.1	42.5	8.2	3.2
CI	(43.7–48.6)	(40.0–45.0)	(6.9–9.4)	(2.4–4.1)
2003	50.6	38.7	6.3	4.4
CI	(48.1–53.0)	(36.4–41.0)	(5.1–7.5)	(3.4–5.5)
2002	46.4	41.6	7.5	4.4
CI	(44.1–48.8)	(39.2–44.1)	(6.5–8.5)	(3.5–5.4)
2001	48.4	41.9	6.4	3.3
CI	(45.8–50.9)	(39.4–44.3)	(5.3–7.6)	(2.5–4.2)
2000	49.4	40.4	5.7	4.6
CI	(46.9–51.8)	(38.0–42.8)	(4.6–6.8)	(3.4–5.6)
1999	52.4	38.0	6.6	3.0
CI	(50.0–54.8)	(35.6–40.5)	(5.3–7.8)	(2.2–3.8)
1998	51.5	38.9	5.8	3.8
CI	(49.0–53.9)	(36.7–41.2)	(4.7–6.9)	(2.9–4.8)
1997	50.6	38.5	6.6	4.3
CI	(48.1–53.0)	(36.2–40.8)	(5.3–7.8)	(3.4–5.3)
65+ years
2006	64.4	26.0	6.0	3.6
CI	(62.1–66.7)	(24.1–28.0)	(4.9–7.1)	(2.2–4.9)
2005	63.5	27.5	6.0	3.0
CI	(61.6–65.4)	(25.7–29.4)	(5.2–6.9)	(2.3–3.6)
2004	63.1	28.4	6.4	2.1
CI	(61.1–65.0)	(26.7–30.1)	(5.4–7.4)	(1.5–2.7)
2003	63.5	27.3	6.2	3.0
CI	(61.5–65.5)	(25.6–29.1)	(5.2–7.1)	(2.3–3.7)
2002	66.4	25.5	5.3	2.7
CI	(64.4–68.5)	(23.8–27.2)	(4.3–6.4)	(1.9–3.5)
2001	64.5	27.3	5.2	3.0
CI	(62.5–66.5)	(25.5–29.0)	(4.4–6.0)	(2.3–3.7)
2000	63.8	28.8	5.2	2.2
CI	(61.8–65.8)	(27.1–30.6)	(4.3–6.1)	(1.6–2.7)
1999	65.8	26.8	4.5	2.9
CI	(63.9–67.7)	(25.1–28.5)	(3.7–5.3)	(2.3–3.5)
1998	65.0	27.2	5.4	2.3
CI	(63.3–66.7)	(25.7–28.7)	(4.7–6.2)	(1.7–3.0)
1997	63.4	28.5	5.5	2.6
CI	(61.6–65.1)	(26.9–30.1)	(4.7–6.3)	(2.1–3.1)
Education
Less than HS
2006	69.6	25.4	2.9	2.2
CI	(67.4–71.8)	(23.4–27.4)	(2.1–3.7)	(1.5–2.8)
2005	68.7	26.0	2.7	2.6
CI	(66.5–70.9)	(23.9–28.0)	(2.0–3.3)	(1.9–3.3)
2004	69.2	25.8	3.3	1.7
CI	(67.2–71.1)	(23.9–27.8)	(2.6–4.1)	(1.2–2.2)
2003	69.9	24.9	3.1	2.1
CI	(67.9–71.9)	(23.0–26.7)	(2.3–3.9)	(1.5–2.7)
2002	68.4	26.3	2.2	3.0
CI	(66.5–70.3)	(24.5–28.2)	(1.7–2.7)	(2.4–3.7)
2001	68.2	26.4	2.9	2.5
CI	(66.3–70.0)	(24.6–28.2)	(2.2–3.5)	(1.9–3.2)
2000	67.3	28.0	2.6	2.2
CI	(65.3–69.3)	(26.1–29.8)	(2.0–3.1)	(1.6–2.7)
1999	68.1	26.2	3.0	2.7
CI	(66.3–70.0)	(24.4–27.9)	(2.4–3.7)	(2.0–3.3)
1998	68.5	26.2	3.1	2.2
CI	(66.8–70.2)	(24.5–27.8)	(2.5–3.8)	(1.6–2.7)
1997	66.1	28.7	2.8	2.4
CI	(64.5–67.8)	(27.1–30.3)	(2.1–3.4)	(1.9–2.9)
GED
2006	54.0	36.7	*3.5	*5.8
CI	(46.1–62.0)	(28.7–44.7)	*(1.2–5.7)	*(3.1–8.5)
2005	46.6	44.8	*5.2	*3.4
CI	(40.4–52.8)	(38.8–50.7)	*(2.2–8.3)	*(1.2–5.5)
2004	49.0	41.4	*6.3	*3.3
CI	(42.8–55.2)	(35.5–47.3)	*(2.8–9.9)	*(1.5–5.1)
2003	46.6	42.0	6.6	*4.8
CI	(41.1–52.2)	(36.5–47.5)	(4.1–9.1)	*(2.2–7.4)
2002	46.6	42.0	6.6	*4.9
CI	(41.9–51.2)	(37.3–46.6)	(4.1–9.1)	*(2.8–7.0)
2001	48.5	41.6	*5.6	*4.3
CI	(43.1–53.9)	(36.3–46.9)	*(3.3–7.8)	*(2.1–6.4)
2000	46.4	44.9	*5.6	*3.0
CI	(40.9–52.0)	(39.5–50.4)	*(3.2–8.0)	*(1.5–4.6)
1999	47.5	41.9	*5.3	*5.3
CI	(41.6–53.5)	(36.4–47.3)	*(2.5–8.1)	*(1.9–8.7)
1998	45.7	44.0	*5.8	*4.6
CI	(40.1–51.3)	(38.5–49.4)	*(3.3–8.2)	*(2.3–6.9)
1997	43.6	44.2	6.6	*5.5
CI	(38.5–48.7)	(39.4–49.1)	(4.1–9.2)	*(3.0–8.0)
HS graduate
2006	50.4	39.4	5.7	4.6
CI	(48.1–52.6)	(37.4–41.4)	(4.7–6.7)	(3.5–5.7)
2005	51.4	39.5	5.4	3.7
CI	(49.6–53.2)	(37.7–41.3)	(4.7–6.2)	(3.1–4.3)
2004	51.0	40.4	5.3	3.4
CI	(49.2–52.8)	(38.6–42.1)	(4.6–6.0)	(2.7–4.0)
2003	50.1	39.9	6.2	3.8
CI	(48.1–52.1)	(38.1–41.7)	(5.3–7.0)	(3.2–4.4)
2002	48.5	42.7	5.6	3.2
CI	(46.6–50.3)	(40.9–44.5)	(4.7–6.5)	(2.7–3.8)
2001	47.7	43.3	5.9	3.1
CI	(46.0–49.3)	(41.7–44.9)	(5.2–6.7)	(2.5–3.6)
2000	49.1	42.3	5.3	3.3
CI	(47.4–50.8)	(40.6–43.9)	(4.6–6.0)	(2.7–4.0)
1999	47.9	43.0	5.8	3.3
CI	(46.0–49.7)	(41.2–44.7)	(5.0–6.7)	(2.8–3.9)
1998	48.4	42.4	5.7	3.5
CI	(46.8–49.9)	(40.8–43.9)	(5.0–6.4)	(2.9–4.1)
1997	45.5	45.1	5.8	3.6
CI	(43.9–47.1)	(43.5–46.7)	(5.0–6.5)	(3.1–4.2)
Some college
2006	39.0	47.5	8.4	5.1
CI	(37.0–41.1)	(45.3–49.6)	(7.3–9.5)	(4.2–6.0)
2005	37.0	50.6	8.2	4.3
CI	(35.3–38.8)	(48.8–52.3)	(7.2–9.1)	(3.6–4.9)
2004	39.6	48.5	7.5	4.4
CI	(37.9–41.3)	(46.8–50.3)	(6.6–8.4)	(3.7–5.1)
2003	39.5	48.0	7.8	4.7
CI	(37.8–41.2)	(46.4–49.7)	(6.9–8.7)	(4.0–5.4)
2002	37.0	50.8	7.3	5.0
CI	(35.3–38.6)	(49.1–52.4)	(6.4–8.2)	(4.3–5.7)
2001	35.6	51.0	8.5	4.9
CI	(33.9–37.3)	(49.4–52.6)	(7.5–9.4)	(4.2–5.6)
2000	37.8	51.7	6.8	3.7
CI	(36.0–39.6)	(50.0–53.5)	(6.0–7.5)	(3.1–4.3)
1999	36.1	52.1	7.6	4.2
CI	(34.3–37.8)	(50.4–53.8)	(6.7–8.5)	(3.5–4.9)
1998	35.9	52.3	7.5	4.2
CI	(34.4–37.5)	(50.6–54.0)	(6.6–8.4)	(3.5–5.0)
1997	35.3	53.0	7.4	4.3
CI	(33.8–36.8)	(51.5–54.4)	(6.6–8.2)	(3.7–4.9)
College graduate
2006	30.2	52.4	12.0	5.3
CI	(28.3–32.2)	(50.5–54.4)	(10.7–13.4)	(4.4–6.3)
2005	29.4	53.7	11.3	5.7
CI	(27.6–31.1)	(51.8–55.5)	(10.1–12.4)	(4.8–6.6)
2004	29.3	54.1	12.2	4.4
CI	(27.6–31.0)	(52.3–55.9)	(11.0–13.4)	(3.7–5.1)
2003	27.2	56.9	11.3	4.6
CI	(25.5–29.0)	(55.0–58.7)	(10.1–12.4)	(3.9–5.4)
2002	27.8	55.4	11.7	5.1
CI	(26.2–29.4)	(53.5–57.2)	(10.6–12.8)	(4.3–5.9)
2001	28.0	56.0	10.7	5.3
CI	(26.5–29.5)	(54.3–57.8)	(9.6–11.8)	(4.5–6.0)
2000	27.5	58.5	9.4	4.5
CI	(25.7–29.3)	(56.7–60.3)	(8.4–10.5)	(3.8–5.3)
1999	28.6	56.6	10.6	4.2
CI	(26.8–30.3)	(54.8–58.3)	(9.5–11.8)	(3.4–5.1)
1998	27.7	58.5	9.8	4.1
CI	(26.0–29.4)	(56.6–60.4)	(8.6–10.9)	(3.4–4.8)
1997	27.0	57.9	10.3	4.7
CI	(25.4–28.7)	(56.1–59.7)	(9.2–11.5)	(4.0–5.4)
Race/Ethnicity
Hispanic
2006	60.5	34.6	3.1	1.8
CI	(57.6–63.4)	(31.8–37.4)	(2.3–3.9)	(1.0–2.6)
2005	58.8	37.0	3.1	1.1
CI	(56.3–61.2)	(34.6–39.5)	(2.4–3.9)	(0.7–1.5)
2004	62.6	33.2	3.0	1.3
CI	(60.2–65.0)	(30.9–35.5)	(2.2–3.7)	(0.8–1.7)
2003	60.6	34.9	2.7	1.8
CI	(58.1–63.1)	(32.5–37.2)	(1.9–3.5)	(1.3–2.4)
2002	60.7	34.4	2.9	2.0
CI	(58.5–63.0)	(32.1–36.7)	(2.2–3.6)	(1.4–2.6)
2001	59.3	35.9	3.3	1.5
CI	(57.1–61.5)	(33.7–38.2)	(2.6–4.0)	(1.0–2.0)
2000	57.6	38.3	2.8	1.3
CI	(55.4–59.8)	(36.1–40.5)	(2.1–3.6)	(0.8–1.7)
1999	59.0	35.8	3.7	1.6
CI	(56.6–61.3)	(33.5–38.1)	(2.8–4.5)	(1.1–2.0)
1998	59.6	35.6	3.0	1.8
CI	(57.6–61.5)	(33.7–37.6)	(2.3–3.7)	(1.2–2.4)
1997	56.3	38.0	3.5	2.2
CI	(54.1–58.6)	(35.8–40.2)	(2.7–4.3)	(1.6–2.8)
White, non-Hispanic
2006	39.1	46.1	9.2	5.6
CI	(37.5–40.7)	(44.7–47.6)	(8.5–10.0)	(5.0–6.1)
2005	38.3	47.6	8.9	5.2
CI	(37.1–39.6)	(46.4–48.9)	(8.2–9.5)	(4.7–5.6)
2004	39.1	47.5	9.0	4.4
CI	(37.9–40.3)	(46.3–48.7)	(8.4–9.7)	(4.0–4.8)
2003	39.5	46.9	9.0	4.7
CI	(38.0–40.9)	(45.6–48.2)	(8.4–9.6)	(4.2–5.1)
2002	38.2	48.7	8.1	4.9
CI	(37.1–39.4)	(47.6–49.9)	(7.5–8.7)	(4.5–5.3)
2001	37.4	49.3	8.5	4.9
CI	(36.2–38.5)	(48.3–50.4)	(7.9–9.0)	(4.4–5.4)
2000	39.1	49.7	7.1	4.1
CI	(37.8–40.4)	(48.5–50.8)	(6.6–7.6)	(3.7–4.5)
1999	38.8	49.1	7.9	4.2
CI	(37.5–40.1)	(47.9–50.3)	(7.4–8.5)	(3.8–4.7)
1998	39.0	49.3	7.7	4.1
CI	(37.9–40.1)	(48.2–50.4)	(7.1–8.2)	(3.6–4.5)
1997	38.1	50.0	7.7	4.3
CI	(36.9–39.2)	(48.9–51.0)	(7.2–8.2)	(3.9–4.7)
Black, non-Hispanic
2006	58.4	35.1	3.8	2.8
CI	(55.6–61.2)	(32.4–37.7)	(2.8–4.8)	(2.0–3.5)
2005	60.6	34.3	3.2	1.9
CI	(58.3–62.8)	(32.1–36.4)	(2.5–4.0)	(1.3–2.5)
2004	59.2	35.8	2.6	2.3
CI	(56.6–61.9)	(33.4–38.3)	(2.0–3.3)	(1.6–3.0)
2003	56.1	37.3	3.7	3.0
CI	(53.5–58.7)	(34.7–39.9)	(2.8–4.5)	(2.3–3.6)
2002	57.7	35.5	4.4	2.5
CI	(55.3–60.0)	(33.2–37.8)	(3.3–5.4)	(1.7–3.3)
2001	59.8	34.4	3.9	1.9
CI	(57.6–62.0)	(32.3–36.5)	(3.0–4.8)	(1.4–2.5)
2000	59.1	34.6	4.3	2.1
CI	(56.5–61.6)	(32.3–36.9)	(3.4–5.2)	(1.5–2.6)
1999	57.5	35.1	4.5	2.9
CI	(55.1–59.9)	(32.8–37.3)	(3.5–5.5)	(2.1–3.7)
1998	58.2	34.8	4.1	3.0
CI	(55.8–60.6)	(32.6–37.0)	(3.1–5.0)	(2.1–3.8)
1997	57.4	36.3	3.3	2.9
CI	(54.7–60.2)	(33.9–38.8)	(2.5–4.2)	(2.2–3.6)
Other, non-Hispanic
2006	64.3	29.7	*4.0	*2.0
CI	(60.3–68.2)	(25.9–33.5)	*(2.4–5.6)	*(0.8–3.1)
2005	63.0	32.1	*2.9	*2.0
CI	(57.9–68.2)	(26.9–37.4)	*(1.4–4.3)	*(0.8–3.1)
2004	64.8	31.2	*2.7	*1.4
CI	(60.7–68.9)	(27.0–35.3)	*(1.5–3.9)	*(0.0–2.8)
2003	64.2	33.2	*1.7	*0.9
CI	(60.1–68.3)	(29.2–37.2)	*(0.7–2.6)	*(0.2–1.6)
2002	57.6	36.8	*3.9	*1.7
CI	(52.7–62.4)	(32.1–41.5)	*(2.3–5.5)	*(0.7–2.8)
2001	63.5	31.4	*3.7	*1.4
CI	(59.6–67.4)	(27.3–35.4)	*(2.1–5.4)	*(0.5–2.4)
2000	63.8	31.5	*2.8	*2.0
CI	(59.2–68.3)	(27.2–35.8)	*(1.2–4.3)	*(0.4–3.6)
1999	61.3	34.0	*3.1	*1.7
CI	(56.4–66.2)	(29.4–38.6)	*(1.5–4.6)	*(0.6–2.7)
1998	65.4	30.8	*2.5	*1.3
CI	(60.7–70.1)	(26.4–35.2)	*(1.1–3.9)	*(0.3–2.4)
1997	62.9	31.9	*2.9	*2.3
CI	(58.0–67.9)	(27.3–36.6)	*(1.6–4.1)	*(1.1–3.4)
Marital Status
Married
2006	44.0	43.9	7.7	4.4
CI	(42.3–45.7)	(42.4–45.5)	(6.9–8.5)	(3.7–5.1)
2005	42.7	46.6	7.2	3.5
CI	(41.3–44.1)	(45.2–47.9)	(6.6–7.9)	(3.1–3.9)
2004	43.9	45.6	7.3	3.2
CI	(42.4–45.3)	(44.3–47.0)	(6.7–8.0)	(2.7–3.6)
2003	43.7	45.3	7.7	3.3
CI	(42.2–45.2)	(43.9–46.7)	(7.1–8.4)	(2.8–3.7)
2002	42.6	46.3	7.4	3.7
CI	(41.2–43.9)	(44.9–47.7)	(6.7–8.1)	(3.3–4.2)
2001	42.5	47.2	6.7	3.5
CI	(41.3–43.8)	(46.0–48.5)	(6.1–7.3)	(3.1–4.0)
2000	42.2	49.1	5.9	2.8
CI	(40.8–43.6)	(47.7–50.4)	(5.4–6.4)	(2.4–3.2)
1999	42.6	47.4	6.8	3.2
CI	(41.2–43.9)	(46.1–48.7)	(6.2–7.4)	(2.8–3.7)
1998	42.6	47.6	6.5	3.3
CI	(41.4–43.8)	(46.3–49.0)	(5.9–7.0)	(2.8–3.8)
1997	41.0	48.9	6.8	3.4
CI	(39.7–42.3)	(47.7–50.0)	(6.2–7.3)	(3.0–3.8)
Live w/ partner
2006	27.6	52.1	10.2	10.1
CI	(23.6–31.7)	(47.4–56.9)	(7.3–13.0)	(7.3–12.9)
2005	30.0	51.0	10.7	8.3
CI	(26.4–33.6)	(47.0–55.0)	(8.1–13.3)	(6.1–10.5)
2004	31.9	51.9	10.3	5.9
CI	(28.4–35.4)	(48.0–55.8)	(7.7–12.9)	(4.1–7.8)
2003	30.5	52.9	9.0	7.6
CI	(26.6–34.3)	(48.7–57.1)	(6.6–11.4)	(5.3–9.8)
2002	30.0	52.9	8.6	8.5
CI	(26.7–33.3)	(49.1–56.6)	(6.6–10.7)	(6.3–10.7)
2001	26.0	54.3	11.9	7.8
CI	(22.8–29.2)	(50.6–58.0)	(9.2–14.5)	(5.6–10.1)
2000	27.3	55.3	9.8	7.5
CI	(24.1–30.6)	(51.6–59.0)	(7.4–12.3)	(5.5–9.6)
1999	28.2	54.3	11.0	6.4
CI	(25.0–31.5)	(50.4–58.3)	(8.7–13.3)	(4.3–8.5)
1998	25.5	57.3	9.8	7.4
CI	(21.8–29.2)	(53.3–61.4)	(7.5–12.2)	(5.4–9.3)
1997	25.5	58.6	7.6	8.2
CI	(22.1–29.0)	(54.7–62.6)	(5.6–9.5)	(6.2–10.3)
Never married
2006	45.3	41.9	8.0	4.8
CI	(42.5–48.2)	(39.2–44.6)	(6.7–9.4)	(3.7–5.9)
2005	44.1	43.3	7.1	5.5
CI	(41.5–46.6)	(40.9–45.7)	(6.0–8.2)	(4.5–6.6)
2004	45.6	42.0	7.4	5.0
CI	(43.2–47.9)	(39.8–44.1)	(6.3–8.5)	(4.1–6.0)
2003	43.2	43.2	7.8	5.7
CI	(40.7–45.8)	(40.8–45.6)	(6.7–9.0)	(4.6–6.8)
2002	40.2	47.1	6.9	5.7
CI	(37.8–42.7)	(44.8–49.4)	(5.8–8.1)	(4.6–6.9)
2001	41.1	44.7	8.7	5.5
CI	(38.8–43.5)	(42.6–46.9)	(7.4–10.0)	(4.5–6.4)
2000	44.6	44.1	6.3	5.0
CI	(42.3–46.9)	(41.8–46.4)	(5.4–7.2)	(4.0–5.9)
1999	41.5	46.1	7.6	4.8
CI	(39.2–43.8)	(44.0–48.2)	(6.5–8.8)	(3.8–5.8)
1998	43.7	44.5	7.6	4.3
CI	(41.3–46.1)	(42.2–46.8)	(6.4–8.7)	(3.4–5.1)
1997	40.2	47.7	7.5	4.5
CI	(38.2–42.3)	(45.7–49.7)	(6.4–8.7)	(3.7–5.3)
Divorced/Separated
2006	43.0	45.6	7.1	4.2
CI	(40.4–45.7)	(43.1–48.2)	(5.8–8.3)	(3.4–5.1)
2005	42.5	44.7	7.9	4.9
CI	(40.4–44.5)	(42.7–46.8)	(6.8–9.0)	(4.0–5.9)
2004	42.3	46.2	7.2	4.3
CI	(40.1–44.5)	(44.0–48.5)	(6.1–8.2)	(3.5–5.1)
2003	41.7	47.6	6.3	4.4
CI	(39.5–43.9)	(45.4–49.9)	(5.3–7.2)	(3.6–5.2)
2002	42.0	47.3	6.8	4.0
CI	(39.8–44.1)	(45.2–49.4)	(5.8–7.7)	(3.2–4.7)
2001	39.5	49.0	7.6	3.9
CI	(37.5–41.5)	(46.9–51.0)	(6.6–8.7)	(3.1–4.7)
2000	40.8	47.5	7.2	4.4
CI	(38.5–43.2)	(45.2–49.9)	(6.1–8.3)	(3.5–5.3)
1999	40.4	48.1	7.1	4.4
CI	(38.2–42.5)	(45.9–50.4)	(6.1–8.1)	(3.6–5.2)
1998	41.4	48.1	6.2	4.3
CI	(39.3–43.4)	(46.1–50.2)	(5.2–7.2)	(3.5–5.1)
1997	40.8	47.6	6.7	4.9
CI	(39.0–42.7)	(45.6–49.5)	(5.8–7.7)	(4.0–5.8)
Widowed
2006	67.2	25.5	4.9	2.4
CI	(64.5–70.0)	(22.9–28.1)	(3.6–6.2)	(1.4–3.3)
2005	65.8	27.2	4.8	2.2
CI	(63.6–68.0)	(25.2–29.3)	(3.7–5.8)	(1.5–2.8)
2004	65.7	27.4	5.2	1.7
CI	(63.5–67.9)	(25.4–29.4)	(4.2–6.1)	(1.2–2.2)
2003	65.6	27.2	4.7	2.6
CI	(63.3–67.9)	(25.1–29.3)	(3.8–5.6)	(1.8–3.3)
2002	66.3	28.1	3.7	1.9
CI	(64.1–68.5)	(26.1–30.1)	(2.8–4.5)	(1.4–2.5)
2001	66.2	27.0	4.3	2.4
CI	(64.1–68.3)	(25.1–29.0)	(3.5–5.2)	(1.8–3.0)
2000	67.7	26.6	4.0	1.7
CI	(65.4–70.0)	(24.5–28.7)	(3.1–4.8)	(1.2–2.3)
1999	66.6	27.1	4.1	2.2
CI	(64.4–68.7)	(25.2–29.1)	(3.3–4.9)	(1.7–2.8)
1998	64.8	28.2	4.8	2.2
CI	(62.6–66.9)	(26.4–30.0)	(3.9–5.8)	(1.5–2.9)
1997	67.3	26.9	3.7	2.2
CI	(65.3–69.3)	(25.0–28.7)	(2.9–4.4)	(1.6–2.7)
Region
Northeast
2006	36.7	49.0	9.5	4.8
CI	(34.6–38.8)	(46.6–51.4)	(8.1–10.8)	(3.6–6.1)
2005	36.1	50.2	9.3	4.4
CI	(34.0–38.2)	(47.8–52.6)	(8.1–10.5)	(3.5–5.4)
2004	38.2	48.9	9.4	3.5
CI	(35.7–40.6)	(46.4–51.4)	(7.8–11.0)	(3.0–4.1)
2003	37.4	49.2	9.1	4.3
CI	(35.4–39.5)	(46.9–51.4)	(7.8–10.3)	(3.4–5.2)
2002	35.0	52.5	8.4	4.1
CI	(33.1–37.0)	(50.4–54.6)	(7.0–9.8)	(3.3–4.8)
2001	36.6	51.2	8.0	4.1
CI	(34.6–38.7)	(49.1–53.4)	(6.9–9.2)	(3.4–4.8)
2000	36.7	52.6	7.4	3.3
CI	(34.5–38.9)	(50.3–54.9)	(6.4–8.3)	(2.6–4.0)
1999	37.2	50.8	7.9	4.0
CI	(35.0–39.4)	(48.8–52.8)	(7.0–8.8)	(3.3–4.8)
1998	38.3	50.9	7.5	3.3
CI	(36.4–40.1)	(49.1–52.8)	(6.6–8.4)	(2.6–4.0)
1997	36.7	52.0	7.6	3.7
CI	(34.8–38.7)	(50.0–54.0)	(6.7–8.5)	(3.0–4.4)
Midwest
2006	40.4	45.8	8.3	5.4
CI	(37.5–43.2)	(43.4–48.3)	(7.1–9.6)	(4.5–6.4)
2005	39.1	49.5	7.2	4.2
CI	(36.9–41.4)	(47.4–51.5)	(6.1–8.2)	(3.5–4.9)
2004	38.6	49.8	7.3	4.3
CI	(36.7–40.5)	(48.1–51.5)	(6.3–8.2)	(3.6–5.1)
2003	39.4	49.5	7.4	3.8
CI	(36.6–42.1)	(47.0–51.9)	(6.5–8.2)	(3.2–4.5)
2002	39.6	49.1	7.3	4.0
CI	(37.4–41.7)	(47.1–51.2)	(6.3–8.3)	(3.3–4.7)
2001	37.2	50.5	7.7	4.6
CI	(35.3–39.1)	(48.7–52.4)	(6.8–8.6)	(3.7–5.4)
2000	39.0	50.3	6.8	3.9
CI	(36.5–41.5)	(48.1–52.6)	(5.9–7.7)	(3.2–4.5)
1999	37.8	51.3	7.3	3.6
CI	(35.7–40.0)	(49.3–53.3)	(6.4–8.1)	(2.7–4.4)
1998	37.8	51.1	7.4	3.7
CI	(36.0–39.6)	(49.1–53.1)	(6.5–8.3)	(3.0–4.4)
1997	39.0	51.2	6.6	3.2
CI	(36.9–41.0)	(49.3–53.1)	(5.7–7.5)	(2.7–3.8)
South
2006	51.8	38.2	6.3	3.7
CI	(49.5–54.0)	(36.3–40.1)	(5.4–7.2)	(3.1–4.3)
2005	51.7	38.7	6.0	3.6
CI	(49.9–53.6)	(36.9–40.4)	(5.2–6.8)	(3.1–4.2)
2004	52.9	37.7	6.4	3.1
CI	(51.2–54.6)	(36.2–39.2)	(5.6–7.1)	(2.5–3.6)
2003	52.4	38.0	6.0	3.5
CI	(50.6–54.3)	(36.5–39.6)	(5.2–6.8)	(3.0–4.1)
2002	51.3	38.8	5.8	4.1
CI	(49.7–53.0)	(37.3–40.3)	(5.1–6.5)	(3.6–4.6)
2001	51.7	38.9	5.7	3.7
CI	(50.1–53.3)	(37.6–40.3)	(5.0–6.4)	(3.1–4.2)
2000	53.1	39.1	4.9	3.0
CI	(51.4–54.7)	(37.6–40.6)	(4.3–5.5)	(2.5–3.5)
1999	52.5	38.5	5.8	3.2
CI	(50.7–54.3)	(36.9–40.0)	(5.1–6.5)	(2.7–3.7)
1998	52.6	39.1	5.1	3.3
CI	(50.8–54.3)	(37.4–40.7)	(4.4–5.8)	(2.8–3.8)
1997	50.7	40.0	5.4	3.9
CI	(49.1–52.3)	(38.5–41.4)	(4.8–6.1)	(3.3–4.4)
West
2005	47.3	40.8	7.1	4.8
CI	(44.6–50.0)	(38.6–43.0)	(5.9–8.3)	(4.0–5.7)
2005	46.2	41.5	7.6	4.7
CI	(44.1–48.3)	(39.7–43.4)	(6.6–8.6)	(3.9–5.5)
2004	47.0	42.2	6.9	3.9
CI	(44.7–49.3)	(40.1–44.4)	(6.1–7.7)	(3.2–4.6)
2003	45.4	42.0	8.0	4.6
CI	(43.2–47.6)	(40.0–44.1)	(7.1–8.9)	(3.7–5.5)
2002	43.5	44.7	7.2	4.7
CI	(41.5–45.5)	(42.5–46.8)	(6.3–8.1)	(3.9–5.5)
2001	42.4	45.1	8.5	4.0
CI	(40.3–44.5)	(43.2–47.1)	(7.5–9.5)	(3.1–4.9)
2000	42.9	46.5	6.5	4.1
CI	(41.0–44.8)	(44.6–48.4)	(5.7–7.2)	(3.4–4.9)
1999	42.4	45.7	7.5	4.4
CI	(40.3–44.5)	(43.6–47.8)	(6.3–8.7)	(3.5–5.3)
1998	43.3	44.8	7.5	4.5
CI	(41.5–45.1)	(42.9–46.6)	(6.6–8.4)	(3.4–5.5)
1997	40.8	46.9	7.5	4.8
CI	(38.9–42.8)	(45.1–48.7)	(6.6–8.5)	(3.9–5.5)
Employment Status
Employed
2006	35.5	50.2	9.1	5.1
CI	(34.0–37.1)	(48.7–51.8)	(8.3–10.0)	(4.5–5.7)
2005	34.9	52.1	8.4	4.6
CI	(33.6–36.2)	(50.8–53.5)	(7.7–9.1)	(4.1–5.1)
2004	35.8	51.2	8.5	4.5
CI	(34.6–37.0)	(50.0–52.4)	(7.8–9.2)	(4.0–4.9)
2003	35.1	52.2	8.5	4.2
CI	(33.8–36.5)	(50.9–53.6)	(7.8–9.1)	(3.7–4.6)
2002	34.3	53.0	8.1	4.6
CI	(33.1–35.5)	(51.8–54.2)	(7.4–8.8)	(4.2–5.1)
2001	34.2	52.9	8.2	4.7
CI	(33.1–35.3)	(51.9–54.0)	(7.6–8.8)	(4.2–5.2)
2000	35.3	53.7	7.0	4.0
CI	(34.0–36.6)	(52.4–54.9)	(6.4–7.6)	(3.5–4.4)
1999	34.1	53.8	8.0	4.1
CI	(32.8–35.3)	(52.6–55.1)	(7.4–8.6)	(3.6–4.6)
1998	33.8	53.9	7.8	4.4
CI	(32.6–35.0)	(52.7–55.2)	(7.2–8.5)	(3.9–4.9)
1997	33.6	54.8	7.4	4.2
CI	(32.5–34.7)	(53.6–55.9)	(6.8–8.0)	(3.7–4.6)
Unemployed
2006	42.4	45.0	*5.1	*7.5
CI	(36.8–48.0)	(39.0–51.0)	*(2.3–7.9)	*(4.3–10.7)
2005	41.6	45.0	6.4	7.0
CI	(36.9–46.3)	(40.2–49.8)	(4.2–8.7)	(4.2–9.8)
2004	41.6	49.0	5.8	*3.6
CI	(36.4–46.8)	(44.0–54.0)	(3.5–8.1)	*(2.0–5.2)
2003	42.7	43.6	7.7	6.0
CI	(37.9–47.5)	(38.9–48.3)	(5.2–10.1)	(3.5–8.6)
2002	38.8	48.5	7.4	5.4
CI	(34.4–43.2)	(43.9–53.1)	(5.0–9.8)	(3.3–7.4)
2001	41.2	45.5	8.5	4.8
CI	(36.0–46.5)	(40.4–50.6)	(5.8–11.1)	(2.7–6.9)
2000	45.5	41.6	*6.4	*6.5
CI	(39.5–51.4)	(35.9–47.3)	*(3.8–9.0)	*(3.5–9.5)
1999	39.7	48.2	*6.4	*5.6
CI	(33.9–45.6)	(42.3–54.1)	*(3.4–9.5)	*(2.9–8.4)
1998	41.6	47.6	*5.8	*4.9
CI	(35.5–47.7)	(41.6–53.7)	*(3.5–8.2)	*(2.7–7.2)
1997	41.6	46.0	6.0	6.3
CI	(36.8–46.5)	(41.0–51.1)	(3.8–8.3)	(4.1–8.4)
Not in labor force
2006	60.5	30.6	5.4	3.5
CI	(58.6–62.4)	(29.0–32.3)	(4.6–6.1)	(2.7–4.3)
2005	59.3	31.9	5.6	3.2
CI	(57.9–60.7)	(30.5–33.2)	(4.9–6.2)	(2.8–3.7)
2004	60.0	32.1	5.6	2.4
CI	(58.6–61.4)	(30.8–33.4)	(4.9–6.2)	(1.9–2.8)
2003	59.2	31.7	5.6	3.5
CI	(57.7–60.8)	(30.3–33.1)	(4.9–6.2)	(3.0–4.0)
2002	58.8	32.5	5.2	3.4
CI	(57.4–60.3)	(31.2–33.9)	(4.5–5.8)	(2.9–4.0)
2001	58.3	33.3	5.5	2.9
CI	(56.8–59.8)	(31.9–34.7)	(4.8–6.2)	(2.5–3.4)
2000	58.6	34.2	4.8	2.4
CI	(57.1–60.1)	(32.8–35.5)	(4.2–5.4)	(2.0–2.9)
1999	58.8	32.9	5.3	3.0
CI	(57.4–60.2)	(31.6–34.2)	(4.7–5.9)	(2.5–3.4)
1998	59.3	33.4	4.8	2.5
CI	(58.0–60.6)	(32.2–34.6)	(4.3–5.4)	(2.0–3.0)
1997	56.5	34.9	5.4	3.2
CI	(55.1–57.9)	(33.7–36.1)	(4.8–6.0)	(2.7–3.6)
Income
$1–9,999
2006	42.3	46.3	6.9	4.5
CI	(38.5–46.2)	(42.5–50.0)	(5.3–8.5)	(3.2–5.8)
2005	40.1	48.4	6.0	5.5
CI	(37.0–43.2)	(45.2–51.6)	(4.7–7.4)	(4.1–6.8)
2004	44.5	44.4	6.8	4.3
CI	(41.4–47.7)	(41.3–47.4)	(5.3–8.2)	(3.1–5.6)
2003	41.3	46.4	7.8	4.5
CI	(38.1–44.5)	(43.5–49.4)	(6.4–9.2)	(3.2–5.8)
2002	42.2	46.4	6.4	5.0
CI	(39.3–45.1)	(43.5–49.2)	(5.0–7.8)	(3.6–6.4)
2001	40.6	47.0	7.9	4.6
CI	(37.7–43.5)	(44.4–49.5)	(6.0–9.7)	(3.6–5.6)
2000	43.4	46.8	6.0	3.8
CI	(41.0–45.9)	(44.2–49.3)	(4.9–7.2)	(2.8–4.8)
1999	44.3	44.5	7.3	3.9
CI	(41.6–46.9)	(42.0–47.1)	(5.9–8.6)	(3.0–4.9)
1998	44.6	45.5	6.4	3.6
CI	(41.8–47.3)	(42.8–48.2)	(5.3–7.5)	(2.7–4.4)
1997	39.8	49.5	6.5	4.1
CI	(37.7–41.9)	(47.5–51.6)	(5.5–7.5)	(3.3–4.9)
$10–19,999
2006	38.4	49.2	7.7	4.7
CI	(35.2–41.6)	(45.8–52.7)	(5.9–9.4)	(3.2–6.2)
2005	37.2	51.2	7.0	4.6
CI	(34.5–39.8)	(48.4–53.9)	(5.6–8.4)	(3.4–5.9)
2004	40.6	48.1	7.5	3.8
CI	(37.8–43.3)	(45.4–50.9)	(5.9–9.0)	(2.9–4.7)
2003	41.7	48.2	5.8	4.4
CI	(39.0–44.3)	(45.5–51.0)	(4.4–7.1)	(3.3–5.4)
2002	39.8	50.5	5.5	4.1
CI	(37.2–42.5)	(47.9–53.2)	(4.4–6.6)	(3.2–5.1)
2001	38.2	51.5	6.0	4.3
CI	(35.7–40.6)	(48.9–54.0)	(4.9–7.2)	(3.2–5.5)
2000	40.6	49.7	5.9	3.8
CI	(37.9–43.2)	(46.8–52.7)	(4.7–7.1)	(3.0–4.6)
1999	38.9	49.5	7.6	4.0
CI	(36.5–41.2)	(47.1–51.9)	(6.3–8.8)	(2.9–5.2)
1998	35.8	52.9	6.9	4.4
CI	(33.4–38.2)	(50.3–55.4)	(5.7–8.1)	(3.4–5.4)
1997	36.0	53.4	6.0	4.5
CI	(34.1–38.0)	(51.4–55.4)	(5.0–7.0)	(3.6–5.4)
$20–34,999
2006	34.4	52.4	8.0	5.1
CI	(31.7–37.2)	(49.4–55.4)	(6.5–9.6)	(3.7–6.5)
2005	31.8	55.6	7.9	4.7
CI	(29.5–34.1)	(53.0–58.1)	(6.6–9.2)	(3.7–5.7)
2004	33.0	53.6	8.5	5.0
CI	(30.8–35.2)	(51.2–55.9)	(7.0–9.9)	(4.0–5.9)
2003	32.7	54.6	8.7	4.0
CI	(30.5–34.9)	(52.2–57.1)	(7.3–10.1)	(3.1–4.9)
2002	30.7	57.4	7.4	4.6
CI	(28.5–32.8)	(55.0–59.7)	(6.1–8.6)	(3.8–5.5)
2001	30.1	55.5	9.2	5.2
CI	(27.8–32.3)	(53.1–57.9)	(7.9–10.5)	(4.3–6.2)
2000	30.6	57.4	8.0	4.0
CI	(28.5–32.7)	(55.1–59.7)	(6.8–9.2)	(3.1–4.9)
1999	29.4	58.0	7.9	4.7
CI	(27.1–31.6)	(55.6–60.4)	(6.8–9.1)	(3.7–5.7)
1998	27.3	60.4	8.6	3.6
CI	(25.3–29.3)	(58.3–62.6)	(7.3–9.9)	(2.9–4.4)
1997	27.8	59.1	8.5	4.6
CI	(25.8–29.7)	(57.0–61.1)	(7.4–9.7)	(3.8–5.5)
$35–54,999
2006	25.3	55.8	12.1	6.8
CI	(22.1–28.5)	(52.1–59.6)	(9.9–14.3)	(5.2–8.3)
2005	26.4	57.7	11.1	4.8
CI	(24.1–28.6)	(54.9–60.5)	(9.3–12.9)	(3.6–6.0)
2004	25.7	60.8	9.4	4.1
CI	(23.1–28.3)	(58.1–63.6)	(7.6–11.1)	(2.9–5.3)
2003	25.9	58.9	11.2	3.9
CI	(23.1–28.7)	(55.9–61.9)	(9.4–13.1)	(2.8–5.1)
2002	23.9	60.4	10.8	4.8
CI	(21.5–26.4)	(57.4–63.4)	(8.8–12.9)	(3.7–6.0)
2001	24.2	60.7	9.5	5.5
CI	(21.7–26.7)	(57.9–63.5)	(7.8–11.2)	(4.1–6.9)
2000	22.9	63.8	8.8	4.5
CI	(20.5–25.3)	(61.3–66.3)	(7.4–10.3)	(3.5–5.5)
1999	20.9	64.6	9.8	4.6
CI	(18.2–23.6)	(61.4–67.9)	(8.1–11.6)	(3.4–5.8)
1998	20.2	64.3	9.7	5.9
CI	(17.7–22.6)	(61.2–67.3)	(7.9–11.4)	(4.5–7.3)
1997	20.6	63.8	10.7	4.9
CI	(18.1–23.0)	(61.0–66.5)	(8.9–12.6)	(3.8–6.0)
$55,000 & up
2006	21.6	59.3	11.8	7.3
CI	(18.0–25.2)	(55.1–63.6)	(9.0–14.5)	(4.5–10.2)
2005	17.8	61.9	13.0	7.2
CI	(15.0–20.7)	(58.6–65.3)	(10.7–15.4)	(5.4–9.0)
2004	19.2	58.2	15.0	7.6
CI	(16.1–22.2)	(54.5–61.9)	(12.4–17.7)	(5.6–9.6)
2003	19.7	59.4	14.0	6.9
CI	(16.5–22.8)	(55.3–63.6)	(11.2–16.9)	(4.8–9.0)
2002	17.8	60.3	15.0	6.9
CI	(14.8–20.8)	(56.7–63.8)	(12.4–17.7)	(5.0–8.8)
2001	17.2	60.1	16.4	6.3
CI	(14.3–20.1)	(56.1–64.2)	(13.5–19.3)	(4.6–8.0)
2000	17.4	63.3	12.7	6.5
CI	(14.5–20.4)	(59.2–67.5)	(9.4–16.0)	(4.4–8.6)
1999	15.1	65.0	13.2	6.7
CI	(11.7–18.5)	(60.4–69.7)	(10.2–16.1)	(4.7–8.7)
1998	16.9	60.5	16.2	*6.4
CI	(12.3–21.5)	(54.7–66.2)	(12.4–20.1)	*(4.0–8.9)
1997	17.4	61.1	13.6	7.9
CI	(13.4–21.5)	(56.2–66.0)	(10.2–17.0)	(5.2–10.6)

Estimates calculated by the Alcohol Epidemiologic Data System of the National Institute on Alcohol Abuse and Alcoholism, December 2007.

Definitions:

Abstainer: fewer than 12 drinks in lifetime or no drinks in the past year.

Light drinker: on average, 3 or fewer drinks per week in the past year.

Moderate drinker: on average, more than 3 drinks but no more than 7 drinks per week for women and no more than 14 drinks per week for men in the past year.

Heavier drinker: on average, more than one drink per day for women and more than two drinks per day for men in the past year.

Asterisk (*) indicates there are fewer than 30 respondents in the category.

CI indicates 95-percent confidence interval.

Sources: Centers for Disease Control and Prevention (CDC), National Center for Health Statistics, National Health Interview Survey, 1997–2006. Data from the CDC ftp site (ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Datasets/NHIS).