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. Author manuscript; available in PMC: 2010 Feb 19.
Published in final edited form as: Alcohol Clin Exp Res. 2008 Mar;32(3):386–394. doi: 10.1111/j.1530-0277.2007.00602.x

Table 1.

Demographics, Cognitive Function, and Substance Use Characteristics by Alcohol Use Group and Gender

Female controls (n = 7) mean (SD) or percentage [range] AUD females (n = 5) mean (SD) or percentage [range] Male controls (n = 10) mean (SD) or percentage [range] AUD male (n = 9) mean (SD) or percentage [range]
Age 16.5 (1.0) [15.3–17.75] 17.1 (0.6) [16.4–17.7] 16.6 (0.7) [15.7–17.9] 16.6 (0.7) [15.2–17.5]
% Caucasian 86% 100% 80% 100%
% Family history negativea 43% 20% 44% 44%
% Conduct disorder positive* 0% 0% 0% 56%
Hollingshead socioeconomic index 26.0 (10.1) [18–47] 17.0 (6.6) [11–27] 21.4 (11.9) [11–47] 26.1 (16.1) [11–53]
WRAT-3 reading standard score 109.6 (6.9) [103–123] 110.2 (4.4) [105–115] 104.9 (8.2) [93–115] 104.4 (9.4) [90–120]
Vocabulary scaled score 13.6 (3.7) [9–18] 13.6 (1.8) [12–16] 11.7 (2.2) [8–14] 12.3 (1.3) [11–14]
Days since last drinkb,e 652.8 (473.8) [90–998] 9.0 (4.6) [5–14] 356.7 (483.0) [5–998] 21.0 (17.3) [5–60]
Lifetime alcohol use episodesc,f,g (4.1) [0–11] 164.2 (131.6) [45–505] 5.8 (7.7) [0–20] 137.8 (160.1) [45–505]
Drinks/month, past 3 monthsh 0.0 49.0 (42.2) [3–108] 4.67 (7.2) [0–18] 43.5 (26.1) [17–98]
Regular drinking age of onset n/a 15.2 (1.3) [14–17] n/a 14.6 (0.9) [14–16]
Lifetime alcohol withdrawal symptoms 0 (0) [0–0] 2.0 (1.6) [0–4] 1.3 (3.8) [0–12] 2.5 (2.1) [0–6]
Alcohol abuse and dependence criteria, past 3 monthsd,f 0.0 2.0 (1.0) [1–3] 0.3 (0.5) [0–1] 3.0 (2.3) [0–6]
Lifetime marijuana use episodesc,g (0.4) [0–1] 17.0 (17.2) [0–40] 3.2 (7.8) [0–25] 7.7 (8.5) [0–20]
Marijuana use/month, past 3 months 0.0 0.8 (1.3) [0–3] 0.6 (1.1) [0–3] 0.8 (1.6) [0–5]
Days/month smoked cigarettesi 0.0 6.4 (6.0) [0–15] 0.8 (2.3) [0–7] 0.9 (2.0) [0–6]
Cigarettes per dayb 0.0 1.2 (1.6) [0–4] 0.3 (1.0) [0–3] 0.0
Lifetime other drug use episodes 0.0 2.2 (4.4) [0–10] 0.0 0.0
*

Notes: Chi-square (p < 0.05), males with AUD more likely than other groups;

a

Family history negative, no biological first or second degree relatives with substance use disorder;

b

Figures include only those who reported use;

c

Maximum allowed was 998;

d

Number of abuse/dependent symptoms do not necessarily indicate a positive DSM-IV diagnosis;

e

Female controls different than users (p < 0.05);

f

Male AUD different than male controls (p < 0.05);

g

Female AUD different than controls (p < 0.05);

h

Controls less than users (p < 0.05);

i

Female AUD different than all others (p < 0.05). AUD, alcohol use disorders.