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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Psychopharmacology (Berl). 2013 Aug 15;231(1):10.1007/s00213-013-3219-1. doi: 10.1007/s00213-013-3219-1

Table 1. Participant Demographic and Substance Use Characteristics.

Heavy Drinkers (n = 23) M (SD) or % [range] Light Drinkers (n = 33) M (SD) or % [range] p value
Age (range 18 – 20) 18.9 (0.63) 18.7 (0.42) 0.072
Female 52.2% 60.6% 0.530
Caucasian 74.3% 60.0% 0.918
Family history negative for alcoholism 56.5% 72.7% 0.208
Past mood or anxiety disorder 17.4% 6.1% 0.177
Spielberger State-Trait Anxiety Inventory T-scorea,b 48.7 (11.1) 49.1 (12.5) 0.91
[30 – 68] [30 – 76]
Beck Depression Inventory total scorea 3.3 (4.9) 2.6 (3.6) 0.61
[0 – 19] [0 – 12]
Lifetime drinks 152.0 (216.3) 24.2 (26.8) 0.01
[10 – 1000] [0 – 100]
# weeks drinking, past 6 months 13.0 (7.4) 2.3 (2.6) < 0.001
[2 – 26] [1 – 10]
Drinking days/week, past 6 months 3.5 (1.7) 1.1 (1.4) < 0.001
[1 – 7] [2 – 5]
Drinks/day, past 6 months 6.7 (3.2) 2.1 (2.6) < 0.001
[2 – 15] [0 – 10]
Drinks/week, past 6 months 22.3 (15.2) 4.1 (5.0) < 0.001
[5 – 72] [0 – 14]
Current alcohol dependence 39.1% 0.0% < 0.001
Current alcohol abuse 91.3% 0.0% < 0.001
a

Data available for 16 heavy drinkers and 29 light drinkers

b

Normed for college students