Table 1.
Demographic Characteristics of the Study Sample
| IV-ASA experiment (n = 11) | IV-AC experiment (n = 8) | |
|---|---|---|
| Age, years, M (SEM) | 39.86 (3.54) | 42.50 (3.12) |
| Gender, males, n (%) | 8 (72.72) | 6 (75) |
| Race, African Americans, n (%) | 9 (81.81) | 7 (87.5) |
| Education, years, M (SEM) | 13.36 (0.49) | 13.75 (0.70) |
| Annual incomea, n (%) | ||
| Below average | 7 (63.63) | 5 (62.5) |
| Average | 3 (27.27) | 2 (25) |
| Above average | 1 (9.09) | 1 (12.5) |
| Body weight, kg, M (SEM) | 77.44 (3.29) | 77.90 (3.50) |
| BMI, kg/m2, M (SEM) | 25.42 (0.87) | 25.88 (0.98) |
| Family history density of problem drinkingb, M (SEM) | 0.10 (0.03) | 0.14 (0.05) |
| Current cigarette smoker, n (%) | 8 (72.72) | 5 (62.5) |
Abbreviations: BMI, body mass index; IV-AC, intravenous alcohol clamp; IV-ASA, intravenous alcohol self-administration; M, mean; SEM, standard error of the mean.
a Below average: <$30 000; average: $30 000-$49 000; above average: ≥$50 000.
b Based on Family Tree Questionnaire: density of relatives (siblings, parents, grandparents) with definite problem drinking (self-reported).