Table 1:

Descriptive Statistics Across Treatment Group

	Naltrexone	Placebo
1. Treatment Condition	47% (N=54)	53% (N=61)
2. Family History	41% Positive	36% Positive
3. Sex	70% Male	67% Male
4. Medication Dosage	73% Both Pills	63% Both Pills
5. Weekend (day)	56% Weekends	61% Weekends
6. Drinking Quantity	4.46 (2.93)	5.74 (3.85)
7. Buzzed SR	3.94 (3.09)	4.38 (3.22)
8. Drunk SR	2.32 (2.76)	3.29 (3.26)
9. Impaired SR	1.78 (2.51)	2.72 (3.07)
10. Craving	5.93 (1.54)	5.72 (1.58)

Note: All between-person descriptive statistics are aggregated at the person level (N=115), whereas all within-person descriptives are aggregated at the daily level (N=1543). SR = subjective response. Variables 4-10 were measured during the dialy diary protocol.