Table 1.

Means and standard deviations for outcome and predictor variables in models.

	Condition
	Web-Based Intervention (WBI)		Delayed Web-Based Intervention (control)
Variable	Baseline Mean (SD)	Follow-Up Mean (SD)	Baseline Mean (SD)	Follow-Up Mean (SD)
Highest number of drinks on a typical day	7.78 (4.75)	5.03 (4.19)	7.14 (4.51)	5.41 (4.76)
Total number of drinks in a typical week	27.18 (16.98)	17.60 (16.78)	28.55 (20.16)	20.84 (20.83)
Number of drinking days in the past month	20.34 (8.84)	14.61 (11.03)	20.31 (9.10)	16.03 (11.62)
Relationship quality	34.03 (13.38)	38.18 (14.77)	37.05 (13.43)	38.29 (14.82)
Punishing Drinking	11.12 (3.90)	8.70 (3.89)	10.72 (3.74)	8.31 (3.56)
Supporting Sobriety	22.30 (4.86)	22.54 (6.15)	22.50 (5.47)	21.10 (6.82)
Supporting Drinking	5.48 (1.91)	5.25 (1.82)	5.70 (2.11)	4.98 (1.85)
Withdraw When Drinking	7.02 (2.61)	6.52 (2.73)	6.56 (2.51)	6.06 (2.49)
Anger Expression	36.91 (13.53)	35.82 (15.78)	33.73 (13.38)	35.01 (12.28)