Table 3.

GLM/GEE models for effect of brief intervention on: (A) whole study sample; (B) gender-stratified sample; and (C) gender- and violence-stratified sample.^a

(A)	Whole sample (n = 1219) Standardized estimates (β) (p value)
AUDIT-C score
Group	−0.03 (0.91)
Time	−0.81 (<0.001)
Group × time	−0.17 (0.24)
Binge drinking
Group	−0.02 (0.50)
Time	−0.05 (<0.001)
Group × time	−0.005 (0.67)
Safe drinking limits @ 12 months
Group	−0.02 (0.58)
Time	0.11 (<0.001)
Group × time	0.02 (0.09)

(B)	Female (n = 354)	Male (n = 865)
	Standardized estimates (β) (p value)
AUDIT-C score
Group	−0.51 (0.25)	0.18 (0.64)
Time	−0.81 (<0.001)	−0.80 (<0.001)
Group × time	0.20 (0.33)	−0.31 (0.08)
Binge drinking
Group	−0.08 (0.25)	0.007 (0.83)
Time	−0.07 (0.01)	−0.04 (<0.001)
Group × time	0.20 (0.39)	−0.02 (0.19)
Safe drinking limits @ 12 months
Group	0.04 (0.48)	−0.04 (0.28)
Time	0.13 (<0.001)	0.10 (<0.001)
Group × time	−0.01 (0.58)	0.04 (0.02)

(C)	Violence− (n = 243)	Violence+ (n = 111)	Violence− (n = 500)	Violence+ (n = 365)
	Standardized estimates (β) (p value)
AUDIT-C score
Group	−0.59 (0.23)	−0.60 (0.52)	0.32 (0.43)	−0.10 (0.89)
Time	−0.71 (<0.001)	−1.08 (0.001)	−0.80 (<0.001)	−0.81 (0.001)
Group × time	0.25 (0.30)	0.23 (0.60)	−0.35 (0.07)	−0.26 (0.43)
Binge drinking
Group	−0.07 (0.40)	−0.10 (0.39)	−0.003 (0.93)	0.03 (0.45)
Time	−0.06 (0.012)	−0.10 (0.01)	−0.05 (<0.001)	−0.02 (0.29)
Group × time	0.002 (0.94)	0.07 (0.15)	−0.02 (0.27)	−0.02 (0.30)
Safe drinking limits @ 12 months
Group	0.01 (0.80)	0.10 (0.33)	−0.05 (0.25)	−0.02 (0.68)
Time	0.11 (<0.001)	0.19 (<0.001)	0.10 (<0.001)	0.10 (<0.001)
Group × time	0.002 (0.95)	−0.06 (0.18)	0.05 (0.02)	0.02 (0.29)

^aModel adjusts for study assignment.