Table 4.

Summary of hierarchical multiple regression predicting alcohol-related problems

Variable	First Entry Into Model			Final Model
	B	SE B	β	B	SE B	β
Step one (R2 = .057**)
Family history	0.401	0.109	0.209**	0.212	0.080	0.110*
Gender (1 = female, 2 = male)	0.774	0.413	0.106	0.433	0.311	0.059
Step two (ΔR2 = .258**)
Overall weekly alcohol consumption1	4.593	0.436	0.523**	2.565	0.507	0.292**
Step three (ΔR2 = .141**)
Magnitude of recent stressful life events	0.002	0.000	0.240**	0.001	0.000	0.194**
Intensity of best friend’s drinking	0.518	0.222	0.124	0.246	0.208	0.059
Sensation seeking	−0.179	0.115	−0.079	−0.115	0.106	−0.051
Social motives for drinking	0.417	0.258	0.084	0.473	0.238	0.096
Coping motives for drinking	0.450	0.227	0.108	0.163	0.213	0.039
Enhancement motives for drinking	0.460	0.207	0.135	0.270	0.193	0.079
Step four (ΔR2 = .083**)
Impaired control		n/a		0.203	0.028	0.345**

^*P < .01

^**P < .001

¹One was added to raw totals and a log transformation was taken