Table 1.

Stepwise hierarchical regression analysis predicting change in HSCL-10 scores (N = 164)

Step and predictor	ß	R2	ΔR2	Final ß
Step 1		.06	.06*
Education (1 = post compulsory school)	-0.19*			-0.21**
Gender (1 = men)	-0.16*			-0.17*
Step 2		0.11	0.07*
DUDIT	0.21**			0.28**
AUDIT	0.19*			0.19*

Note. * p < .05, ** p < .01.