Table 3. Multiple regression of quality of life on family functions.

Predictors	R2	F	p	B	B SE	β	t	p	Collinearity statistics
									tolerance	VIF
Model	0.33	24.64	< .001
(Constant)				8.80	5.51		14.65	< .001
Problem solving				1.48	0.28	0.26	5.21	< .001	0.77	1.28
Communication				0.93	0.22	0.21	4.26	< .001	0.77	1.29
Family roles				1.51	0.22	0.38	6.85	< .001	0.62	1.60
Affective responsiveness				0.12	0.30	0.02	0.41	.68	0.72	1.37
Affective involvement				0.28	0.17	0.09	1.63	.10	0.60	1.66
Behavior control				0.12	0.18	0.03	0.67	.50	0.67	1.49
General function				0.02	0.01	0.06	1.41	.15	0.93	1.06