Table 4.

Standardized regression coefficients of the influence of risk factors on quality of life resulted from multivariate stepwise regression.

Factor	PF	RP	BP	GH	VT	SF	RE	MH
Region
Urban
Suburban	0.16*	-0.06		0.10*	0.18*	-0.08*	-0.10*	-0.08*
Rural		0.10*	0.14*		0.10*			-0.25*
Gender			0.05
Current job				-0.08*	-0.10*	-0.07*
Age	-0.27*		-0.08*	-0.26*	-0.15*
Current marital status					0.08*			0.08*
Highest level of education		0.11*
Total income of family/month						0.05	0.07*	0.15*
Frequency of activities	0.10*	0.05		0.10*	0.13*			0.10*
BMI				0.05
Chronic diseases	-0.16*	-0.21*	-0.15*	-0.23*	-0.17*	-0.16*	-0.21*	-0.08*

*P-value < 0.05

Variable coding: Region (suburban = 1, other = 0; rual = 1, other = 0), gender (male = 1, female = 0), current job (manual worker = 1, office worker = 0), current martial status (unmarried = 1, married = 0), highest level of education (primary education and lower = 1, secondary/high education = 2, university education and higher = 3), family monthly income (less than 2000 Yuan = 1, 2000–4999 Yuan = 2, more than 5000 Yuan = 3), frequency of activities (never = 1, less than 4 times/month = 2, at least 1 time/week = 3, at least 1 time/day = 4), chronic disease (yes = 1, no = 0).