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Table 3
Multiple regression analysis of factors affecting health indices
	Sex	Age	Education	Resident	Sick	BPS	BHS
	X1	X2	X3	X5	X6	X7	X8
Health knowledge scores
β	−0.06	0.06	−0.15	0.05	0.06	−0.15
P	0.01	0.02	0.00	0.03	0.00	0.00
Body Mass Index
β	−0.05						0.06
P	0.03						0.01
Waist-to- hip ratio
β	0.14	−0.07	0.04		0.07	0.05
P	0.00	0.00	0.09		0.00	0.02
Systolic blood pressure (mmHg)
β	0.06	−0.05	0.06	−0.04	0.11	0.04
P	0.01	0.02	0.02	0.09	0.00	0.07
Diastolic blood pressure
β	0.04	0.06			0.06
P	0.09	0.01			0.01
Number of outpatient clinic visits
β			−0.06		0.16
P			0.01		0.00

Note: β is standardized partial regression coefficient; P is probability; BPS is self-evaluated psychological status; BHS is self-evaluated health conditions at the baseline.

Chao et al. BMC Health Services Research 2012 12:449 doi:10.1186/1472-6963-12-449

Table 3