Table 3.

Regression results for health among study participants (n=6562).

Variable		Self-rated health, ORa (95% CI)	P value	Physical health, OR (95% CI)	P value	Mental health, OR (95% CI)	P value
Internet use
	Yes (reference: no)	1.55 (1.39-1.74)	<.001	1.39 (1.25-1.56)	<.001	1.33 (1.19-1.49)	<.001
Sex
	Male (reference: female)	1.28 (1.17-1.41)	<.001	1.26 (1.14-1.38)	<.001	1.29 (1.18-1.42)	<.001
Age		0.98 (0.97-0.98)	<.001	0.98 (0.97-0.98)	<.001	1.01 (1.00-1.01)	.009
Marital status
	Married (reference: unmarried)	1.07 (0.95-1.21)	.27	1.16 (1.02-1.31)	.02	1.26 (1.11-1.43)	<.001
Education
	≤Primary school (reference: illiterate)	1.06 (0.93-1.22)	.38	1.05 (0.92-1.20)	<.001	1.08 (0.94-1.23)	.29
	Middle school (reference: illiterate)	1.18 (1.01-1.37)	.04	1.35 (1.16-1.57)	.51	1.28 (1.11-1.49)	.001
	High school (reference: illiterate)	1.37 (1.15-1.63)	<.001	1.56 (1.31-1.86)	<.001	1.34 (1.12-1.60)	.001
	≥College (reference: illiterate)	1.37 (1.10-1.71)	.006	1.60 (1.28-2.01)	<.001	1.21 (0.97-1.52)	.10
Exercise
	Yes (reference: no)	1.57 (1.43-1.73)	<.001	1.52 (1.38-1.68)	<.001	1.36 (1.24-1.50)	<.001
Residency
	Urban (reference: rural)	0.85 (0.75-0.96)	.009	1.02 (0.90-1.15)	.80	1.11 (0.98-1.25)	.09
	Family size	1.02 (0.99-1.06)	.24	1.03 (0.99-1.07)	.14	1.02 (0.98-1.06)	.28
	Family income	1.09 (1.06-1.11)	<.001	1.06 (1.04-1.09)	<.001	1.05 (0.02-1.07)	<.001

^aOR: odds ratio.