| Model 1 | Model 2 | Model 3 | |||
---|---|---|---|---|---|---|
 | OR (95%CI) | P value | aOR (95%CI) | P | aOR (95%CI) | P value |
WeChat usage | 0.65 (0.55 -0.77) | < 0.001 | 0.74 (0.63-0.89) | < 0.01 | 0.76 (0.62-0.94) | < 0.05 |
Age | Â | 1 (0.99-1.01) | 0.94 | 0.99 (0.98-1) | < 0.1 | |
Gender | Â | Â | Â | Â | Â | |
 Male |  | Ref |  | Ref |  | |
 Female |  | 1.3 (1.12-1.52) | <0.01 | 1.34 (1.08-1.66) | < 0.01 | |
Race | Â | Â | Â | Â | Â | |
 Non-minority |  | Ref |  | Ref |  | |
 Minority |  | 1.29 (0.93-1.79) | 0.13 | 1.21 (0.87-1.7) | 0.26 | |
Education | Â | Â | Â | Â | Â | |
 Primary school |  | Ref |  | Ref |  | |
 Middle school |  | 0.81 (0.7-0.95) | < 0.01 | 0.77 (0.65-0.9) | < 0.01 | |
 High school and above |  | 0.68 (0.3-1.53) | 0.353 | 0.67 (0.29-1.54) | 0.35 | |
Living area | Â | Â | Â | Â | Â | |
 Urban |  | Ref |  | Ref |  | |
 Rural |  | 1.42 (1.2-1.69) | < 0.001 | 1.5 (1.25-1.81) | < 0.001 | |
Marital status | Â | Â | Â | Â | Â | |
 Never married |  | Ref |  | Ref |  | |
 Married |  | 0.22 (0.04-1.13) | <0.1 | 1 (0.17-5.77) | 0.10 | |
 Divorced or separate |  | 0.26 (0.05-1.41) | 0.12 | 0.67 (0.11-3.95) | 0.65 | |
Income category | Â | Â | Â | Â | Â | |
 ≤25% (lower quartile) |  | Ref |  | Ref |  | |
 26%-50% |  | 1.25 (0.87-1.82) | 0.23 | 1.21 (0.82-1.8) | 0.34 | |
 51%-75% |  | 0.91 (0.59-1.43) | 0.7 | 0.9 (0.56-1.44) | 0.66 | |
 ≥75% |  | 0.7 (0.6-0.82) | < 0.001 | 0.73 (0.62-0.87) | < 0.001 | |
Smoke | Â | Â | Â | Â | Â | |
 Non-smoker |  |  |  | Ref |  | |
 Smoker |  |  |  | 0.96 (0.79-1.16) | 0.67 | |
Drink | Â | Â | Â | Â | Â | |
 Non-drinker |  |  |  | Ref |  | |
 Drinker |  |  |  | 0.93 (0.84-1.03) | 0.17 | |
General Health | Â | Â | Â | 1.42 (1.29-1.57) | < 0.001 | |
Life satisfaction | Â | Â | Â | 1.21 (1.18-1.25) | < 0.001 | |
Disability | Â | Â | Â | 1.29 (1.05-1.6) | < 0.05 | |
Comorbidity number | Â | Â | Â | 1.08 (1.02-1.13) | < 0.01 | |
ADL | Â | Â | Â | 1.45 (1.14-1.85) | < 0.01 | |
Sleep hour at night | Â | Â | Â | 0.88 (0.84-0.92) | < 0.001 | |
Sleep minute at noon | Â | Â | Â | 1 (1.00-1.00) | 0.79 | |
Vigorous activity | Â | Â | Â | 1.03 (1.00-1.06) | < 0.05 | |
Moderate activity | Â | Â | Â | 0.98 (0.96-1.01) | 0.19 | |
Mild activity | Â | Â | Â | 0.98 (0.95-1.01) | 0.24 | |
Social activities attendance | Â | Â | Â | 0.99 (0.93-1.06) | 0.82 | |
Constant | 0.23 (0.21-0.26) | < 0.001 | 0.39 (0.06-2.4) | < 0.01 | 0.01 (0.0-0.09) | < 0.001 |