Table 6 Robustness test
From: The effect of smartphones on the self-rated health levels of the elderly
Variable | Self-rated health level of the elderly | ||
|---|---|---|---|
Model 1 | Model 2 | Model 3 | |
Computer usage | 0.589** (0.071) | ||
Computer usage ability | 0.107** (0.043) | ||
Computer usage purpose | 0.368*** (0.104) | ||
Control variable | Controlled | Controlled | Controlled |
Wald chi2 | 411.48*** | 252.08*** | 252.32*** |
Pseudo R2 | 0.074 | 0.080 | 0.078 |
Log pseudo likelihood | − 3354.1523 | − 1869.1175 | − 1872.3037 |
N | 3042 | 1766 | 1766 |