Table 4.
Results of endogeneity discussion.
| (1) Digital | (2) Health | |
|---|---|---|
| IV | 2.21e-12*** (0.0000) | |
| Digital | 8.4903*** (4.56) | |
| digital_sq | −17.1903*** (−4.74) | |
| Gender | −0.0000 (0.0002) | −0.1405*** (−12.79) |
| Education | −0.0000 (0.000) | −0.0278*** (−9.29) |
| Marital | −0.0000 (0.0000) | −0.0005 (−0.19) |
| Age | −0.0000 (0.0000) | 0.0128*** (22.79) |
| lnGDP | −0.0006*** (0.0001) | −0.1416*** (−19.20) |
| Population | −7.20e-07*** (0.0000) | 0.0002*** (16.52) |
| Urbanization | 0.0022 (0.0018) | 0.2415* (1.78) |
| KP rk LM statistic | 308.99 | |
| Cragg-Donald Wald F statistic | 2203.93 | |
| N | 52,061 | 52,061 |
| r2_a | 0.7828 | 0.0365 |
Standard errors in parentheses. *p < 0.1, **p < 0.05, ***p < 0.01.