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Heterogeneity analysis using wealth quartile.
| (1) | (2) | (3) | (4) | |
|---|---|---|---|---|
| Vul | Vul | Vul | Vul | |
| Medical insurance | −0.0107*** | −0.0161*** | −0.0099** | −0.0099 |
| (0.0024) | (0.0032) | (0.0044) | (0.0065) | |
| Individual control variable | Yes | Yes | Yes | Yes |
| Family control variable | Yes | Yes | Yes | Yes |
| Province FE | Yes | Yes | Yes | Yes |
| Time FE | Yes | Yes | Yes | Yes |
| n | 17,268 | 15,111 | 10,413 | 5,264 |
| R 2 | 0.203 | 0.229 | 0.226 | 0.163 |
Numbers in parentheses are estimated standard errors. **p < 0.05, ***p < 0.01. Vul, vulnerability; FE, fixed effects.
