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Robustness analysis.
| (5) | (6) | (7) | (8) | |
|---|---|---|---|---|
| Disability risk (KATZ) | Disability risk (KATZ) | Disability risk (Barthel) | Disability risk (Barthel) | |
| Widowhood | 0.046** | 0.047*** | −2.809*** | −2.873*** |
| (0.018) | (0.017) | (0.984) | (0.845) | |
| Control variable | Yes | Yes | Yes | Yes |
| Constant | 0.211*** | 1.073* | 84.806*** | 47.869* |
| (0.013) | (0.556) | (0.695) | (27.822) | |
| N | 2,162 | 2,162 | 2,162 | 2,162 |
| R 2 | 0.003 | 0.143 | 0.004 | 0.269 |
*p < 0.10, **p < 0.05, ***p < 0.01.
