Table 6 Generalized random forest model estimation results of the association between Urban and Rural Resident Basic Medical Insurance and instrumental activity of daily living disability among the middle-aged and older adults in China
Variable | Model 1 | Model 2 | Model 3 | Model 4 |
|---|---|---|---|---|
URRBMI | -0.1111** | -0.1238** | -0.1086** | -0.1102** |
(0.0336) | (0.0358) | (0.0314) | (0.0310) | |
Cluster | No | No | No | Yes |
Number of decision trees | 500 | 1,000 | 2,000 | 2,000 |
Number of observations | 1,924 | 1,924 | 1,924 | 1,924 |