Result from Tobit regression and smoothed bootstrap analysis
| Variable | Tobit regression | Bootstrap analysis | ||
| Coefficient (95% CI) | P value | Coefficient (95% CI) | P value | |
| Physician density (per 1000 population) | ||||
| 1–2 physicians(ref=fewer than one physician) | −0.0041 (−0.0437 to 0.0355) | 0.8360 | 0.0069 (−0.02 to 0.0346) | 0.6220 |
| More than two physicians(ref=fewer than one physician) | 0.0001 (−0.0495 to 0.0495) | 0.9990 | −0.0086 (−0.0424 to 0.026) | 0.6310 |
| Bed density (per 1000 population) | ||||
| More than one to less than or equal tothree beds (ref=fewer than one bed) | −0.025 (−0.0698 to 0.0198) | 0.2660 | 0.032 (−0.0003 to 0.0639) | 0.0470 |
| More than three to less than or equal to five beds(ref=fewer than one bed) | −0.0469 (−0.0964 to 0.0026) | 0.0620 | 0.0519 (0.016 to 0.0851) | 0.0040 |
| More than five beds(ref=fewer than one bed) | −0.0524 (−0.1079 to 0.0032) | 0.0640 | 0.0467 (0.0058 to 0.0874) | 0.0240 |
| Primary completion rate, total (% of relevant age group) | −0.0015 (−0.0028 to −0.0002) | 0.0260 | 0.0013 (0.0005 to 0.0022) | 0.0020 |
| Smoking prevalence, males (% of adults) | 0.0000 (−0.0015 to 0.0016) | 0.9930 | 0.0002 (−0.0008 to 0.0012) | 0.7350 |
| Income group | ||||
| Upper middle-income(ref=low- and lower middle-income) | 0.0088 (−0.0296 to 0.0472) | 0.6450 | −0.0067 (−0.0357 to 0.0201) | 0.6370 |
| High-income(ref=low and lower middle income) | 0.0087 (−0.0403 to 0.0577) | 0.7200 | −0.0264 (−0.0619 to 0.0094) | 0.1300 |
| Population live per square metre of land | ||||
| More than 100 to less than or equal to 200(ref=less than or equal to 100) | −0.0385 (−0.0775 to 0.0005) | 0.0010 | 0.0212 (−0.004 to 0.0493) | 0.1150 |
| More than 200(ref=less than or equal to 100) | −0.0654 (−0.1009 to −0.0299) | 0.0000 | 0.0435 (0.0173 to 0.0684) | 0.0010 |
| Constant | 0.2859 (0.1534 to 0.4185) | 0.0000 | 0.7368 (0.6431 to 0.8262) | 0.0000 |
| Sigma | 0.0444 (0.0343 to 0.0545) | – | 0.0304 (0.0197 to 0.0324) | – |
| Observations summary | Considering inefficiency ≤0. Left-censored (4). Uncensored (42). Right-censored (0). | |||
| Number of observation | 46 | 42 | ||
| Log likelihood/number of efficient decision-making units | 66.5 | 4 | ||
| df/Number of bootstrap reps | 11 | 1000 | ||
| Prob. >χ2 | 0.000 | 0.000 | ||