Table 1.
Descriptive statistics of explanatory variables for the tobit regression models
| Variable | Mean | SD | Min | Max |
|---|---|---|---|---|
| VRS inefficiency score variable | .095242 | .2007258 | 0 | .9039168 |
| CRS inefficiency score variable | .219885 | .4216576 | 0 | 1.941029 |
| OPD visits per year (2016) | 10,514.6 | 5,875.0 | 2,224 | 24,551 |
| HC distance to closest provincial referral hospital (km) | 31.2076 | 12.3028 | 4.165653 | 63.05392 |
| HC distance to closest referral hospital (km) | 11.01142 | 5.83498 | .0194614 | 24.86173 |
| Health centers with beds (binary) | .3506046 | 0 | 1 | |
| Health center population coverage (No. of persons) | 14,099.67 | 4,252.45 | 5,678 | 23,644 |
| Health center size (m2) | 248.4651 | 160.2032 | 108 | 859 |
| Quality score (%) | 64.94954 | 15.5221 | 30.93 | 87.47 |
Abbreviations: CRS Constant returns to scale, HC Health center, OPD Outpatient department, VRS Variable returns to scale