Table 1.
Descriptive statistics of explanatory variables.
| Bihar | Gujarat | Kerala | Meghalaya | Punjab | Uttar Pradesh | West Bengal | |
|---|---|---|---|---|---|---|---|
| Sub-centre | |||||||
| Number of facilities | 9 | 20 | 12 | 9 | 20 | 10 | 19 |
| Total facility cost with vaccine, median (IQR) (US$) | 2966 (764) | 2776 (961) | 1468 (318) | 1749 (817) | 2820 (655) | 2628 (426) | 2249 (63 1) |
| Total facility cost without vaccine, median (IQR) (US$) | 2271 (831) | 1451 (477) | 1346 (301) | 1581 (888) | 2570 (658) | 2272 (399) | 1987 (540) |
| Doses administered, median (IQR) | 2338 (582) | 1372 (744) | 207 (56) | 1340 (461) | 1368 (370) | 1748 (890) | 1228 (513) |
| Main vaccinator's salary, median (IQR) (US$) | 5627 (3694) | 4567 (2177) | 5087 (2221) | 4450 (1463) | 7144 (1433) | 7972 (2617) | 6319 (1195) |
| Distance from nearest cold chain point, median (IQR) (km) | 8 (8) | 10 (9) | 3 (1) | 10 (6) | 9 (10) | 13 (8) | 9 (8) |
| Number of immunization sessions, median (IQR) | 111 (26) | 48 (17) | 16 (12) | 81 (29) | 48 (14) | 77 (26) | 38 (10) |
| Proportion of DPT3 doses to total doses, average (SD) | 0.07 (0.01) | 0.09 (0.01) | 0.11 (0.01) | 0.08 (0.01) | 0.07 (0.01) | 0.08 (0.02) | 0.07 (0.01) |
| Primary Health Centre | |||||||
| Number of facilities | 7 | 18 | 12 | 13 | 16 | 6 | 17 |
| Total facility cost with vaccine, median (IQR) (US$) | 3022 (3364) | 6923 (2940) | 7194 (1914) | 6328 (950) | 3850 (2399) | 4399 (585) | 3882 (1584) |
| Total facility cost without vaccine, median (IQR) (US$) | 2731 (3165) | 5490 (2478) | 6661 (1488) | 6100 (1112) | 3590 (2348) | 3970 (612) | 3539 (1587) |
| Doses administered, median (IQR) | 2438 (2027) | 1280 (1135) | 896 (794) | 2485 (2074) | 1388 (545) | 2509 (539) | 1671 (812) |
| Main vaccinator's salary, median (IQR) (US$) | 6376 (2020) | 4637 (2363) | 5476 (1567) | 5608 (1283) | 7120 (2822) | 8237 (751) | 6586 (2198) |
| Distance from nearest cold chain point, median (IQR) (km) | 15 (5) | 30 (18) | 7 (9) | 44 (18) | 12 (11) | 12 (6) | 10 (8) |
| Number of immunization sessions, median (IQR) | 106 (22) | 64 (33) | 52 (9) | 136 (74) | 48 (15) | 79 (25) | 36 (17) |
| Proportion of DPT3 doses to total doses, average (SD) | 0.07 (0.01) | 0.09 (0.01) | 0.12 (0.02) | 0.08 (0.01) | 0.07 (0.01) | 0.07 (0.01) | 0.07 (0.01) |
| State, district and sub-district level variables | |||||||
| Pentavalent vaccine administered in study states | No | Yes | Yes | No | No | No | No |
| Per capita income of study states, 2013–14 (US$) | 538 | 1842 | 1790 | 1061 | 1597 | 625 | 1208 |
| Health facilities per 1000 children in study districts (average) | 0.58 | 1.52 | 2.04 | 0.93 | 1.82 | 0.75 | 1.07 |
| Percentage of institutional delivery in districts (average) | 66 | 89 | 100 | 50 | 91 | 72 | 78 |
| Female literacy rate in sub-districts, median (IQR) | 44 (6) | 60 (14) | 87 (4) | 58 (7) | 56 (14) | 49 (5) | 56 (15) |
| Percentage of schedule caste/schedule tribe population in sub-districts, median (IQR) | 18 (3) | 13 (60) | 9 (9) | 97 (5) | 31 (11) | 16 (5) | 27 (39) |
| Percentage of rural population in sub-districts, median (IQR) | 76 (25) | 84 (32) | 54 (54) | 100 (13) | 71 (23) | 84 (20) | 88 (21) |
| Proportion of sub-districts in lowest wealth quintile | 0.33 | 0.25 | 0.00 | 0.50 | 0.00 | 0.00 | 0.37 |
IQR = interquartile range; SD = standard deviation.