Table 4.
Results: comparison with non-contracted public sector facilities (Reference: non-contracted facilities)
| Group | Unadjusted double differencea | Adjusted double differencea | Adjusted double difference as %b |
|---|---|---|---|
| New outpatient visits per 1000 per year | |||
| All contracting-out groups | 108.7 (P < 0.01) | 93.1 (P < 0.01) | 29.3 |
| Contracting-out 1 | 40.9 (n.s.) | 43.3 (n.s.) | 12.9 |
| Contracting-out 2 | 114.1 (P < 0.01) | 101.5 (P < 0.05) | 30.3 |
| Contracting-out 3 | 230.2 (P < 0.01) | 221.3 (P < 0.01) | 65.9 |
| Contracting-in | 310.2 (P < 0.01) | 280.7 (P < 0.01) | 83.6 |
| New female outpatient visits per 1000 per year | |||
| All contracting-out groups | 141.5 (P < 0.01) | 127.7 (P < 0.01) | 41.0 |
| Contracting-out 1 | 96.4 (P < 0.05) | 103.0 (P < 0.05) | 31.7 |
| Contracting-out 2 | 135.5 (P < 0.05) | 133.8 (P < 0.01) | 41.2 |
| Contracting-out 3 | 250.6 (P < 0.01) | 240.1 (P < 0.01) | 73.9 |
| Contracting-in | 327.6 (P < 0.01) | 329.9 (P < 0.01) | 101.5 |
| New outpatient visits from poorest 20% per 1000 per year | |||
| All contracting-out groups | 95.2 (P < 0.01) | 130.5 (P < 0.01) | 67.9 |
| Contracting-out 1 | 128.1 (P < 0.05) | 114.6 (P < 0.05) | 56.1 |
| Contracting-out 2 | 108.2 (P < 0.05) | 107.7 (P < 0.05) | 52.7 |
| Contracting-out 3 | 175.7 (P < 0.01) | 202.8 (P < 0.01) | 99.3 |
| Contracting-in | 244.9 (P < 0.01) | 229.3 (P < 0.01) | 112.3 |
| New under-5 outpatient visits per 1000 per year | |||
| All contracting-out groups | 111.5 (P < 0.05) | 111.8 (P < 0.10) | 26.9 |
| Contracting-out 1 | 27.8 (n.s.) | −23.7 (n.s.) | −5.2 |
| Contracting-out 2 | 96.9 (n.s.) | 52.9 (n.s.) | 11.7 |
| Contracting-out 3 | 309.9 (P < 0.01) | 296.2 (P < 0.01) | 65.5 |
| Contracting-in | 137.8 (P < 0.10) | 96.6 (n.s.) | 21.4 |
aDouble difference without influential points. Double differences are adjusted for facility type.
bAdjusted double difference as a percentage of the adjusted average number of new outpatient visits in the non-contracted group at baseline.