Generalized linear mixed model of very early discharge (< 6 h after birth)
| Variable | Crude rate of very early discharge, % | OR (95% CI) |
|---|---|---|
| Year | – | 1.00 (0.99–1.01) |
| Parity | ||
| Primiparous | 26.2 | Reference |
| Multiparous | 35.5 | 1.67 (1.62–1.72) |
| Rural residence | ||
| No | 32.7 | Reference |
| Yes | 25.6 | 0.83 (0.78–0.88) |
| Material deprivation quintile | ||
| 1 (least deprived) | 34.9 | Reference |
| 2 | 33.1 | 1.00 (0.96–1.04) |
| 3 | 31.4 | 0.97 (0.93–1.02) |
| 4 | 30.6 | 0.93 (0.89–0.98) |
| 5 (most deprived) | 28.1 | 0.83 (0.80–0.87) |
| Gestational age, wk | ||
| 39–40 | 32.8 | Reference |
| 37–38 | 29.3 | 0.91 (0.87–0.94) |
| ≥ 41 | 31.0 | 0.95 (0.91–0.99) |
| Volume of births per year at hospital | ||
| > 2000 | 35.9 | Reference |
| 1001–2000 | 27.1 | 1.05 (0.96–1.15) |
| 501–1000 | 23.3 | 2.31 (2.02–2.63) |
| ≤ 500 | 27.4 | 2.01 (1.66–2.43) |
| % of births attended by midwives at hospital | ||
| < 10 | 37.1 | Reference |
| 10–20 | 32.0 | 0.91 (0.86–0.97) |
| > 20 | 26.7 | 0.88 (0.81–0.96) |
| Maternal diabetes | ||
| No | 32.2 | Reference |
| Yes | 9.6 | 0.22 (0.19–0.27) |
| Maternal hypertension | ||
| No | 32.3 | Reference |
| Yes | 11.5 | 0.35 (0.31–0.41) |
| Physician-conducted birth | ||
| No | 35.1 | Reference |
| Yes | 13.9 | 0.27 (0.25–0.28) |
Note: CI = confidence interval, OR = odds ratio.