| Crude odds ratio (95% CI) | p value (Wald test) | Adjusted odds ratio (95% CI) | p value (Wald test) |
---|---|---|---|---|
Length of stay at facility | ||||
 0 to < 6 h | 1.72 (1.15–2.57) | 0.0001 | 1.83 (1.10–3.06) | < 0.001 |
 6 to < 24 h | 1.00 (base) |  | 1.00 (base) |  |
 1–2 days | 1.85 (1.33–2.59) |  | 1.93 (1.27–2.94) |  |
 3 or more days | 2.15 (1.56–2.97) |  | 3.33 (2.02–5.48) |  |
Postnatal check | ||||
 Yes | 1.00 (base) | 0.056 | 1.00 (base) | < 0.001 |
 No | 1.34 (0.99–1.78) |  | 1.63 (1.08–2.45) |  |