Exposure variable | Crude RR, 95%CI | Adjusted RR, 95%CI | P-value | AF (95%CI) | PAF (95%CI) |
---|---|---|---|---|---|
Inter-pregnancy interval | |||||
 < 18 months | 3.14 (1.56, 6.30) | 3.55 (1.64, 7.68) | 0.001 | 72% (39, 87%) | 42% (23, 50%) |
 18–23 months | 0.85 (0.28, 2.63) | 0.92 (0.30, 2.87) | 0.89 | – | – |
 24–60 months | 1 | 1 |  | 1 | 1 |