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Table 4 Meta-analyzed odds ratios for long birth intervals with neonatal and under-5 mortality as outcomes, stratified by mothers' completed fertility

From: Exploring the association between short/long preceding birth intervals and child mortality: using reference birth interval children of the same mother as comparison

  Interval ≥60 months Interval ≥72 months
Region (number of countries) Low Fertility OR (95% CI) High fertility OR (95% CI) Low Fertility OR (95% CI) High fertility OR (95% CI)
Outcome: Neonatal Mortality
Africa (n=28) 0.96 (0.65, 1.40) 0.70 (0.54, 0.92) 1.01 (0.62, 1.64) 0.78 (0.58, 1.05)
Asia (n=8) 1.15 (0.75, 1.77) 0.60 (0.44, 0.81) 0.91 (0.61, 1.37) 0.56 (0.40, 0.77)
Americas (n = 5) 1.26 (0.76, 2.09) 0.67 (0.41, 1.10)* 1.26 (0.67, 2.38) 0.79 (0.35, 1.79)*
Other (n = 6) 3.37 (0.94, 12.09) 1.13 (0.39, 3.30) 3.49 (0.67, 18.05)** 1.15 (0.33, 4.06)***
All (n=47) 1.14 (0.89, 1.45) 0.69 (0.57, 0.84) 1.04 (0.79, 1.36) 0.75 (0.60, 0.93)
Outcome: Under-5 Mortality
Africa (n=28) 0.84 (0.67, 1.05) 0.52 (0.44, 0.61) 0.85 (0.63, 1.14) 0.51 (0.42, 0.62)
Asia (n=8) 0.77 (0.61, 0.98) 0.49 (0.36, 0.68) 0.75 (0.53, 1.05) 0.38 (0.29, 0.49)
Americas (n = 5) 0.94 (0.57, 1.53) 0.59 (0.44, 0.78) 0.83 (0.46, 1.49) 0.62 (0.42, 0.91)*
Other (n = 6) 1.07 (0.57, 1.98) 0.78 (0.49, 1.25) 0.87 (0.24, 3.22)** 0.71 (0.33, 1.53)***
All (n=47) 0.83 (0.73, 0.96) 0.53 (0.47, 0.61) 0.82 (0.67, 1.01) 0.50 (0.43, 0.59)
  1. *n=5, **n=3, ***n=2
  2. Reference birth interval: 24-<60 months
  3. Completed fertility: woman’s total fertility at the end of her reproductive period