Table 1

Mean height-for-age z-scores according to sex and mean sex difference (boys minus girls) by age groups. Pooled results from 87 low-income and middle-income countries.

Age groupBoysGirlsSex difference
Mean95% CIMean95% CIMean95% CI
Total (0–59 months)−0.99−1.12 to −0.86−0.90−1.01 to −0.78−0.10−0.12 to −0.08
0–11 months−0.45−0.57 to −0.34−0.28−0.39 to −0.17−0.17−0.20 to −0.14
12–23 months−1.11−1.25 to −0.98−0.90−1.02 to −0.77−0.22−0.25 to −0.19
24–35 months−1.23−1.37 to −1.08−1.13−1.27 to −1.01−0.10−0.13 to −0.07
36–47 months−1.16−1.30 to −1.02−1.12−1.25 to −0.98−0.04−0.07 to −0.01
48–59 months−1.02−1.15 to −0.88−1.05−1.17 to −0.920.020.00 to 0.05