Reference | Height-for-age z scores | |||
---|---|---|---|---|
 | Mean | 95% CI | SD | P valuea |
Boys (n = 977) | Â | Â | Â | Â |
   WHO 2007 | -0.25 | -0.33 to -0.17 | 1.31 | < 0.001 |
   USCDC 2000 | -0.31 | -0.90 to -0.22 | 1.29 | < 0.001 |
   Present study | 0.00 | -0.06 to 0.06 | 1.00 | 0.990 |
Girls (n = 883) | Â | Â | Â | Â |
   WHO 2007 | -0.12 | -0.21 to -0.03 | 1.33 | < 0.001 |
   USCDC 2000 | -0.16 | -0.24 to -0.07 | 1.29 | < 0.001 |
   Present study | 0.00 | -0.07 to 0.07 | 1.00 | 0.996 |
Total (n = 1860) | Â | Â | Â | Â |
   WHO 2007 | -0.19 | -0.25 to -0.13 | 1.29 | < 0.001 |
   USCDC 2000 | -0.24 | -0.30 to -0.18 | 1.32 | < 0.001 |
   Present study | 0.00 | -0.05 to 0.05 | 1.00 | 0.978 |