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Table 5 Height-for-age z scores relative to the international growth references for Pakistani primary school children aged five to twelve years

From: Height, weight and BMI percentiles and nutritional status relative to the international growth references among Pakistani school-aged children

Reference Height-for-age z scores
  Mean 95% CI SD P valuea
Boys (n = 977)     
   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)     
   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)     
   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
  1. a P values are for mean difference from zero for height-for-age z scores (obtained from the study data) relative to the WHO 2007 and USCDC 2000 references, and present study