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Table 9 Prevalence of under-nutrition relative to the international growth references among 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 Stunting
< -2 SD height-for-age z score
Underweight
< -2 SD weight-for-age z score
Thinness/Wasting
< -2 SD BMI-for-age z score
  n (%) P valuea n (%) P valuea n (%) P valuea
Boys (n = 977)       
   WHO 2007 84 (8.6) 0.146 69 (7.1)b < 0.001 99 (10.1) < 0.001
   USCDC 2000 90 (9.2)   126 (12.9)   125 (12.8)  
   IOTFc -   -   36 (3.7)d < 0.001g
      45 (4.6)e < 0.001h
      180 (18.4)f  
Girls (n = 883)       
   WHO 2007 68 (7.7) 0.774 56 (6.3)i < 0.001 89 (10.1) < 0.001
   USCDC 2000 70 (7.9)   104 (11.8)   119 (13.5)  
   IOTFc -   -   31 (3.5)d < 0.001g
      70 (7.9)e 0.003h
      166 (18.8)f  
Total (n = 1860)       
   WHO 2007 152 (8.2) 0.169 125 (6.7)j < 0.001 188 (10.1) < 0.001
   USCDC 2000 160 (8.6)   230 (12.4)   244 (13.1)  
   IOTFc -   -   67 (3.6)d < 0.001g
      115 (6.2)e < 0.001h
      346 (18.6)f  
  1. a P values are for difference between the estimates by the WHO 2007 and USCDC 2000 references obtained by the McNemar test
  2. b n = 747 (boys aged five to ten years) for underweight prevalence with the WHO 2007 reference
  3. c IOTF estimates are based on cut-offs corresponding to the respective BMI cut-off value at age 18 years and above
  4. d Thinness grade three,e Thinness grade two, andf Thinness grade one
  5. g grade one thinness compared to the WHO 2007 reference,h grade one thinness compared to the USCDC 2000 reference
  6. i n = 699 (girls aged five to ten years), andj n = 1446 (children aged five to ten years) for underweight prevalence with the WHO 2007 reference