Table 6 Weight-for-age z scores relative to the international growth references for Pakistani primary school children aged five to twelve years

Boys (n = 977)

   WHO 2007

-0.22^b

-0.33 to -0.12

1.44

< 0.001

   USCDC 2000

-0.51

-0.59 to -0.42

1.40

< 0.001

   Present study

0.00

-0.06 to 0.06

1.00

0.988

Girls (n = 883)

   WHO 2007

-0.21^c

-0.31 to -0.11

1.34

< 0.001

   USCDC 2000

-0.45

-0.53 to -0.36

1.32

< 0.001

   Present study

0.00

-0.07 to 0.07

1.00

0.979

Total (n = 1860)

   WHO 2007

-0.22

-0.29 to -0.15

1.36

< 0.001

   USCDC 2000

-0.48

-0.54 to -0.41

1.39

< 0.001

   Present study

0.00

-0.05 to 0.05

1.00

0.983