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Table 2 Mean height, weight and BMI the children according to the age and sex

From: Nutritional status of school children living in Northern part of Sri Lanka

Age (yrs) N aHeight bWeight cBMI
Mean±SD (cm) Mean Z score ±SD Mean±SD (kg) Mean Z score ±SD Mean±SD (kgm− 2) Mean Z score ±SD
  Male Female Male Female Male Female Male Female Male Female Male Female Male Female
6 20 21 110.9±3.7 109.6±2.8 −1.0 ±0.7 − 1.1±0.5 17.2±2.9 15.9±1.2 −0.2±1.2 −0.4±1.1 13.9±1.5 13.2±0.9 −1.2±1.1 −1.5±0.8
7 17 17 116.7±5.4 114.9±5.6 −0.9±1.0 −1.08±1.0 18.9±3.0 17.9±3.1 −0.7±1.5 −0.4±1.1 13.9±2.8 13.5±1.9 −1.5±1.8 −1.5±1.5
8 30 31 126.7±6.5 125.2±5.9 0.9±1.1 −0.21±1.0 22.6±3.9 21.5±3.8 0.7±0.9 −0.3±1.0 14.0±1.4 13.6±1.6 −1.4±1.1 −1.5±1.3
9 40 42 128.1±6.3 125.9±19.3 −0.7±1.0 −0.6±1.01 23.2±4.8 23.9±6.3 0.4±0.7 0.2±0.9 14.0±2.02 14.6±2.5 −1.7±1.4 −1.1±1.5
10 47 49 134.6±6.4 135.4±8.7 −0.5±1.0 −0.5±1.3 28.5±7.2 28.8±10. −0.9±1.1 0.1±1.1 15.5±2.9 15.4±3.8 −0.9±1.7 −1.1±1.5
11 72 76 141.3±6.8 143.1±8.7 −0.2±1.0 −0.3±1.3 32.6±8.6 33.5±9.8 −0.5±1.3 −0.5±1.4 16.1±3.2 16.1±3.0 −0.9±1.7 −0.9±1.6
12 75 78 143.6±7.1 144.8±6.8 −0.7±1.0 −0.9±1.0 35.0±10.2 35.2±9.5 −0.5±1.6 −0.7±1.4 16.7±3.8 16.5±3.5 −0.9±1.8 −1.1±1.6
13 74 76 147.4±7.5 151.0±1.3 −1.1±1.0 −0.7±1.0 35.3±11.3 41.1±10.9 −1.2±1.4 −0.5±1.4 16.0±3.6 17.8±3.8 −1.7±1.6 −0.8±1.6
14 50 52 156.4±8.8 155.2±6.3 −0.8±1.1 −0.6±0.9 45.2±15.3 45.5±10.4 −0.7±1.7 −0.6±1.4 18.1±4.7 18.8±3.7 −1.0±2.1 −0.6±1.4
15 43 45 163.2±9.7 157.1±7.3 −0.7±1.2 −0.6±1.0 49.4±13.4 45.9±10.9 −0.7±1.4 −1.1±1.6 18.4±4.2 18.5±3.8 −1.1±1.8 −1.0±1.6
16 28 29 169.3±8.2 157.9±7.1 −0.4±1.1 −0.7±1.0 57.2±15.4 50.4±10.2 −0.2±1.5 −0.4±1.2 19.7±4.4 20.1±3.4 −0.7±1.8 −0.4±1.1
Total 496 516 143.0±16.2 142.3±15.8 −0.7±1.1 −0.6±1.1 34.8±14.6 34.9±13.2 −0.5±1.4 −0.5±1.3 16.3±3.8 16.6±3.7 −1.2±1.7 −0.9±1.5
  1. aOne way ANOVA F (1,22)=0.05 p = 0.8, bF (1,22)=0.008 p = 0.9, cF (1,22)=0.041 p = 0.84