Table 1.
Descriptive statistics for weight, height and body mass index in Iranian children
| Age | Sex | Weight( kg) | Height( m) | Body Mass Index | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD*) | Mean (SD*) | Mean (SD*) | 5 th | 50 th | 85 th | 95th | |||||
| 7 | Boys | 22.25 (4.38) | 1.20 (0.06) | 15.22 (2.06) | 12.85 | 14.95 | 16.58 | 18.43 | |||
| Girls | 21.70 (4.97) | 1.19(0.06) | 15.06 (2.17) | 12.43 | 14.70 | 16.72 | 18.83 | ||||
| 8 | Boys | 25.49 (5.62) | 1.26(0.06) | 15.79 (2.43) | 13 | 15.34 | 17.57 | 20.84 | |||
| Girls | 24.53 (5.00) | 1.25(0.06) | 15.50 (2.40) | 12.61 | 15.08 | 17.55 | 19.89 | ||||
| 9 | Boys | 28.86 (6.52) | 1.32(0.06) | 16.24 (2.61) | 13.36 | 15.67 | 18.25 | 21.10 | |||
| Girls | 28.28 (6.50) | 1.31 (0.06) | 16.22 (2.77) | 13.14 | 15.43 | 18.89 | 21.67 | ||||
| 10 | Boys | 32.08 (7.54) | 1.37 (0.06) | 16.87 (3.05) | 13.60 | 16.15 | 19.73 | 23.08 | |||
| Girls | 31.59 (7.36) | 1.36 (0.06) | 16.72 (3.00) | 13.28 | 15.98 | 19.68 | 22.63 | ||||
| 11 | Boys | 36.36 (9.08) | 1.43 (0.07) | 17.38 (3.37) | 13.45 | 16.41 | 20.76 | 24.21 | |||
| Girls | 36.00 (9.32) | 1.43 (0.07) | 17.52 (3.29) | 13.55 | 16.76 | 20.93 | 24.02 | ||||
| 12 | Boys | 39.87 (10.16) | 1.47 (0.08) | 18.13 (3.62) | 14.07 | 17.21 | 21.63 | 25.25 | |||
| Girls | 41.66 (9.82) | 1.49 (0.07) | 18.49 (3.51) | 13.98 | 17.85 | 22 | 25.50 | ||||
| 13 | Boys | 45.39 (11.61) | 1.54 (0.09) | 18.74 (3.63) | 14.26 | 17.97 | 22.53 | 25.92 | |||
| Girls | 46.52 (10.93) | 1.53 (0.06) | 19.63 (3.890 | 14.82 | 18.90 | 23.46 | 27.13 | ||||
| 14 | Boys | 51.07 (13.50) | 1.61 (0.09) | 19.50 (4.00) | 14.72 | 18.58 | 23.12 | 27.70 | |||
| Girls | 50.25 (10.15) | 1.56 (0.05) | 20.45 (3.61) | 15.61 | 19.73 | 24.33 | 27.02 | ||||
| 15 | Boys | 55.23 (13.08) | 1.66 (0.08) | 19.86 (3.96) | 15.14 | 18.98 | 23.35 | 28.74 | |||
| Girls | 52.31 (10.03) | 1.57 (0.05) | 21.00 (3.69) | 16.05 | 20.28 | 24.97 | 27.98 | ||||
| 16 | Boys | 58.88 (12.70) | 1.69 (0.07) | 20.31 (3.74) | 15.88 | 19.51 | 23.56 | 28.20 | |||
| Girls | 53.41 (10.11) | 1.58 (0.05) | 21.32 (3.73) | 16.44 | 20.66 | 25.04 | 28.33 | ||||
| 17 | Boys | 62.91 (12.44) | 1.72 (0.06) | 21.11 (3.73) | 16.54 | 20.32 | 24.76 | 28.22 | |||
| Girls | 53.76 (9.85) | 1.58 (3.05) | 21.34 (3.57) | 16.65 | 20.74 | 25.06 | 28.03 | ||||
| 18 | Boys | 64.53 (13.10) | 1.72 (0.06) | 21.60 (3.98) | 16.85 | 20.74 | 25.10 | 29.35 | |||
| Girls | 52.69 (9.69) | 1.58 (0.05) | 21.00 (3.54) | 16.42 | 20.35 | 24.24 | 28.11 | ||||
*
SD: standard deviation