Table 1.
Descriptive statistics of physical characteristics of participants.
| Male (n = 127) | Female (n = 128) | p value | 95% CI of mean difference | |||||
|---|---|---|---|---|---|---|---|---|
| Mean (SD) | 5th percentiles | 95th percentiles | Mean (SD) | 5th percentiles | 95th percentiles | |||
| Age (y) | 13.81 (2.85) | 9.10 | 18.46 | 13.66 (2.85) | 9.09 | 18.57 | 0.670 | −0.55–0.85 |
| Height (cm) | 161.80 (14.04) | 135.90 | 181.00 | 154.31 (9.77) | 136.79 | 167.91 | <0.001 | 4.51–10.47 |
| Weight (kg) | 55.9 (17.0) | 33.80 | 92.58 | 47.4 (11.3) | 30.80 | 65.71 | <0.001 | 4.90–12.02 |
| BMI (kg/m2) | 20.96 (4.16) | 16.03 | 30.02 | 19.69 (3.25) | 15.20 | 25.22 | 0.008 | 0.34–2.18 |
| WC1 (cm) | 69.52 (10.32) | 56.41 | 93.02 | 62.48 (7.00) | 52.02 | 75.08 | <0.001 | 4.87–9.21 |
| WC2 (cm) | 69.01 (10.55) | 55.76 | 91.64 | 62.01 (6.93) | 51.60 | 73.96 | <0.001 | 4.80–9.20 |
| WC3 (cm) | 70.06 (11.25) | 56.33 | 93.35 | 63.86 (7.51) | 52.80 | 76.82 | <0.001 | 3.83–8.55 |
| WC4 (cm) | 70.77 (11.73) | 56.53 | 95.41 | 63.80 (7.52) | 53.06 | 76.83 | <0.001 | 4.45–9.30 |
| WC5 (cm) | 73.09 (11.78) | 58.20 | 96.67 | 67.68 (8.32) | 55.23 | 80.27 | <0.001 | 2.90–7.93 |
| % BF (%) | 20.77 (9.90) | 7.94 | 38.64 | 27.85 (7.67) | 14.99 | 40.70 | <0.001 | −9.26–−4.90 |
| FM (kg) | 12.06 (9.02) | 3.52 | 31.90 | 13.49 (6.42) | 5.07 | 24.17 | 0.147 | −3.35–0.50 |
| % BF in trunk (%) | 20.77 (10.91) | 7.14 | 42.60 | 27.28 (8.66) | 13.25 | 41.72 | <0.001 | −8.94–−4.08 |
| FM in trunk (kg) | 5.66 (4.89) | 1.42 | 17.65 | 6.18 (3.29) | 1.91 | 11.89 | 0.320 | −1.55–0.51 |
WC1: immediately below the lowest rib; WC2: at the narrowest part of the torso, above the umbilicus, and below the xiphoid process; WC3: midpoint between the lowest rib and the iliac crest; WC4: 1 cm above the umbilicus; WC5: immediately above the superior border of the iliac crest.
% BF: body fat percentage; FM: fat mass; % BF in trunk: body fat percentage in the trunk; FM in trunk: fat mass in the trunk.