Table 1 General characteristics of the adolescents
Male (n:270) | Female (n:344) | Total (n:614) | |
|---|---|---|---|
\(\overline{X} \pm {\text{SD}}\) | \(\overline{X} \pm {\text{SD}}\) | \(\overline{X} \pm {\text{SD}}\) | |
Age (years) | 14.5 ± 1.49 | 15.3 ± 1.52 | 14.9 ± 1.54 |
Body weight (kg) | 65.1 ± 14.67 | 56.2 ± 10.15 | – |
Height (m) | 171.5 ± 8.60 | 162.1 ± 5.72 | – |
Sleep duration (hours/day) | 7.5 ± 1.29 | 7.4 ± 1.50 | 7.4 ± 1.42 |
BMI (kg/m2) | 22.0 ± 4.11 | 21.3 ± 3.49 | 21.6 ± 3.79 |
BMI for age z-score classification | n (%) | n (%) | n (%) |
|---|---|---|---|
Underweight (< -2SD) | 6 (2.2) | 12 (3.5) | 18 (2.9) |
Normal weight (-2SD /+1SD) | 165 (61.1) | 236 (68.6) | 401 (65.4) |
Overweight (+ 1SD/+2SD) | 67 (24.8) | 80 (23.3) | 147 (23.9) |
Obese (> + 2SD) | 32 (11.9) | 16 (4.7) | 48 (7.8) |