Table 1.
Characteristics of the sample (N = 2508).
| Variables | Adolescents (n = 1413) | Young adults (n = 1095) | p [ES] | Males (n = 1072) | Females (n = 1436) | p [ES] |
|---|---|---|---|---|---|---|
| Gender, Male n (%) | 621(43.9) | 451(41.2) | 0.167a [0.03] |
N/A | N/A | N/A |
| Age, M ± SD | 16.3 ± 0.7 | 18.6 ± 0.6 | N/A | 17.3 ± 1.3 | 17.3 ± 1.3 | 0.798b |
| Weight (kg) | 63.3 ± 13.6 | 66.6 ± 14.5 | N/A | 71.4 ± 14.7 | 59.8 ± 11.3 | N/A |
| Height (cm) | 171.2 ± 9.3 | 171.9 ± 9.5 | N/A | 178.6 ± 7.7 | 166.2 ± 6.5 | N/A |
| BMI categories1, n (%) | ||||||
| Underweight | 89(6.3) | 40(3.7) | <0.001c [0.10] |
55(5.1) | 74(5.2) | < 0.001c [0.10] |
| Normal weight | 1146(81.1) | 856(78.2) | 817(76.2) | 1185(82.5) | ||
| Overweigth/obese** | 123(8.7) | 131(11.9) | 142(13.3) | 112(7.8) | ||
| Obese | 55(3.9) | 68(6.2) | 58(5.4) | 65(4.5) |
Notes. 1BMI categories based on BMI %ile for 2–19 yr, and on BMI score for ≥20 yr, ** ‘overweight/obese’ terminology based on: Barlow SE and the Expert Committee 2007, [ES]: effect size, a Fisher's exact test for association between gender and age-groups with [Phi], b Independent Samples T-Test for differences between males and females, c Pearson's chi-square test for association between gender/age-groups and BMI categories with [Cramer's V], N/A statistical analysis is not applicable.