Table 1.
Descriptive information of the Spanish analyzed sample (n = 604).
| Variables | Preschoolers (n = 75; 12.4%) | Children(n = 208; 34.4%) | Adolescents (n = 321; 53.1%) | p -value for trend |
|---|---|---|---|---|
| M (SD) / n (%) | M (SD) / n (%) | M (SD) / n (%) | ||
| Age (years) | 4.2 (0.8) | 9.1 (2.0) | 15.7 (1.8) | <0.001 |
| Sex | ||||
| Males | 44 (58.7) | 116 (55.8) | 141 (43.9) | 0.008 |
| Females | 31 (41.3) | 92 (44.2) | 180 (56.1) | |
| Anthropometric data | ||||
| Weight (kg) | 18.00 (5.54) | 32.68 (11.19) | 59.11 (13.17) | <0.001 |
| Height (cm) | 105.2 (11.8) | 134.8 (15.0) | 166.4 (9.5) | <0.001 |
| BMI (z-score) | 0.55 (2.02) | 0.74 (2.08) | 1.11 (1.82) | <0.001 |
| SES | ||||
| High SES, (%) | 17 (22.7) | 60 (28.8) | 58 (18.1) | 0.008 |
| Breadwinner's educational level | ||||
| Complete higher education, (%) | 38 (50.7) | 96 (46.2) | 53 (16.5) | <0.001 |
| Geographical location | ||||
| Southern Spain, (%) | 48 (64.0) | 159 (76.4) | 239 (74.5) | 0.163 |
| Physical activity | ||||
| Physically active ≥ 60 min (days) | 5.1 (2.0) | 4.4 (2.3) | 3.5 (2.3) | <0.001 |
BMI, body mass index; SES, socioeconomic status.