Table 2.
Characteristics of study participants: age, screen time, physical activity, and KIDMED index for the total study population and according to parents’ education level.
| Total | Children (8–11 Years) | Adolescents (12–16 Years) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary School or No School | Secondary School | University | Primary School or No School | Secondary School | University | |||||||||||
| Variables | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| Age (years) | 12.5 | 2.3 | 10.3 a | 1.0 | 10.4 a | 1.0 | 10.4 a | 1.0 | 14.3 a | 1.3 | 14.4 a | 1.4 | 14.2 a | 1.3 | ||
| Daily screen time (minutes) | 207.9 | 143.2 | 173.3 a | 131.9 | 170.9 a | 139.9 | 125.0 b | 112.2 | * | 266.2 a | 143.7 | 267.7 a | 139.2 | 222.2 b | 127.3 | * |
| MVPA/week (minutes) | 870.0 | 540.3 | 914 a | 498.5 | 938.7 a | 512.9 | 1004.0 b | 512.2 | * | 764.2 a | 531.5 | 765.3 a | 547.8 | 855.7 b | 560.0 | * |
| MVPA/day (minutes) | 124.3 | 77.2 | 130.6 a | 71.2 | 134.1 a | 73.3 | 143.4 b | 73.2 | * | 109.2 a | 75.9 | 109.3 a | 78.3 | 122.2 b | 80.0 | * |
| KIDMED index | 6.8 | 2.5 | 6.7 a | 2.5 | 6.8 a | 2.5 | 7.6 b | 2.4 | * | 6.1 a | 2.3 | 6.2 a | 2.5 | 7.2 b | 2.3 | * |
SD: standard deviation; MVPA: moderate or vigorous physical activity. *, p < 0.05 for the ANOVA between education level categories. a,b different letters mean p < 0.05 on the comparison between education level categories (Bonferroni correction for multiple tests).