Characteristics | Boys n = 1588 | Girls n = 1682 | p | |
---|---|---|---|---|
Age, years, m ± SD | 14.8 ± 2.2 | 15.0 ± 2.2 | 0.002 | |
Place of residence, % | urban | 54.7 | 61.2 | < 0.0001 |
rural | 45.3 | 38.8 | ||
Body mass index, % | underweight | 7.6 | 17.5 | < 0.0001 |
normal | 79.5 | 75.0 | ||
overweight | 11.4 | 6.1 | ||
obesity | 1.6 | 1.4 | ||
Higher consumption of unhealthy foods % | 56.2 | 44.4 | < 0.0001 | |
Lower consumption of unhealthy foods% | 43.8 | 55.6 | ||
Smoking at least once a week, % | 19.3 | 11.3 | < 0.0001 | |
Alcohol intake until feeling drunk ≥2 times, % | 39.4 | 32.3 | < 0.0001 | |
Physical activity % | < 5 days/week | 56.1 | 76.2 | < 0.0001 |
≥5 days/week | 43.9 | 23.8 | ||
Self-perception of physical activity as sufficient, % | 70.3 | 54.1 | < 0.0001 | |
Self-perception of physical fitness as good, % | 82.5 | 76.4 | < 0.0001 | |
Sport participation, % | 53.6 | 38.6 | < 0.0001 | |
Screen time, hours/day, m ± SD | 5.0 ± 3.2 | 4.1 ± 2.7 | < 0.0001 | |
Screen time > 2 h/day, % | 82.6 | 70.6 | < 0.0001 | |
Psychosomatic health complaints (PHC), % | 55.3 | 72.2 | < 0.0001 | |
Somatic complaints score, m ± SD | 6.8 ± 3.8 | 7.9 ± 3.8 | < 0.0001 | |
Psychological complaints score, m ± SD | 8.2 ± 4.2 | 9.7 ± 4.3 | < 0.0001 | |
Life satisfaction score; m ± SD | 7.42 ± 2.42 | 7.29 ± 2.20 | 0.001 |