Table 1.
Health related lifestyles in adolescents by sex.
| Total Sample n (%) / Mean (SD) n = 695 | Boys n (%) / Mean (SD) n = 297 | Girls n (%) / Mean (SD) n = 398 | p-value | |
|---|---|---|---|---|
| Age | 16.0 (0.66) | 16.0 (0.7) | 16.0 (0.6) | 0.274 |
| Physical activity (weekly) | 565 (81.3%) | 252 (84.8%) | 313 (78.6%) | 0.041 |
| Optimal Mediterranean Diet adherence | 177 (25.5%) | 69 (23.2%) | 108 (27.1%) | 0.203 |
| Tobacco consumption (weekly or daily) | 61 (8.8%) | 24 (8.1%) | 37 (9.4%) | 0.621 |
| Alcohol consumption (weekly or daily) | 138 (19.9%) | 65 (22%) | 73 (18.3%) | 0.236 |
| Sleep problems one or more nights/week | 210 (30.2%) | 68 (23%) | 142 (35.9%) | <0.001 |
| Every night | 58 (8.3%) | 14 (4.7%) | 44 (11.0%) | |
| Sleep time (hours)/ weekday | 7.6 (1.0) | 7.7 (1.1) | 7.4 (0.9) | <0.001 |
| Sleep time <8 hours / weekday | 393 (56.5%) | 148 (49.8%) | 245 (61.4%) | <0.001 |
| TV time (hours)/ weekday | 1.9 (1.8) | 2 (1.9) | 1.9 (1.6) | 0.554 |
| Screen time (hours)/weekday | 5.3 (5.0) | 4.5 (4.3) | 5.9 (5.3) | <0.001 |
| Social Network time (hours)/weekday | 5.4 (6.0) | 4.9 (6.3) | 5.7 (5.9) | 0.050 |