Table 1.
Descriptive characteristics for the participants and the variables in this study—HBSC Portugal (N = 5695).
| Items Studied | n 1 | Mean (SD) | % |
|---|---|---|---|
| Individual | |||
| Age (years) | 5695 | 15.5 (±1.8) | |
| Gender | 5695 | ||
| Female | 3067 | 53.9 | |
| Male | 2628 | 46.1 | |
| Grade | 5695 | ||
| 8th year | 2766 | 48.6 | |
| 10th year | 1711 | 30.0 | |
| 12th year | 1218 | 21.4 | |
| Physical Activity | 5564 | ||
| Insufficient (<4 days/week) | 3470 | 62.4 | |
| Enough (≥4 days/week) | 2094 | 37.6 | |
| Sleep time | 5077 | ||
| Inappropriate (<8 h) | 2224 | 43.8 | |
| Appropriate (≥8 h) | 2853 | 56.2 | |
| Active Transportation | 4276 | ||
| No | 2716 | 63.5 | |
| Yes | 1560 | 36.5 | |
| Perceptions | |||
| Perception of health | 5638 | ||
| Reasonable to bad | 817 | 14.5 | |
| Good or excellent | 4821 | 85.5 | |
| Perception of neighborhood’s security | 4273 | ||
| Bad | 1660 | 38.8 | |
| Good | 2613 | 61.2 | |
| Perception of happiness | 5695 | ||
| Happy | 4290 | 85.4 | |
| Unhappy | 1405 | 14.6 | |
| School Level | |||
| Likes school | 5524 | ||
| Yes | 3565 | 64.5 | |
| No | 1959 | 35.5 | |
| Proximity to school (min.) | 4347 | 15.3 (±13.9) |
1 Number of adolescents that completed the survey item.