Table 1.
Participants’ characteristics (n = 167,021 adolescents).
| Total % or M (95% CI) | |
|---|---|
| Sex | |
| Boys | 48.2 (48.0, 48.5) |
| Girls | 51.8 (51.5, 52.0) |
| Age (years) | 13.6 (13.6, 13.6) |
| Age | |
| 10–12 years | 32.3 (32.1, 32.6) |
| 13–14 years | 35.3 (35.1, 35.5) |
| 15–16 years | 32.4 (32.2, 32.6) |
| FAS index | 14.0 (14.0, 14.0) |
| Health symptoms (more than once a week) | |
| Headache | 17.6 (17.5, 17.8) |
| Stomach ache | 11.0 (10.8, 11.1) |
| Backache | 13.3 (13.1, 13.4) |
| Dizziness | 10.4 (10.3, 10.6) |
| Feeling low | 17.7 (17.5, 17.9) |
| Irritability | 22.8 (22.6, 23.0) |
| Nervousness | 22.2 (22.0, 22.4) |
| Difficulties sleeping | 21.7 (21.5, 21.9) |
| Multiple health complaints (more than once a week) | |
| Less than 1 complaint | 66.6 (66.4, 66.8) |
| ≥2 complaints | 33.4 (33.2, 33.6) |
| Physical activity | |
| ≤6 days/week | 80.4 (80.2, 80.6) |
| Daily | 19.6 (19.4, 19.8) |
| Screen-based behaviors | |
| ≥2 hours/day | 73.7 (73.5, 73.9) |
| <2 hours/day | 26.3 (26.1, 26.5) |
| Fruit and vegetables | |
| Not daily | 76.6 (76.4, 76.8) |
| Daily | 23.4 (23.2, 23.6) |
| Drink alcohol | |
| Drink | 38.9 (38.7, 39.2) |
| Do not drink | 61.1 (60.8, 61.3) |
| Smoking | |
| Smoke | 7.9 (7.7, 8.0) |
| Do not smoke | 92.1 (92.0, 92.3) |
| Healthy lifestyle score | |
| ≤4 healthy behaviors | 98.1 (98.1, 98.2) |
| 5 healthy behaviors | 1.9 (1.8, 1.9) |
%, percentage; M, mean; CI, confidence interval; FAS, family affluence scale.