Table 1.
Participants’ characteristics at baseline–nord-trøndelag health study in norway (Young-HUNT1).
| Variables | Girls (N = 1049) |
Boys (N = 810) |
p-Value |
|---|---|---|---|
| Age (years), mean (SD) | 16.0 (1∙8) | 16.0 (1.8) | |
| Physical activity, N (%) | |||
| High PA | 245 (23.4) | 239 (29.5) | |
| Moderate PA | 449 (42.8) | 321 (39.6) | |
| Low PA | 347 (33.1) | 237 (29.3) | 0.005 * |
| Missing | 8 (0.8) | 13 (1.6) | |
| Musculoskeletal pain, N (%) | |||
| Yes | 379 (36.1) | 213 (26.3) | |
| No | 638 (60.8) | 568 (70.1) | p < 0.001 |
| Missing | 32 (3.1) | 29 (3.6) | |
| Psychological distress, (SCL5), N (%) | |||
| SCL5 ≥ 2 | 123 (11.7) | 46 (5.7) | |
| SCL5 < 2 | 890 (84.8) | 735 (90.7) | p < 0.001 |
| Missing | 36 (3.4) | 29 (3.6) | |
| BMI, mean (SD) | 21.5 (3.2) | 21.1 (3.2) | 0.012 |
| Obese †, N (%) | 16 (1.5) | 24 (3.0) | 0.027 |
Boys and girls analysed separately; * Chi-square test for trend; High physical activity (PA) = ≥4 days/week, Moderate PA = 2–3 days/week, Low PA = ≤1 day/week; SCL5 = Hopkins Symptom Checklist Five Items (range 0–4); † BMI-derived categorization of obesity defined by the International Obesity Task Force (IOTF); criteria for adolescents.