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Table 1 Characteristics of the 314 participants
| Without knee problem | With knee problem | Overall | |
|---|---|---|---|
| N = 214 | N = 100 | N = 314 | |
| Male gender n (%) | 115 (53.7%) | 61 (61%) | 176 (56.1%) |
| Mean (SD) age in years | 21.9 (5.0) | 22.6 (5.4) | 22.0 (5.2) |
| HSCL-10 | |||
| n (%) meeting threshold for mental distressa | 26 (12.4%) | 21 (21.0%) | 47 (15.2%) |
| Mean (SD) BMI (kg/m2)b | 24.1 (4.1) | 24.8 (4.1) | 24.3 (4.1) |
| Physical activity levels n (%) | |||
| Low | 121 (56.5%) | 44 (44.0%) | 165 (52.5%) |
| Moderate | 50 (23.4%) | 25 (25.0%) | 75 (23.9%) |
| High | 42 (19.6%) | 30 (30.0%) | 72 (22.9%) |
| Missing | 1 (0.5%) | 1 (1%) | 2 (0.6%) |
| Mean (SD) average daily sitting time (in hours) | 5.5 (2.5) | 5.9 (2.9) | 5.6 (2.6). |
