Test | Boys (n=261) | Girls (n=315) | Total (n=576) | ||||||
Athletes (n=198) | Non-athletes (n=63) | OR* (95% CI) | Athletes (n=201) | Non-athletes (n=114) | OR* (95% CI) | Athletes(n=399) | Non-athletes (n=177) | OR* (95% CI) | |
Able to perform 30 s plank (%) | 85.1 | 66.7 | 2.84 (1.36 to 5.93) | 87.4 | 69.6 | 2.60 (1.36 to 4.95) | 86.3 | 68.6 | 2.70 (1.67–4.36) |
Deep squat | |||||||||
Highest score (%) | 36.4 | 39.7 | 0.87 (0.47–1.61) | 35.3 | 37.7 | 0.91 (0.53–1.56) | 35.8 | 38.4 | 0.87 (0.58–1.29) |
Middle score (%) | 42.9 | 25.4 | 2.42 (1.24–4.73) | 40.3 | 21.1 | 2.39 (1.36–4.20) | 41.6 | 22.6 | 2.52 (1.65–3.86) |
Lowest score (%) | 20.7 | 34.9 | 0.46 (0.24–0.88) | 22.9 | 38.6 | 0.49 (0.30–0.83) | 21.8 | 37.3 | 0.48 (0.32–0.71) |
One-leg stance | |||||||||
>2 cm side-to-side difference (%) | 12.6 | 7.9 | 1.68 (0.60–4.70) | 10.0 | 11.4 | 0.89 (0.43–1.84) | 11.3 | 10.2 | 1.16 (0.66–2.06) |
≥13 cm on one side (%) | 5.6 | 0.0 | NA | 5.5 | 3.5 | 1.62 (0.49–5.41) | 5.5 | 2.3 | 2.38 (0.79–7.17) |
≥13 cm on both sides (%) | 6.6 | 3.2 | 1.38 (0.28–6.84) | 7.5 | 13.2 | 0.38 (0.15–0.94) | 7.0 | 9.6 | 0.53 (0.26–1.09) |
Vertical drop jump | |||||||||
Good control (%) | 53.0 | 46.0 | 1.17 (0.84–3.37) | 38.8 | 23.7 | 1.99 (1.11–3.56) | 45.9 | 31.6 | 1.99 (1.29–3.06) |
Impaired control (%) | 40.4 | 36.5 | 1.09 (0.55–2.16) | 41.8 | 43.9 | 1.02 (0.63–1.65) | 41.1 | 41.2 | 1.07 (0.73–1.58) |
Poor control (%) | 5.6 | 15.9 | 0.28 (0.11–0.73) | 18.4 | 31.6 | 0.47 (0.27–0.83) | 12.0 | 26.0 | 0.36 (0.22–0.58) |
Statistically significant results are indicated in bold.
↵*Comparisons were performed by using generalised linear mixed models (GLMM), the centre of sports medicine in which the examination was completed being level two in the analysis.