Effect of the study group and adherence on performance changes
| Randomisation | Adherence | ||||
|---|---|---|---|---|---|
| Tests | ΔG mean (95% CI) | p-Value | ΔG mean (95% CI) | p-Value | |
| Single-leg balance (s) | Single-leg balance (s) | ||||
| Left | Left | ||||
| Control | Low | ||||
| Regular | 1.22 (−0.88 to 3.32) | 0.25 | Medium | −1.15 (−2.84 to 0.54) | 0.18 |
| Comprehensive | 2.80 (1.05 to 4.55) | 0.002 | High | −0.55 (−2.39 to 1.29) | 0.56 |
| Right | Right | ||||
| Control | Low | ||||
| Regular | 0.42 (−1.34 to 2.18) | 0.64 | Medium | −0.84 (−2.22 to 0.54) | 0.23 |
| Comprehensive | 1.17 (−0.29 to 2.63) | 0.12 | High | 0.34 (−1.18 to 1.83) | 0.43 |
| Star Excursion Balance Test (cm) | Star Excursion Balance Test (cm) | ||||
| Left | Left | ||||
| Anterior | Anterior | ||||
| Control | Low | ||||
| Regular | 6.1 (3.2 to 9) | <0.001 | Medium | 1.6 (−0.4 to 3.7) | 0.12 |
| Comprehensive | 4.7 (2.2 to 7.1) | <0.001 | High | 3 (0.6 to 5.3) | 0.012 |
| Posterolateral | |||||
| Control | Low | ||||
| Regular | −0.3 (−5 to 4.4) | 0.90 | Medium | 1.8 (−0.8 to 4.5) | 0.18 |
| Comprehensive | 2.2 (−1.7 to 6.2) | 0.27 | High | 4.8 (1–8 to 7.9) | 0.002 |
| Posteromedial | |||||
| Control | Low | ||||
| Regular | 2.5 (−2 to 6.9) | 0.28 | Medium | 2.3 (−0.6 to 5.3) | 0.12 |
| Comprehensive | 1.5 (−2.2 to 5.1) | 0.43 | High | 3.5 (0.2 to 6.8) | 0.037 |
| Right | Right | ||||
| Anterior | Anterior | ||||
| Control | Low | ||||
| Regular | 4.3 (1.1 to 7.4) | 0.007 | Medium | 0.4 (−1.8 to 2.6) | 0.71 |
| Comprehensive | 4.1 (1.4 to 6.7) | 0.002 | High | 0.8 (−1.7 to 3.2) | 0.53 |
| Posterolateral | |||||
| Control | Low | ||||
| Regular | −0.7 (−5 to 3.5) | 0.74 | Medium | 1.6 (−1.1 to 4.3) | 0.24 |
| Comprehensive | 1.5 (−2.1 to 5.1) | 0.41 | High | 4 (1 to 7) | 0.009 |
| Posteromedial | |||||
| Control | Low | ||||
| Regular | 2.5 (−1.8 to 6.8) | 0.25 | Medium | 1.9 (−0.9 to 4.7) | 0.18 |
| Comprehensive | 0.6 (−2.9 to 4.2) | 0.74 | High | 4.5 (1.5 to 7.6) | 0.004 |
| Single-leg triple hop (cm) | Single-leg triple hop (cm) | ||||
| Left | Left | ||||
| Control | Low | ||||
| Regular | −14.8 (−31.1 to 1.4) | 0.07 | Medium | −2 (−14.9 to 10.9) | 0.76 |
| Comprehensive | 3.1 (−10.4 to 6.6) | 0.65 | High | −3.9 (−18.3 to 10.4) | 0.59 |
| Right | Right | ||||
| Control | Low | ||||
| Regular | −19.6 (−39.2 to −0.1) | 0.049 | Medium | −4.5 (−20.4 to 11.4) | 0.58 |
| Comprehensive | 6.7 (−9.7 to 23.2) | 0.42 | High | −16.5 (−34.5 to 1.5) | 0.07 |
| Jumping-over-bar (number) | Jumping-over-a-bar (number) | ||||
| Control | Low | ||||
| Regular | −1 (−6.6 to 4.5) | 0.72 | Medium | −0.6 (−2.5 to 1.2) | 0.50 |
| Comprehensive | −5.1 (−9.9 to −0.2) | 0.039 | High | −0.3 (−2.5 to 1.9) | 0.79 |
Results are adjusted for cluster, age group and playing level.
Positive values denote a result favouring the intervention groups (coach- and player focused) and higher adherence groups (medium and high) (ΔG).