Table 3 Moderator analysis
Moderator | Outcome | Hedges’g (95% CI) | No. of studies | Between group comparison: Q (df) |
|---|---|---|---|---|
Sex of participants | Squat jump | Males 0.836** (0.497–1.175) | 9 | 7.080 (1)** |
Females 0.207 (− 0.108–0.522) | 1 | |||
Sex of training group | Squat jump | Males 0.836** (0.497–1.175) | 9 | 7.080 (1)** |
Mixed 0.207 (− 0.108–0.522) | 1 | |||
Sport status | Squat jump | Sport 0.949*** (0.585–1.759) | 7 | 8.891 (1)** |
Not sport 0.251 (− 0.029–0.530) | 3 | |||
Standing long jump | Sport 1.658 *** (0.752–2.564) | 1 | 9.107 (1) ** | |
Not sport 0.227* (0.020–0.433) | 13 | |||
Type of control | Standing long jump | No strength 0.227*(0.020–0.433) | 13 | 9.107 (1)** |
Sport only 1.658**(0.752–2.564) | 1 | |||
Quality score | Sprint | 1 (strong) = 0.481 (− 0.306–1.268) | 1 | 12.575 (2)** |
2 (moderate) = − 0.657*(−1.207–0.107) | 1 | |||
3 (weak) = 0.418** (0.173–0.663) | 9 |