Table 2.
Standardized effects of the mediation models by gender
| Model (male) | Path coefficients | 95% CI | p-value | Model (female) | Path coefficients | 95% CI | p-value |
|---|---|---|---|---|---|---|---|
| Andersen test (A) | Andersen test (A) | ||||||
| Direct effects | Direct effects | ||||||
| WG → SMM (a) | −0.46 | − 0.60~ − 0.32 | < 0.001 | WG → SMM (a) | −0.38 | − 0.54~ − 0.22 | < 0.001 |
| SMM → A (b) | 0.28 | 0.10~0.45 | 0.002 | SMM → A (b) | 0.25 | 0.06~0.45 | 0.012 |
| WG → A (c) | −0.36 | −0.53~ − 0.19 | < 0.001 | WG → A (c) | −0.33 | − 0.53~ − 0.14 | 0.001 |
| Indirect effects | Indirect effects | ||||||
| WG → A (a × b) | − 0.13 | −0.22~ − 0.04 | 0.006 | WG → A (a × b) | −0.10 | − 0.18~ − 0.01 | 0.029 |
| Total effect | Total effect | ||||||
| WG → A (a × b + c) | −0.49 | − 0.63~ − 0.34 | < 0.001 | WG → A (a × b + c) | −0.43 | − 0.61~ − 0.25 | < 0.001 |
| R2(A) | 0.30 | 0.14~0.46 | < 0.001 | R2(A) | 0.24 | 0.08~0.40 | 0.003 |
| CMJ (C) | CMJ (C) | ||||||
| Direct effects | Direct effects | ||||||
| WG → SMM (a) | −0.46 | −0.60~ − 0.32 | < 0.001 | WG → SMM (a) | − 0.38 | −0.54~ − 0.22 | < 0.001 |
| SMM → C (b) | 0.30 | 0.13~0.47 | < 0.001 | SMM → C (b) | 0.17 | −0.02~0.35 | 0.074 |
| WG → C (c) | −0.36 | − 0.52~0.20 | < 0.001 | WG → C (c) | − 0.34 | −0.52~ − 0.16 | < 0.001 |
| Indirect effects | Indirect effects | ||||||
| WG → C (a × b) | − 0.14 | − 0.23~ − 0.05 | 0.002 | WG → C (a × b) | − 0.06 | − 0.14~0.01 | 0.098 |
| Total effect | Total effect | ||||||
| WG → C (a × b + c) | − 0.50 | − 0.63~ − 0.36 | < 0.001 | WG → C (a × b + c) | − 0.40 | −0.56~ − 0.24 | < 0.001 |
| R2(C) | 0.32 | 0.18~0.46 | < 0.001 | R2(C) | 0.18 | 0.04~0.32 | 0.007 |
| 5mSR (S) | 5mSR (S) | ||||||
| Direct effects | Direct effects | ||||||
| WG → SMM (a) | −0.46 | −0.60~ − 0.32 | < 0.001 | WG → SMM (a) | − 0.38 | −0.54~ − 0.22 | < 0.001 |
| SMM → S (b) | − 0.27 | −0.43~ − 0.10 | 0.002 | SMM → S (b) | −0.30 | − 0.48~ − 0.12 | 0.001 |
| WG → S (c) | 0.37 | 0.21~0.53 | < 0.001 | WG → S (c) | 0.36 | 0.18~0.53 | < 0.001 |
| Indirect effects | Indirect effects | ||||||
| WG → S (a × b) | 0.12 | 0.04~0.21 | 0.006 | WG → S (a × b) | 0.11 | 0.03~0.20 | 0.007 |
| Total effect | Total effect | ||||||
| WG → S (a × b + c) | 0.49 | 0.35~0.62 | < 0.001 | WG → S (a × b + c) | 0.47 | 0.32~0.63 | < 0.001 |
| R2(S) | 0.29 | 0.15~0.43 | < 0.001 | R2(S) | 0.30 | 0.14~0.46 | < 0.001 |
| SumPF (SPF) | SumPF (SPF) | ||||||
| Direct effects | Direct effects | ||||||
| WG → SMM (a) | −0.46 | −0.60~ − 0.32 | < 0.001 | WG → SMM (a) | − 0.38 | − 0.54~ − 0.22 | < 0.001 |
| SMM → SPF(b) | 0.32 | 0.16~0.48 | < 0.001 | SMM → SPF (b) | 0.34 | 0.17~0.51 | < 0.001 |
| WG → SPF (c) | − 0.49 | − 0.63~ − 0.34 | < 0.001 | WG → SPF (c) | −0.48 | − 0.64~ − 0.32 | < 0.001 |
| Indirect effects | Indirect effects | ||||||
| WG → SPF(a × b) | − 0.15 | −0.23~ − 0.06 | 0.001 | WG → SPF(a × b) | −0.13 | − 0.21~ − 0.05 | 0.003 |
| Total effect | Total effect | ||||||
| WG → SPF(a × b + c) | −0.63 | − 0.74~ − 0.52 | < 0.001 | WG → SPF(a × b + c) | − 0.61 | −0.75~ − 0.47 | < 0.001 |
| R2(SPF) | 0.48 | 0.34~0.62 | < 0.001 | R2(SPF) | 0.47 | 0.31~0.63 | < 0.001 |
Abbreviations: WG Weight group, SMM Skeletal muscle mass, CMJ Countermovement jump, 5mSR 5 × 5-m shuttle run, SumPF Sum of physical fitness score, 95% CI 95% confidence intervals