Effect of recreational football on lean body mass and fat mass with modifying effects for type of control group, gender, age, length of training intervention and training frequency
Lean body mass (kg) | Fat mass (kg) | |||||
Effect size (95% CI) | ±95% CL | Magnitude-based inference | Effect size (95% CI) | ±95% CL | Magnitude-based inference | |
Type of control | ||||||
No exercises | 0.51 (0.03 to 0.99) | 0.48 | Possibly moderately beneficial | 1.72 (0.86 to 2.58) | 0.56 | Most likely largely beneficial |
Running group | 0.20 (−0.40 to 0.79) | 0.33 | Very unlikely small harmful | −0.41 (−1.24 to 0.42) | 0.87 | Possibly small harmful |
Zumba group | 0.05 (−2.30 to 2.39) | 2.50 | Unclear | 0.35 (−1.54 to 2.24) | 2.00 | Unclear |
Gender | ||||||
Male | 0.12 (−0.48 to 0.71) | 0.63 | Very unlikely trivially harmful | 1.33 (0.61 to 2.04) | 1.90 | Very likely largely beneficial |
Female | 0.59 (0.16 to 1.02) | 0.40 | Possibly small beneficial | 0.74 (−0.17 to 1.65) | 0.93 | Possibly moderately beneficial |
Age (years) | ||||||
18–45 | 0.56 (0.11 to 1.00) | 0.43 | Possibly small beneficial | 0.68 (−0.31 to 1.67) | 1.00 | Possibly moderately beneficial |
45–65 | 0.28 (−0.73 to 1.29) | 1.10 | Unclear | 1.63 (1.00 to 2.27) | 0.66 | Most likely largely beneficial |
>65 | 0.20 (−0.73 to 1.13) | 0.99 | Unlikely small beneficial | 0.58 (−0.56 to 1.72) | 0.23 | Unclear |
Length of training intervention | ||||||
≤12 weeks | −0.02 (−1.31 to 1.28) | 1.30 | Unlikely trivially harmful | 1.45 (0.41 to 2.49) | 0.97 | Very likely largely beneficial |
>12 weeks | 0.46 (0.10 to 0.82) | 0.35 | Unlikely small beneficial | 0.88 (0.16 to 1.59) | 0.69 | Likely moderately beneficial |
Training frequency | ||||||
≤2 weeks | 0.46 (0.08 to 0.84) | 0.37 | Unlikely small beneficial | −0.32 (−0.86 to 0.21) | 0.19 | Unlikely small harmful |
>2 weeks | 0.43 (0.08 to 0.77) | 0.17 | Unlikely small beneficial | 1.65 (0.85 to 2.68) | 0.66 | Most likely largely beneficial |
95%CI, Confidence interval at 95%; ±95%CL, Confidence limit at 95%.