Effect of recreational football on body mass index and body mass with modifying effects for type of control group, gender, age, length of training intervention and training frequency
Body mass index (kg/m2) | Body 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 | 0.28 (−0.12 to 0.67) | 0.41 | Possibly small beneficial | 0.70 (−0.29 to 1.68) | 1.0 | Unlikely small beneficial |
Running group | −0.12 (−0.54 to 0.30) | 0.45 | Unlikely trivially harmful | −0.21 (−1.34 to 0.92) | 1.2 | Very unlikely small harmful |
Zumba group | −0.40 (−1.34 to 0.54) | 0.99 | Possibly small harmful | 0.09 (−2.58 to 2.75) | 2.9 | Unlikely trivially harmful |
Gender | ||||||
Male | 0.54 (0.15 to 0.93) | 0.37 | Likely small beneficial | 1.64 (0.42 to 2.87) | 1.2 | Likely largely beneficial |
Female | −0.19 (−0.50 to 0.13) | 0.33 | Unlikely trivially harmful | −0.14 (−0.94 to 0.67) | 0.9 | Very unlikely trivially harmful |
Age (years) | ||||||
18–45 | 0.02 (−0.36 to 0.41) | 0.42 | Very unlikely trivially harmful | −0.17 (−1.03 to 0.68) | 0.9 | Very unlikely trivially harmful |
45–65 | 0.02 (−0.63 to 0.67) | 0.69 | Unlikely trivially harmful | 1.08 (−0.47 to 2.63) | 1.6 | Possibly moderately beneficial |
>65 | 0.50 (−0.03 to 1.03) | 0.53 | Possibly small beneficial | 1.52 (−0.13 to 3.17) | 1.7 | Possibly largely beneficial |
Length of training intervention | ||||||
≤12 weeks | 0.46 (−0.24 to 1.13) | 0.71 | Possibly small beneficial | 1.04 (−0.98 to 3.06) | 2.1 | Unclear |
>12 weeks | 0.03 (−0.24 to 0.30) | 0.29 | Most unlikely trivially beneficial | 0.32 (−0.39 to 1.04) | 0.8 | Most unlikely small harmful |
Training frequency | ||||||
≤2 weeks | 0.01 (−0.27 to 0.29) | 0.31 | Very unlikely trivially harmful | 0.15 (−0.60 to 0.90) | 0.8 | Most likely trivially beneficial |
>2 weeks | 0.39 (−0.13 to 0.92) | 0.54 | Possibly small beneficial | 1.48 (−0.07 to 3.03) | 1.6 | Possibly largely beneficial |
95%CI, Confidence interval at 95%; ±95%CL, Confidence limit at 95% .