주당 횟수에서는 주 3회∼주 4회의 효과크기가 가장 높고 주 5회 이상의 효과크기가 가장 낮은 것으로 나타났다.
In the number of times per week, it was found that the effect size of 3 to 4 times a week was the highest, and the effect size of more than 5 times a week was the lowest.