Baseline Comorbidity Associated With the Short-Term Effects of Exercise Intervention on Quality of Life in the Japanese Older Population: An Observational Study

Three months of class-based exercise is effective in alleviating bodily pain and the mental components of HRQOL; however, the effect of exercise on the physical domains of HRQOL may be limited. The presence of osteoarthritis may moderate the effects of exercise on HRQOL physical components.