Mental component of health-related quality of life is an independent predictor of incident functional disability among community-dwelling older people: a prospective cohort study

Previous studies have reported a positive association between poor health-related quality of life (HRQOL) and disability mainly in relation to the physical component of HRQOL. Given the mental component’s responsivity to interventions, this study aimed to investigate whether the mental component of HRQOL independently predicted functional disability. We targeted all residents aged ≥ 65 years in one municipality and analyzed 3858 men and 4475...