Association Between Frailty and Quality of Life in Middle-Aged and Older Adults.

Objective: This study investigated the relationship between frailty and quality of life in middle-aged and older adults, and determined how age influences the relationship between frailty and quality of life.

Design: A cross-sectional study from Korean Longitudinal Study of Ageing (2006-2020).

Setting And Participants: There were a total of 9301 participants aged ≥45 years at baseline (2006).