The association between living arrangements and health-related quality of life in Korean older people: a nationwide repeated cross-sectional study

Objectives This study investigated the association between living arrangements and health-related quality of life (HRQoL) in older people. Methods A secondary analysis was conducted of 6,153 participants (aged ≥60 years) from the seventh Korean National Health and Nutrition Examination Survey (2016 to 2018). HRQoL was measured using the 3-level version of the EuroQol 5-dimensional questionnaire. The chi-square test, t-test, and multiple regression were used, applying sampling weights for the analysis. Results The proportion of respondents living alone was 18.0%, with a higher prevalence among women and older age groups (p