Regression analyses testing the mediation of GDS in the relationship between MBI and four domains of WHOQOL-BREF.

Each regression is adjusted for age, gender, education, marriage, household cohabitant, MMSE, multi-morbidity (including diabetes, hypertension, heart disease, stroke and cancer).WHOQOL = World Health Organization Quality of Life Scale-Brief Version; MMSE = Mini-Mental State Examination; MBI = Modified Barthel Index; GDS = Geriatric Depression Scale; Phy Dom = Physical domain; Psy Dom = Psychological domain; Soc Dom = Social relationship domain; Env Dom = Environmental domainRegression analyses testing the mediation of GDS in the relationship between MBI and four domains of WHOQOL-BREF.