Somatic Symptoms of Depression Lose Association with Mortality upon Adjustment for Frailty: Analysis from the Fitness Haemodialysis Cohort

Figure 3

Association of the PHQ-9 cognitive component score with the CFS score on simple and multiple linear regression analyses. Model 1 includes depression, age, gender, and ethnicity. Model 2 adds the education level, social support, and IMD quintile. Model 3 adds the Charlson Index (CKD excluded), MoCA score, smoking status, self-rated change in health, and overall health. Model 4 adds use of walking aids, physical activity index, slow timed walk, and low grip strength.