Baseline characteristics of the participants according to the presence/absence of one chronic disease.
*As opposed to living independently but with others.
ADL, Activities of Daily Living (measured with Katz ADL, 0–6, higher score indicates worse function).
CPRS, Comprehensive Psychopathological Rating Severity (0–48, higher score indicates more depressive symptoms).
ESR, Erythrocyte Sedimentation Rate.
MMSE, Mini-Mental State Examination (0–30, higher score indicates better function).
WBC, white blood cell.