Table 1.

Baseline characteristics of the study population (n = 407)

Gender: male, n (%)	153 (37.6)
Age, mean (SD)	76.8 (6.3)
Living arrangement: living together, n (%)	242 (59.5)
Highest education: n (%)
Primary	121 (29.7)
Secondary	199 (48.9)
College/university	87 (21.4)
Number of chronic diseases: ≥3, n (%)	197 (48.4)
Chronic diseases: top 3, n (%)
Chronic ischemic heart disease, heart failure	254 (62.4)
Diabetes mellitus	152 (37.3)
Chronic respiratory disease	113 (27.8)
Number of joint pain sites, (1–8), mean (SD)	4.0 (1.9)
Worst pain site: top 3, n (%)
Back	109 (27.2)
Knee	73 (18.2)
Hand/wrist	61 (15.2)