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Table 1 Sociodemographic and clinical characteristics of the study population (N = 407)

From: Exploring the aggregation of four functional measures in a population of older adults with joint pain and comorbidity

Gender: female, n (%) 254 (62.4)
Age, mean (SD) 76.8 (6.3)
Nationality: Dutch, n (%) 386 (95.1)
Marital status: married/ cohabiting, n (%) 236 (58.7)
Living situation: together, n (%) 242 (59.5)
Educational level, n (%)  
Primary 121 (29.7)
Secondary 199 (48.9)
College/university 87 (21.4)
Comorbidity  
Number of chronic diseases, n (%)  
2 chronic diseases 210 (51.6)
≥3 chronic diseases 197 (48.4)
Joint pain  
Number of joint pain sites, n (%)  
single 38 (9.4)
multiple 367 (90.6)
Pain duration worst pain site: ≥ 6 months, n (%) 358 (89.5)
Pain intensity CPG (range 0–100), mean (SD) 64.4 (17.3)
Functional impairment  
Impaired physical functioning (PF), yes, n (%) 267 (65.6)
ADL limitations (KATZ), yes, n (%) 127 (31.2)
IADL limitations (Lawton), yes, n (%) 248 (60.9)
Participation restriction in basic activities (KAP), yes, n (%) 190 (46.7)
Number of functional impairments, n (%)  
1-2 165 (40.6)
3-4 166 (40.7)
  1. n = number; SD = standard deviation; CPG = Chronic Pain Grade; ADL = Activities of Daily Living; IADL = Instrumental Activities of Daily Living; KAP = Keele Assessment of Participation.