Table 1 Baseline demographic and clinical characteristics of participants (n = 143)

Social-demographic characteristics

Gender, n (%)

 Female

90 (62.9)

Age (years), mean ± SD

69.1 ± 10.2

Ethnicity, n (%)

 Native

131 (91.6)

Living situation, n (%)

 Living together with partner and/or family

102 (71.8)

Level of Education, n (%)

 Low (<  12 years)

90 (64.3)

Work, n (%)

 Paid work

28 (19.7)

District

 1

44 (30.8)

 2

44 (30.8)

 3

55 (38.5)

Clinical characteristics

Location, n (%)

 Hip

77 (53.9)

 Knee

103 (72.0)

Number of painful joints (range 0–10); median (IQR)

3 (2–4)

Duration of symptoms, n (%)

 <  1 years

13 (9.2)

 1–5 years

66 (46.8)

 5–10 years

32 (22.7)

 >  10 years

30 (21.3)

Number of comorbidities (range 0–15); median (IQR)

1 (0–3)