Table 1 Respondent characteristics (N = 262)

Age (Mean/SD)

52.2 (10.1)

Sex

 % female

62.1

Regular partner

 % yes

68.8

Level of education (highest level completed)

 % elementary school

28.1

 % secondary school

43.4

 % university-entrance diploma or technical college qualification

24.6

Employment

 % employed

80.1

Medical and pain characteristics

Pain intensity (VAS 0–100, Mean/SD)

54.0 (23.4)

SF-36: Bodily pain (Mean/SD)

36.9 (20.3)

Duration of disease (%)

 <1 year

10.8

 1–2 years

14.7

 3–5 years

23.6

 6–10 years

23.6

 >10 years

26.3

Psychological characteristics

HADS: Anxiety (% conspicuous values¹)

31.8

HADS: Depression (% conspicuous values¹)

19.2