Table 1.

Respondent characteristics (N = 688)

Age (M; SD)	51.0 (11.2)
Gender (% female)	57.2
Marital status (% married)	61.1
Level of education (%)
Elementary school	31.5
Secondary school	50.8
University-entrance diploma	12.2
Employment (%)	72.3
Inability to work (%)	37.7
Income per month (%)
< 500 euro	2.9
500–1000 euro	11.5
1000–1500 euro	21.4
1500–2000 euro	25.3
2000–2500 euro	12.5
2500–3000 euro	11.8
3000–3500 euro	6.1
> 3500 euro	8.6
Pain intensity (VAS; 0–100, M; SD)	52.9 (22.7)
Chronification (%)
Acute event	0.6
< 1 year	12.4
1–2 years	11.1
3–5 years	18.6
6–10 years	16.3
> 10 years	40.2
Treatment motivation (1–6, M; SD)	5.2 (0.88)