Table 4.
Demographic characteristics of patients with chronic NSLBP (n = 565)
| Variable | n | Mean | SD | % |
|---|---|---|---|---|
| Age | 565 | 43 | 10.2 | |
| Self-reported pain (NRS) | 561 | 5 | 1.8 | |
| Duration of pain (days) | 541 | 1154 | 2011.8 | |
| Gender | ||||
| Male | 303 | 54 | ||
| Female | 262 | 46 | ||
| Education (years at school) | ||||
| 6 years | 256 | 46 | ||
| 7–9 years | 276 | 50 | ||
| >9 years | 25 | 4 | ||
| Marital status | ||||
| Single | 111 | 20 | ||
| Married | 173 | 66 | ||
| Divorced/parted | 75 | 13 | ||
| Unknown | 5 | 1 | ||
| Native language | ||||
| (Swiss) German | 307 | 54 | ||
| French | 7 | 1 | ||
| Italian | 21 | 4 | ||
| Spanish | 37 | 6 | ||
| Portuguese | 14 | 2 | ||
| Serbo-Croatian | 90 | 16 | ||
| Albanian | 20 | 3 | ||
| Turkish | 15 | 3 | ||
| Othera | 54 | 10 | ||
| Work-contract | ||||
| Yes | 274 | 49 | ||
| Do not know | 89 | 16 | ||
| No | 181 | 32 | ||
| Otherb | 14 | 2 | ||
| Work-position | ||||
| Unskilled worker/trainee | 182 | 32 | ||
| Worker/office worker | 325 | 57 | ||
| Superior/team leader | 24 | 4 | ||
| Cadres/manager | 6 | 1 | ||
| Owner/self-employed | 24 | 4 | ||
| Unknown | 3 | 0.5 | ||
NRS numeric rating scale min. 0–max. 10
aNative language: other (English, Croatian, Macedonian, Slovenian, Bosnian)
bWork status: other (non-retired, temporary employment, uncertain)