Table 1.
Description of the study population on the categories utilized for the independent variables in the regression analysis, (n = 584)
| n | % | |
|---|---|---|
| Gender | ||
| Male | 201 | 34 |
| Female | 383 | 66 |
| Diagnoses; codes from the ICPC-2# | ||
| Musculoskeletal diagnoses | 271 | 46 |
| Back pain with or without radiating pain (L02, L03, L84, L86) | 152 | |
| Neck/shoulder/arm pain (L08, L12, L83, L92, L93) | 43 | |
| Musculoskeletal pain in general (L18, L29, L81, L82, L99) | 55 | |
| Other (L11, L15, L20, L76, L88, L90, L91, L94, L97) | 21 | |
| Mental diagnoses | 275 | 47 |
| Anxiety (P01, P74) | 15 | |
| Depression (P03, P76) | 130 | |
| Neurasthenia (P78) | 119 | |
| Other (P02, P06, P24, P28, P29, P79, P86) | 11 | |
| Other diagnoses | 38 | 7 |
| Heart disease (K02, K73, K74, K75, K76, K78, K81, K87, K92, K94) | 13 | |
| Neurology (N17, N29, N71, N79, N81, N89, N94, N99) | 11 | |
| Other (A04, A87, D75, H86, R95, S91, T73, T82, T90) | 14 | |
| Occupation | n = 579* | |
| Blue-collar | 167 | 29 |
| White-collar | 136 | 23 |
| Health and social workers | 120 | 21 |
| Education and child care | 91 | 16 |
| Service sector | 65 | 11 |
| Sick leave length before work-related rehabilitation | ||
| 0–4 months | 82 | 14 |
| 5–8 months | 195 | 33 |
| 9–12 months | 160 | 28 |
| >12 months | 147 | 25 |
* Information on occupation missing on 5 individuals
#ICPC codes up to 29 indicate symptoms/complaints; codes from 70 to 99 indicate a verified disease/disorder