Table 1 Characteristics of the study population, n = 228
Mean age in years (SD) n | 42.2 (11.0) | 228 |
Gender female %, n | 53 | 120 |
Mean Body-Mass-Index in kg/m2 (SD) n | 26.7 (5.0) | 225 |
Employment %, n | ||
 Not working | 4.9 | 11 |
 Working ≥ 35 hours | 62.9 | 141 |
 Working 15 to 34 hours | 25.0 | 56 |
 Working < 15 hours | 2.7 | 6 |
 Parental or other leave | 3.1 | 7 |
 Trainee/retrainee/prentice | 1.3 | 3 |
 Total | 100 | 224 |
Mean Pain intensity (SD) n | 4.3 (1.7) | 225 |
Mean Disability (RMDQ; SD) n | 9.9 (5.2) | 204 |
Duration of current episode %, n | ||
 <6 weeks | 60.3 | 135 |
 6 to 12 weeks | 8.9 | 20 |
 >12 weeks to 0.5 year | 5.8 | 13 |
 >0.5 year | 25.0 | 56 |
 Total | 100 | 224 |
Sick leave within the previous 12 weeks %, na | 13.6 | 31 |
Mean HADS-D (depression; SD) n | 4.7 (3.5) | 224 |
Mean PCS (SD) n | 16.7 (10.5) | 227 |
Mean TSK (SD) n | 32.9 (6.7) | 228 |
Mean STarT-G total (SD) n | 3.9 (2.0) | 205 |
Mean STarT-G subscale (SD) n | 2.0 (1.4) | 209 |
STarT-G risk group %, n | ||
 Low risk | 38.6 | 80 |
 Medium risk | 43.5 | 90 |
 High risk | 17.9 | 37 |
 Total | 100 | 207 |