Table 8 Univariate and multivariate regression analysis with perceived psychological and social factors at work as measured by QPS Nordic and ERI Questionnaire subscales as predictors and FABQ-W as the dependent variable in sick-listed patients with neck or back pain, controlling for age, gender and occupation
Unadjusted | Adjusted | |||||
|---|---|---|---|---|---|---|
Independent variables | β | 95% CI for β | p value | β | 95% CI for β | p value |
Age (increase of 9.8 yr)* | -0.55 | -1.43 to 0.33 | 0.22 | |||
Gender (men vs. women) | 2.23 | 0.42–4.04 | 0.016 | |||
High-skilled white-collar (vs. blue-collar) | -2.31 | -4.44 to -0.19 | 0.033 | |||
Job Demand (increase of 1.80 pts)* | 2.97 | 1.98–3.96 | < 0.001 | 0.17 | -1.04 to 1.38 | 0.78 |
Job control (increase of 2.16 pts)* | -2.75 | -3.74 to -1.75 | < 0.001 | -1.50 | -2.49 to -0.50 | 0.003 |
Job support (increase of 2.48 pts)* | -1.50 | -2.53 to -0.48 | 0.004 | 1.26 | 0.24–2.72 | 0.015 |
Demand for physical endurance (vs. seldom or never) | 8.74 | 6.86–10.63 | < 0.001 | 6.22 | 4.34–8.10 | < 0.001 |
Effort (increase of 4.53 pts)* | 3.05 | 2.06–4.04 | < 0.001 | 0.65 | -0.60 to 1.89 | 0.31 |
Reward cat.2 (vs. reward cat. 1) | 1.35 | -1.02 to 3.72 | 0.26 | |||
Reward cat. 3 (vs. reward cat. 1) | -2.75 | -5.06 to -0.43 | 0.02 | -3.08 | -5.22 to -0.94 | 0.005 |
Reward cat. 4 (vs. reward cat. 1) | -5.60 | -8.02 to -3.17 | < 0.001 | -4.56 | -7.06 to -2.06 | < 0.001 |
Overcommitment (increase of 3.76 pts)* | 3.43 | 2.46–4.41 | < 0.001 | 2.34 | 1.26–3.42 | < 0.001 |