Table 2
Relation between psychosocial work factors and return to work at two (n = 128) and six (n = 122) months after carpal tunnel release surgery
| Variable | Two months | Six months | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ORc | 95% CI | p value <0.25* | ORa† | 95% CI | p value <0.05 | ORc | 95% CI | p value <0.25* | ORa‡ | 95% CI | p value <0.05 | |
| ORc, crude odds ratio; CI, confidence interval. | ||||||||||||
| *Exposures variables with p values higher than 0.25 in the crude models are not carried forward to the adjusted models. | ||||||||||||
| †Adjusted odds ratio for baseline work role functioning, depression and workers’ compensation claimant due to carpal tunnel syndrome (see text). | ||||||||||||
| ‡Adjusted odds ratio for baseline work role functioning, baseline self efficacy, improving in self efficacy, and organisational support (see text). | ||||||||||||
| §Psychological job demands and job control are also adjusted for each other in the adjusted models. | ||||||||||||
| Psychological job demands§ | ||||||||||||
| Low | 1 | 1 | ||||||||||
| High | 0.72 | 0.37–1.39 | 0.327 | 0.95 | 0.41–1.91 | 0.881 | ||||||
| Job control§ | ||||||||||||
| High | 1 | 1 | 1 | 1 | ||||||||
| Low | 0.55 | 0.28–1.07 | 0.079 | 1.87 | 0.76–4.58 | 0.174 | 0.24 | 0.12–0.50 | <0.005 | 0.64 | 0.23–1.75 | 0.381 |
| Karasek quadrants (I) | ||||||||||||
| Low strain | 1 | 1 | 1 | 1 | ||||||||
| Passive | 0.43 | 0.18–1.01 | 0.052 | 1.03 | 0.36–2.95 | 0.952 | 0.48 | 0.16–1.43 | 0.190 | 1.11 | 0.29–4.31 | 0.882 |
| Active | 0.57 | 0.25–1.29 | 0.079 | 0.22 | 0.09–0.59 | 0.003 | 2.36 | 0.81–6.88 | 0.115 | 1.03 | 0.27–3.93 | 0.966 |
| High strain | 0.45 | 0.16–1.31 | 0.143 | 0.93 | 0.26–3.32 | 0.909 | 0.26 | 0.10–0.64 | 0.003 | 0.35 | 0.09–1.49 | 0.148 |
| Job strain quotient | ||||||||||||
| 1st to 3rd quartile | 1 | 1 | 1 | |||||||||
| 4th quartile | 0.59 | 0.24–1.49 | 0.264 | 0.24 | 0.09–0.59 | 0.002 | 0.14 | 0.04–0.43 | 0.001 | |||
| Karasek quadrants (II) | ||||||||||||
| Passive | 1 | 1 | 1 | 1 | ||||||||
| Low strain | 2.35 | 0.99–5.58 | 0.052 | 0.97 | 0.34–2.77 | 0.952 | 2.07 | 0.70–6.10 | 0.190 | 0.90 | 0.23–3.51 | 0.882 |
| High strain | 1.06 | 0.35–3.24 | 0.913 | 0.90 | 0.23–3.55 | 0.888 | 0.53 | 0.17–1.64 | 0.274 | 0.32 | 0.86–1.17 | 0.084 |
| Active | 1.34 | 0.55–3.26 | 0.513 | 0.22 | 0.65–0.74 | 0.014 | 4.88 | 1.41–16.95 | 0.013 | 0.93 | 0.23–3.73 | 0.917 |
| Active learning quotient | ||||||||||||
| 1st to 3rd quartile | 1 | 1 | 1 | 1 | ||||||||
| 4th quartile | 1.70 | 0.79–3.66 | 0.177 | 0.64 | 0.26–1.53 | 0.313 | 3.84 | 1.42–10.36 | 0.008 | 0.93 | 0.27–3.26 | 0.915 |
