The prognostic value of depressive symptoms, fear-avoidance, and self-efficacy for duration of lost-time benefits in workers with musculoskeletal disorders.

Occupational and Environmental Medicine
F LöttersJ D Pole

Abstract

The psychological factors of depressive symptoms, fear-avoidance, and self-efficacy are deemed to be important in the work disability process. However, the prognostic value of these factors for time on benefit is not well understood. To analyse the prognostic value of psychological factors for the number of days on total compensation benefit over a 12 month period. In a longitudinal study of 187 workers receiving total compensation benefits due to musculoskeletal disorders, the prognostic value of psychological factors measured 4-5 weeks post-injury for duration on total compensation benefit over 12 months was analysed. Cox proportional hazard regression analyses were conducted. Special emphasis was given to variable selection and to the analysis of confounding effects of potential prognostic variables. The final model indicated that increased depressive symptoms and poorer physical health significantly increase the number of days on total benefit. Confounders included in the final model were pain and fear of income loss. In the final model the impact of fear-avoidance ceased to be significant when work related variables were included in the fully adjusted model. This illustrates that interrelationships between variables must b...Continue Reading

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Citations

May 4, 2006·Journal of Occupational Rehabilitation·Michael J L SullivanWilliam D Stanish
Jan 25, 2007·Journal of Occupational Rehabilitation·Joy C MacDermidRobert McMurtry
Jul 15, 2009·Journal of Occupational Rehabilitation·Bryan D Stice, Bryan J Dik
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