Mechanisms for reducing low back pain: a mediation analysis of a multifaceted intervention in workers in elderly care

International Archives of Occupational and Environmental Health
Matthew L StevensCharlotte Diana Nørregaard Rasmussen

Abstract

A multifaceted workplace intervention consisting of participatory ergonomics, physical training, and cognitive-behavioural training (CBT) has shown effectiveness for reducing low back pain (LBP). However, the mechanisms of action underlying these intervention components are not well understood. This was a mediation analysis of a cluster-randomised controlled trial of a multifaceted intervention in 420 workers in elderly care. Mediation analysis was carried out via structural equation modelling. Potential mediators investigated were: fear-avoidance beliefs, perceived muscle strength, use of assistive devices at work and perceived physical exertion at work. LBP outcomes assessed were: days with LBP, LBP intensity and days with bothersome LBP. There were no significant indirect effects of the intervention on LBP outcomes. There were significant effects of the intervention on both fear-avoidance measures [β = - 0.63, 95% CI (1.23, 0.03); β = - 1.03, 95% CI (- 1.70, - 0.34)] and the use of assistive devices [β = - 0.55, 95% CI (- 1.04, - 0.05)], but not on perceived muscle strength [β = - 0.18, 95% CI (- 0.50, 0.13)] or physical exertion [β = - 0.05, 95% CI (- 0.40, 0.31)]. The only potential mediator with a significant effect on LB...Continue Reading

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Citations

Jan 18, 2020·American Journal of Health Promotion : AJHP·Konstantina KaratrantouYiannis Theodorakis
May 1, 2021·Preventive Medicine·Ann-Kathrin OttoBettina Wollesen
Dec 1, 2021·International Archives of Occupational and Environmental Health·Matin RostamiHossein Modarresifar

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