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Published in: European Spine Journal 7/2019

01-07-2019 | Affective Disorder | Original Article

Association of perceived physical overload at work with pain and disability in patients with chronic non-specific low back pain: a 6-month longitudinal study

Authors: Samantha J. Demarchi, Crystian B. Oliveira, Marcia R. Franco, Priscila K. Morelhão, Thalysi M. Hisamatsu, Fernanda G. Silva, Tatiana M. Damato, Rafael Z. Pinto

Published in: European Spine Journal | Issue 7/2019

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Abstract

Background

Physical overload at work has been described as a risk factor for the development of low back pain. However, few studies have investigated the prognostic value of perceived physical overload at work in patients with chronic low back pain.

Objective

To investigate the association of perceived physical overload at work with pain and disability over a period of 6 months in patients with chronic non-specific low back pain.

Methods

Patients with chronic LBP seeking physiotherapy care were considered eligible. Clinical data collected were: pain intensity, disability, fear of movement, depression and perceived physical overload at work. Linear regression analyses were used to investigate the association of perceived physical workload at work at baseline with pain intensity and disability at 6-month follow-up. The total score and the score for each category of the physical overload at work questionnaire were analyzed separately.

Results

Ninety-two patients with chronic low back pain were included in the analysis. The subcategories of the physical overload questionnaire were not significantly associated with pain intensity at 6-month follow-up. However, age, disability at baseline and perceived physical overload related to postures of the trunk (B = −0.60 95% CI − 1.18 to − 0.02) and related to positions of the arms (B = 2.72 95% CI 0.07 to 5.37) were significantly associated with disability at 6-month follow-up.

Conclusion

Although perceived physical overload at work was not associated with pain intensity in patients with chronic LBP at 6-month follow-up, we identified a significant association between perceived physical overload related to postures of the trunk and positions of the arms with disability at 6-month follow-up.

Graphical abstract

These slides can be retrieved under Electronic Supplementary Material.
Appendix
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Metadata
Title
Association of perceived physical overload at work with pain and disability in patients with chronic non-specific low back pain: a 6-month longitudinal study
Authors
Samantha J. Demarchi
Crystian B. Oliveira
Marcia R. Franco
Priscila K. Morelhão
Thalysi M. Hisamatsu
Fernanda G. Silva
Tatiana M. Damato
Rafael Z. Pinto
Publication date
01-07-2019
Publisher
Springer Berlin Heidelberg
Published in
European Spine Journal / Issue 7/2019
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI
https://doi.org/10.1007/s00586-019-05986-3

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