Occupational mechanical exposures as risk factor for chronic low-back pain: a systematic review and meta-analysis

OBJECTIVES: The association between occupational mechanical exposures and low-back pain (LBP) has been studied in several systematic reviews. However, no systematic review addressing chronic LBP exists. The aim of this systematic review and meta-analysis was to examine the association between occupa...

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Veröffentlicht in:Scandinavian journal of work, environment & health Jg. 49; H. 7; S. 453 - 465
Hauptverfasser: Jahn, Alexander, Andersen, Johan Hviid, Christiansen, David Høyrup, Seidler, Andreas, Dalbøge, Annett
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Finland Scandinavian Journal of Work, Environment & Health 01.10.2023
Nordic Association of Occupational Safety and Health (NOROSH)
Schlagworte:
Analysis
Back pain
Bias
Chronic back pain
Chronic illnesses
Chronic low back pain
Chronic Pain
chronicity
Confidence intervals
ergonomics
Exposure
High risk
Humans
Lifting
Lifting - adverse effects
Low back pain
Low Back Pain - epidemiology
Low Back Pain - etiology
mechanical exposure
Meta-analysis
musculoskeletal disorder
Occupational Diseases - epidemiology
Occupational Diseases - etiology
Occupational Exposure - adverse effects
occupational health
occupational mechanical exposure
Pain
physical workload
Population
Ratios
Risk
Risk assessment
Risk Factors
Sensitivity analysis
spine
Systematic review
Vibrations
Walking
ISSN:0355-3140, 1795-990X, 1795-990X
Online-Zugang:Volltext
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Zusammenfassung:OBJECTIVES: The association between occupational mechanical exposures and low-back pain (LBP) has been studied in several systematic reviews. However, no systematic review addressing chronic LBP exists. The aim of this systematic review and meta-analysis was to examine the association between occupational mechanical exposures and chronic LBP. METHODS: The study was registered in PROSPERO. We used an existing systematic review to identify articles published before January 2014. For studies published between January 2014 and September 2022, a systematic literature search was conducted in six databases. Two authors independently excluded articles, extracted data, and assessed risk of bias and level of evidence (GRADE). Meta-analyses were conducted using random-effects models comparing highest versus lowest exposure group with sensitivity analyses based on study quality (low/moderate versus high risk of bias), study design (cohort versus case–control), and outcome definition (non-specific LBP versus specific chronic LBP). RESULTS: Twenty-six articles were included. Highest pooled odd ratios (OR) were found for combined mechanical exposures [OR 2.2, 95% confidence interval (CI) 1.4–3.6], lifting/carrying loads (OR 1.7, 95% CI 1.4–2.2), and non-neutral postures (OR 1.5, 95% CI 1.2–1.9). For the remaining mechanical exposures (ie, whole-body vibrations, standing/walking, and sitting), OR ranged between 1.0 and 1.4. In the sensitivity analyses, generally, higher pooled OR were found in low/moderate risk of bias studies, case–control studies, and studies of specific chronic LBP. CONCLUSIONS: Moderate evidence of an association was found for lifting/carrying loads, non-neutral postures, and combined mechanical exposures. Low or very low evidence was found for whole-body vibrations, standing/walking, and sitting. Studies using standardized exposure definition, metric, and technical measurements are highly warranted.
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ISSN:0355-3140
1795-990X
1795-990X
DOI:10.5271/sjweh.4114