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Published in: International Archives of Occupational and Environmental Health 2/2024

Open Access 04-01-2024 | Prostate Cancer | Review

Association between night work and prostate cancer: a systematic review and meta-analysis

Authors: Alexander Jahn, Mathilde Lumbye Nielsen, Marianne Kyndi, Annett Dalbøge

Published in: International Archives of Occupational and Environmental Health | Issue 2/2024

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Abstract

Objective

The aim was to conduct a systematic review and meta-analysis to study the association between night work and the development of prostate cancer.

Methods

A systematic literature search was conducted in CINAHL, Embase, MEDLINE, and Web of Science. Studies were included based on a PECOS; the population included men in/above the working age, exposure defined as night work, outcome defined as prostate cancer, and study design restricted to cohort studies. The exclusion of articles, risk-of-bias assessment, and data extraction were performed by two reviewers. A meta-analysis was conducted using a random-effects model, including a sensitivity analysis stratified based on the risk-of-bias assessment. We evaluated publication bias using a funnel plot and Egger´s test, and the level of evidence was assessed using GRADE.

Results

A total of 528 articles were identified, and eight cohort studies were included. Three studies had a moderate risk of bias, while five studies had a high risk of bias. The meta-analysis showed a pooled hazard ratio (HR) of 1.0 (95% CI 0.6–1.7). In the sensitivity analysis, moderate vs. high risk-of-bias studies showed a pooled HR of 1.2 (95% CI 0.3–4.1) and 0.9 (95% CI 0.6–1.3), respectively. Based on GRADE, the level of evidence was rated low.

Conclusion

We found no association between night work and the development of prostate cancer. The evidence was assessed as limited and inconsistent. Future studies encompassing consistent definitions of night work, including objective exposure data, are highly warranted.
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Metadata
Title
Association between night work and prostate cancer: a systematic review and meta-analysis
Authors
Alexander Jahn
Mathilde Lumbye Nielsen
Marianne Kyndi
Annett Dalbøge
Publication date
04-01-2024
Publisher
Springer Berlin Heidelberg
Published in
International Archives of Occupational and Environmental Health / Issue 2/2024
Print ISSN: 0340-0131
Electronic ISSN: 1432-1246
DOI
https://doi.org/10.1007/s00420-023-02037-9

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