Association between fixed night work and obesity: a systematic literature review

Aims: The objetive of this systematic review was to evaluate the association between fixed night work and overweight or weight gain. Methods: PubMed and EMBASE were searched until October 2021 for studies that evaluated the association among fixed night work patterns and the risk of overweight or ob...

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Veröffentlicht in:Clinical and Biomedical Research 2023-03, Vol.42 (4)
Hauptverfasser: Dantas Filho, Fábio Fernandes, Beretta, Mileni Vanti, Brum, Maria Carlota Borba, Rodrigues, Ticiana da Costa
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Sprache:eng
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Zusammenfassung:Aims: The objetive of this systematic review was to evaluate the association between fixed night work and overweight or weight gain. Methods: PubMed and EMBASE were searched until October 2021 for studies that evaluated the association among fixed night work patterns and the risk of overweight or obesity (for cross-sectional designs) or weight gain (for longitudinal designs). The outcomes extracted were mean body mass index (BMI), mean BMI difference, % overweight, % obesity, odds ratio, relative risk, and prevalence ratio. The quality of the report was evaluated using the The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) checklist. The protocol was registered on PROSPERO (# 42017080515). Results: Twenty-six studies met the inclusion criteria. All studies were observational in design, 16 were cross-sectional, three were cohorts (two also had baseline cross-sectional data), and the other eight were cross-sectional at baseline and had longitudinal follow-up studies (6 prospective cohorts, 1 retrospective, 1 interventional). Most had good reporting quality. The fixed night work definition and weight outcomes varied according to the different studies. Most of them found an associtation between fixed night work and overweight, obesity, or weight gain. Conclusions: This systematic review reinforces the evidence that fixed night work is associated with being overweight or obese, and prolonged night work exposure leads to weight gain. Future research should be conducted with more accurate measures and a prospective design. Fixed night workers should be monitored and advised, specially those with prolonged exposure.   
ISSN:2357-9730
2357-9730
DOI:10.22491/2357-9730.123719