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Article

Night Shift Work, Chronotype, Sleep Duration, and Prostate Cancer Risk: CAPLIFE Study

1
Universidad de Granada, Departamento de Medicina Preventiva y Salud Pública, 18016 Granada, Spain
2
Instituto de Investigación Biosanitaria (ibs.GRANADA), 18014 Granada, Spain
3
Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
4
Góngora Primary Health Care Centre, Distrito Sanitario Granada-Metropolitano, 18006 Granada, Spain
5
Urology Department, Virgen de las Nieves University Hospital, 18014 Granada, Spain
6
Urology Department, San Cecilio University Hospital, 18016 Granada, Spain
7
Andalusian School of Public Health (EASP), 18011 Granada, Spain
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(17), 6300; https://doi.org/10.3390/ijerph17176300
Received: 22 July 2020 / Revised: 24 August 2020 / Accepted: 26 August 2020 / Published: 29 August 2020
(This article belongs to the Special Issue Health Effects and Management of Shift Work)
To analyze the association between prostate cancer (PCa) risk and night shift work, chronotype, and sleep duration in the context of a population-based case-control study of incident prostate cancer in Spain, a total of 465 PCa cases and 410 controls were analyzed. Selection criteria were: (i) age 40–80 years, and (ii) residence in the coverage area of the reference hospitals for ≥6 months before recruitment. Exposure variables were: (i) night shift work (permanent or rotating); (ii) chronotype: morning, neither, or evening (Munich ChronoType Questionnaire) and (iii) sleep duration according to the recommendations of the American National Sleep Foundation. PCa aggressiveness was determined according to the International Society of Urology Pathology classification. Adjusted odds ratios (aOR) and 95% confidence intervals (95% CI) were estimated using logistic regression models. Night shift work was associated with PCa, aOR = 1.47 (95% CI 1.02–2.11), especially for rotating night shifts, aOR = 1.73 (95% CI 1.09–2.75). The magnitude of the association between ever night work and PCa was higher in evening subjects with aOR = 3.14 (95% CI 0.91–10.76) than in morning chronotypes with an aOR = 1.25 (95% CI 0.78–2.00). Working night shifts, especially rotating night shifts, could increase PCa risk. This risk may be higher in people with an evening chronotype. View Full-Text
Keywords: prostatic neoplasms; sleep; shift work schedule; circadian rhythm; case-control studies; CAPLIFE study prostatic neoplasms; sleep; shift work schedule; circadian rhythm; case-control studies; CAPLIFE study
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MDPI and ACS Style

Lozano-Lorca, M.; Olmedo-Requena, R.; Vega-Galindo, M.-V.; Vázquez-Alonso, F.; Jiménez-Pacheco, A.; Salcedo-Bellido, I.; Sánchez, M.-J.; Jiménez-Moleón, J.-J. Night Shift Work, Chronotype, Sleep Duration, and Prostate Cancer Risk: CAPLIFE Study. Int. J. Environ. Res. Public Health 2020, 17, 6300. https://doi.org/10.3390/ijerph17176300

AMA Style

Lozano-Lorca M, Olmedo-Requena R, Vega-Galindo M-V, Vázquez-Alonso F, Jiménez-Pacheco A, Salcedo-Bellido I, Sánchez M-J, Jiménez-Moleón J-J. Night Shift Work, Chronotype, Sleep Duration, and Prostate Cancer Risk: CAPLIFE Study. International Journal of Environmental Research and Public Health. 2020; 17(17):6300. https://doi.org/10.3390/ijerph17176300

Chicago/Turabian Style

Lozano-Lorca, Macarena, Rocío Olmedo-Requena, María-Victoria Vega-Galindo, Fernando Vázquez-Alonso, Antonio Jiménez-Pacheco, Inmaculada Salcedo-Bellido, María-José Sánchez, and José-Juan Jiménez-Moleón. 2020. "Night Shift Work, Chronotype, Sleep Duration, and Prostate Cancer Risk: CAPLIFE Study" International Journal of Environmental Research and Public Health 17, no. 17: 6300. https://doi.org/10.3390/ijerph17176300

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