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Night Shift Work—A Risk Factor for Breast Cancer

Author

Listed:
  • Marta Szkiela

    (Department of Hygiene and Epidemiology, Department of Hygiene and Health Promotion; Faculty of Health Sciences, Medical University of Lodz, 90-647 Łódź, Poland)

  • Ewa Kusideł

    (Department of Spatial Econometrics, Faculty of Economics and Sociology, University of Lodz, 90-255 Łódź, Poland)

  • Teresa Makowiec-Dąbrowska

    (Department of Work Physiology and Ergonomics, Nofer Institute of Occupational Medicine in Łódź, 91-348 Łódź, Poland)

  • Dorota Kaleta

    (Department of Hygiene and Epidemiology, Department of Hygiene and Health Promotion; Faculty of Health Sciences, Medical University of Lodz, 90-647 Łódź, Poland)

Abstract

Shift work is considered a risk factor for some health problems. This study aimed to determine whether night shift work is a significant factor for breast cancer risk. The case–control study was conducted from 2015–2019 in the Łódź region. The case group included 494 women diagnosed with malignant breast cancer; the control group included 515 healthy women. The research tool was an anonymous questionnaire. In the case group, the percentage of women working shift work was 51.9%, whereas in the control group, it was 34.1% (OR = 2.08 (95% CI: 1.61; 2.69)). A more insightful examination of shift work showed that only night work has a significant impact on breast cancer (OR = 2.61 (95% CI: 1.94; 3.53)). Even after considering the effect of other possible cancer factors (like high BMI, smoking, early menstruation, late menopause, pregnancy history, age, place of living, education), the odds of developing cancer were twice as high in the group of shift workers (OR = 2.20 (95% CI: 1.57; 3.08)). Considering a significantly higher risk of cancer among people working at night and a high percentage of such employees in Poland, the government should consider special action in the prophylactic treatment of cancers.

Suggested Citation

  • Marta Szkiela & Ewa Kusideł & Teresa Makowiec-Dąbrowska & Dorota Kaleta, 2020. "Night Shift Work—A Risk Factor for Breast Cancer," IJERPH, MDPI, vol. 17(2), pages 1-12, January.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:2:p:659-:d:310865
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    Citations

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    Cited by:

    1. Marta Szkiela & Ewa Kusideł & Teresa Makowiec-Dąbrowska & Dorota Kaleta, 2021. "How the Intensity of Night Shift Work Affects Breast Cancer Risk," IJERPH, MDPI, vol. 18(9), pages 1-12, April.
    2. Małgorzata Radowicka & Anna Madej & Bronisława Pietrzak & Mirosław Wielgoś, 2021. "Assessment of the Thyroid Functions among Female Flight Attendants," IJERPH, MDPI, vol. 18(4), pages 1-8, February.
    3. Łukasz Baka & Dawid Ścigała & Łukasz Kapica & Andrzej Najmiec & Krzysztof Grala, 2021. "How Is Work Ability Shaped in Groups of Shift and Non-Shift Workers? A Comprehensive Approach to Job Resources and Mediation Role of Emotions at Work," IJERPH, MDPI, vol. 18(15), pages 1-19, July.
    4. Rahman Khan & Jean-Pierre Neveu & Ghulam Murtaza & Kashif Ullah Khan, 2022. "Impact of Psychological Resources on Employee Engagement: The Mediating Role of Positive Affect and Ego-Resilience," SAGE Open, , vol. 12(2), pages 21582440221, May.
    5. Deborah J. Bowen & Kelly E. Rentscher & Amy Wu & Gwen Darien & Helen Ghirmai Haile & Jeanne Mandelblatt & Marion Kavanaugh-Lynch, 2021. "Learning from and Leveraging Multi-Level Changes in Responses to the COVID 19 Pandemic to Facilitate Breast Cancer Prevention Efforts," IJERPH, MDPI, vol. 18(13), pages 1-12, June.

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