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Cited by 503Sleep and Work-Related FatigueCircadian rhythm and melatoninCancer Risks and Factors

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Increased Breast Cancer Risk among Women Who Work Predominantly at Night

Hansen, Johnni·2001·Epidemiology
DOI 10.1097/00001648-200101000-00013
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Abstract

Irregular working hours, including working at night, have serious psychological and physiological effects. In a nationwide population-based case-control study, we investigated the breast cancer risk among 30- to 54-year-old Danish women who worked predominantly at night. Individual employment histories were reconstructed back to 1964 for each of 7035 women with breast cancer and their individually matched controls from the records of a nationwide pension scheme with compulsory membership. Odds ratios, including 5 years of induction time and adjusted for socio-economic status, age at the birth of first and last child and number of children, were estimated by conditional logistic regression analysis. The odds ratio for breast cancer among women who worked at night at least half of a year was 1.5 (95% confidence interval, 1.2 to 1.7), and there was a tendency to increasing odds ratio by increasing duration of nighttime employment.

Overview

Integrity signals

Registry

Crossref · 10.1097/00001648-200101000-00013

Cites

47 of 47 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Verification

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Night-shift workers have a higher risk of developing cancer and poorer cancer prognosis.

    “Epidemiological studies have revealed that individuals who work night-shifts are at higher risk for developing cancer (Hansen, 2001; Kloog et al., 2009; Megdal et al., 2005; Schernhammer et al., 2006; Schernhammer et al., 2001; Viswanathan et al., 2007) or display poorer cancer prognosis (Lis et al., 2003).”

    From Circadian Rhythm Disruption Promotes Lung Tumorigenesis (2016) · cites this paper as Hansen, 2001

  • Observational studies consistently suggest positive associations of night shift work with cardiovascular disease and cancer risk.

    “Observational studies consistently suggest positive associations of night shift work and cardiovascular disease (CVD)2 and cancer risk.3-18”

    From Total and Cause-Specific Mortality of U.S. Nurses Working Rotating Night Shifts (2015) · cites this paper as [3]

Citations

Cites

Flagged first, then by citations

Research works printed but not linked: 6

  1. Kerenyi, 1990, Drug Metabol Drug Interact, 8, 313
  2. 1998, Copenhagen, 1-, 96
  3. Oksbjerg, 1997, Ugeskr Laeger, 159, 7134
  4. Shah, 1984, Cancer Res, 44, 3403
  5. Mhatre, 1984, J Natl Cancer Inst, 72, 1411
  6. Blask, 1997, Cancer Res, 57, 1909

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Related

Metadata

Authors
Hansen, J.
Affiliations
Danish Cancer Society (DK)
Corresponding author
Hansen, Johnni
Venue
Epidemiology
Publisher
Ovid Technologies (Wolters Kluwer Health)
Published
2001-01
Volume
12
Issue
1
Pages
74-77
ISSN
1044-3983 (ISSN-L)
DOI
10.1097/00001648-200101000-00013
OpenAlex
W1973507159
Cited by
503
References
47
Citations by year
2026: 2 · 2025: 7 · 2024: 7 · 2023: 14 · 2022: 9 · 2021: 14 · 2020: 23 · 2019: 19 · 2018: 24 · 2017: 24 · 2016: 20 · 2015: 26 · 2014: 22 · 2013: 29 · 2012: 31
FWCI
23.49
Type
journal article
Language
en
Open access
closed
Locations
  • Epidemiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Oncology › Cancer Risks and Factors
Keywords
breast cancer, night work, shift work, irregular working hours, occupational risk factors, women
MeSH terms
Adult, Breast Neoplasms, Circadian Rhythm, Denmark, Employment, Female, Humans, Middle Aged, Personnel Staffing and Scheduling, Risk Factors, Work Schedule Tolerance, Odds Ratio, Case-Control Studies

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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

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