Reproductive Factors in Relation to Incidence of Lung and Colorectal Cancers in a Cohort of Norwegian Women: The HUNT Study.

HUNT colorectal cancer lung cancer menarche prospective cohort reproductive factors

Journal

Journal of the Endocrine Society
ISSN: 2472-1972
Titre abrégé: J Endocr Soc
Pays: United States
ID NLM: 101697997

Informations de publication

Date de publication:
17 Nov 2022
Historique:
received: 03 10 2022
entrez: 5 12 2022
pubmed: 6 12 2022
medline: 6 12 2022
Statut: epublish

Résumé

The roles of reproductive factors in the etiology of lung and colorectal cancers, among the most common cancers in women, are unclear. We aimed to explore whether female reproductive factors were associated with the incidence of lung and colorectal cancers. We followed up 33 314 cancer-free women who participated in the HUNT Study in Norway from 1995-1997 to 2018. A large panel of reproductive factors were self-reported at baseline. Incident lung and colorectal cancer cases were ascertained from the Cancer Registry of Norway. Cox regression models were used to estimate hazard ratios (HRs) with 95% CIs after adjustment for important confounders. During a median follow-up interval of 22.2 years, 467 women developed lung cancer (including 169 lung adenocarcinoma), 660 developed colon cancer, and 211 had rectal cancer. Early menarche (≤12 years) was associated with an increased incidence of lung adenocarcinoma (HR 1.43; 95% CI, 1.02-2.03). Women with one or no child had an increased colon cancer incidence (HR 1.26; 95% CI, 1.03-1.54). Hormone therapy appeared to be associated with a decreased incidence of rectal cancer (HR 0.68; 95% CI, 0.44-1.04). Results in the subgroup of postmenopausal women were similar or strengthened. Other reproductive factors were not related to the risk of lung, colon, and rectal cancers. Certain reproductive factors might play a role in the etiology of lung and colorectal cancers. Further investigations are warranted to study if they are causal associations.

Identifiants

pubmed: 36466004
doi: 10.1210/jendso/bvac175
pii: bvac175
pmc: PMC9710734
doi:

Types de publication

Journal Article

Langues

eng

Pagination

bvac175

Informations de copyright

© The Author(s) 2022. Published by Oxford University Press on behalf of the Endocrine Society.

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Auteurs

Marion Denos (M)

Department of Public Health and Nursing, Norwegian University of Science and Technology, 7030 Trondheim, Norway.

Yi-Qian Sun (YQ)

Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7030 Trondheim, Norway.
Department of Pathology, Clinic of Laboratory Medicine, St. Olavs Hospital, 7030 Trondheim, Norway.
Center for Oral Health Services and Research Mid-Norway (TkMidt), 7030 Trondheim, Norway.

Ben Michael Brumpton (BM)

Department Clinic of Medicine, St. Olavs Hospital, Trondheim University Hospital, 7030 Trondheim, Norway.
Department of Public Health and Nursing, K.G. Jebsen Centre for Genetic Epidemiology, Norwegian University of Science and Technology, 7030 Trondheim, Norway.

Arnulf Langhammer (A)

Department of Public Health and Nursing, HUNT Research Centre, Norwegian University of Science and Technology, 7600 Levanger, Norway.
Department of Levanger Hospital, Nord-Trøndelag Hospital Trust, 7600 Levanger, Norway.

Yue Chen (Y)

Faculty of Medicine, School of Epidemiology and Public Health, University of Ottawa, ON K1G 5Z3 Ottawa, Canada.

Xiao-Mei Mai (XM)

Department of Public Health and Nursing, Norwegian University of Science and Technology, 7030 Trondheim, Norway.

Classifications MeSH