Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort study

Purpose The purpose of this study was to explore the association between breastfeeding and the prevalence of breast, thyroid, and cervical cancer among Korean adult women. Methods The study was a secondary analysis of data from the Korea Genome and Epidemiology Study. The final samples were 113,944...

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Main Authors: Eunju Jin, Hyunju Kang, Mia Son
Format: Article
Language:English
Published: Korean Society of Women Health Nursing 2021-12-01
Series:Korean Journal of Women Health Nursing
Subjects:
Online Access:http://www.kjwhn.org/upload/pdf/kjwhn-2021-11-29.pdf
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author Eunju Jin
Hyunju Kang
Mia Son
author_facet Eunju Jin
Hyunju Kang
Mia Son
author_sort Eunju Jin
collection DOAJ
description Purpose The purpose of this study was to explore the association between breastfeeding and the prevalence of breast, thyroid, and cervical cancer among Korean adult women. Methods The study was a secondary analysis of data from the Korea Genome and Epidemiology Study. The final samples were 113,944 Korean women among 173,205 urban-based cohort participants collected between 2004 and 2013 for adults aged forty and over. To determine the association between female cancers and breastfeeding experience, the number of childbirth, and total breastfeeding duration, logistic regression analysis was done. The demographic characteristics, health behavior, and female history were adjusted. Results The prevalence of breast cancer was 1.37 times higher in the non-breastfeeding group than in the breastfeeding group. Compared to having breastfed for more than 36 months, the prevalence of thyroid cancer was 1.68 times higher at breastfeeding for 13 to 36 months, 1.67 times higher at breastfeeding for 6 to 12 months, and 2.06 times higher at breastfeeding less than 6 months. Also, the prevalence of cervical cancer was 1.54 times higher at breastfeeding for 13 to 36 months, compared to breastfeeding for more than 36 months. Conclusion This study found that breastfeeding experience and a longer breastfeeding duration are associated with reduced risk of breast, thyroid, and cervical cancer in Korean women. It can be used as a basis for encouraging breastfeeding, and suggests further research on modifiable factors that reduce cancer risks.
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spelling doaj.art-3d512cf8b63a47378673b79f104cf3632022-12-22T01:39:07ZengKorean Society of Women Health NursingKorean Journal of Women Health Nursing2287-16402093-76952021-12-0127436837810.4069/kjwhn.2021.11.29937Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort studyEunju Jin0Hyunju Kang1Mia Son2 Department of Nursing, Graduate School, Kangwon National University, Chuncheon, Korea College of Nursing, Kangwon National University, Chuncheon, Korea College of Medicine, Kangwon National University, Chuncheon, KoreaPurpose The purpose of this study was to explore the association between breastfeeding and the prevalence of breast, thyroid, and cervical cancer among Korean adult women. Methods The study was a secondary analysis of data from the Korea Genome and Epidemiology Study. The final samples were 113,944 Korean women among 173,205 urban-based cohort participants collected between 2004 and 2013 for adults aged forty and over. To determine the association between female cancers and breastfeeding experience, the number of childbirth, and total breastfeeding duration, logistic regression analysis was done. The demographic characteristics, health behavior, and female history were adjusted. Results The prevalence of breast cancer was 1.37 times higher in the non-breastfeeding group than in the breastfeeding group. Compared to having breastfed for more than 36 months, the prevalence of thyroid cancer was 1.68 times higher at breastfeeding for 13 to 36 months, 1.67 times higher at breastfeeding for 6 to 12 months, and 2.06 times higher at breastfeeding less than 6 months. Also, the prevalence of cervical cancer was 1.54 times higher at breastfeeding for 13 to 36 months, compared to breastfeeding for more than 36 months. Conclusion This study found that breastfeeding experience and a longer breastfeeding duration are associated with reduced risk of breast, thyroid, and cervical cancer in Korean women. It can be used as a basis for encouraging breastfeeding, and suggests further research on modifiable factors that reduce cancer risks.http://www.kjwhn.org/upload/pdf/kjwhn-2021-11-29.pdfbreast feedingbreast neoplasmsthyroid neoplasmsuterine cervical neoplasms
spellingShingle Eunju Jin
Hyunju Kang
Mia Son
Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort study
Korean Journal of Women Health Nursing
breast feeding
breast neoplasms
thyroid neoplasms
uterine cervical neoplasms
title Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort study
title_full Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort study
title_fullStr Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort study
title_full_unstemmed Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort study
title_short Association between breastfeeding and breast, thyroid, and cervical cancer among Korean adult women based on the Korean Genome and Epidemiology Study: a cohort study
title_sort association between breastfeeding and breast thyroid and cervical cancer among korean adult women based on the korean genome and epidemiology study a cohort study
topic breast feeding
breast neoplasms
thyroid neoplasms
uterine cervical neoplasms
url http://www.kjwhn.org/upload/pdf/kjwhn-2021-11-29.pdf
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