ArticleEpidemiology (Cambridge, Mass.)2008
Effects of birth order and maternal age on breast cancer risk: modification by whether women had been breast-fed.
Article in Epidemiology (Cambridge, Mass.), 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Adult cancer risk in women who were breastfed as infants: large UK prospective study.European journal of epidemiology · 2019Article
- Emerging Trends in Family History of Breast Cancer and Associated Risk.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2017Article
- Variation in Breast Cancer-Risk Factor Associations by Method of Detection: Results From a Series of Case-Control Studies.American journal of epidemiology · 2015Article
- Childhood socioeconomic factors and perinatal characteristics influence development of rheumatoid arthritis in adulthood.Annals of the rheumatic diseases · 2013Article
- Using propensity scores to reduce case-control selection bias.Epidemiology (Cambridge, Mass.) · 2012Article
- Selection bias in population-based cancer case-control studies due to incomplete sampling frame coverage.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2012Article
- Article
- Prenatal and postnatal energetic conditions and sex steroids levels across the first year of life.American journal of human biology : the official journal of the Human Biology CouncilArticle
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6 authors.
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Abstract
backgroundEarly life risk factors for breast cancer have been investigated in relation to hormonal, nutritional, infectious, and genetic hypotheses. Recent studies have also considered potential health effects associated with exposure to environmental contaminants in breastmilk.
methodsWe analyzed data from a population-based case-control study of women living in Wisconsin. Cases (n = 2016) had an incident diagnosis of invasive breast cancer in 2002-2006 reported to the statewide tumor registry. Controls (n = 1960) of similar ages were randomly selected from driver's license lists. Risk-factor information was collected during structured telephone interviews. Odds ratios (ORs) and 95% confidence intervals (CIs) were estimated from multivariable logistic regression.
resultsIn multivariable models, maternal age and birth order were not associated with breast cancer risk in the full study population. The odds ratio for breast cancer risk associated with having been breast-fed in infancy was 0.83 (95% CI = 0.72-0.96). In analyses restricted to breast-fed women, maternal age associations with breast cancer were null (P = 0.2). Increasing maternal age was negatively associated with breast cancer risk among women who were not breast-fed; the odds ratio for breast cancer associated with each 5-year increase in maternal age was 0.90 (0.82-1.00). Higher birth order was inversely associated with breast cancer risk among breast-fed women (for women with 3 or more older siblings compared with first-born women, OR = 0.58 [CI = 0.39-0.86]) but not among nonbreast-fed women (1.13 [0.81-1.57]).
conclusionThese findings suggest that early life risk factor associations for breast cancer may differ according to breast-feeding status in infancy.
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