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- W2084355655 abstract "ObjectivePrior studies have suggested that paternity may be associated with reduced prostate cancer (PCa) risk. Interpretation of these studies has been difficult given that none have considered potential confounding by other risk factors for PCa such as PSA screening, race, and family history of cancer. We sought to determine the independent association of fatherhood with PCa.DesignPopulation-based case-control study.Materials and methodsParticipants from two population-based case-control studies of PCa were studied. Incident cases of PCa in King County, WA were identified from the SEER cancer registry. Controls were frequency matched by age and identified by random digit dialing. Number of children fathered was determined by self-report. A history of clinical infertility was queried among a subset of study participants. PCa risk associated with fatherhood and infertility was assessed with multivariate logistic regression.ResultsData from 1,645 cases of PCa and 1,754 controls were analyzed. There was no substantial difference in the proportion of cases and controls who reported never fathering a child (12.9% and 14.3%, respectively, P=0.34). Age-adjusted analyses showed that compared to those with zero or one child, men who fathered two or more children had a non-significant 13% reduction in prostate cancer risk (adjusted OR 0.87, 95% CI 0.74-1.02; P=0.09). Men who reported a history of infertility had a non-significant increase in PCa risk relative to those who did not (adjusted OR 1.29, 95% CI 0.96 – 1.73; P=0.1). Further adjustment for PSA screening, family history of PCa, marital status and vasectomy status did not significantly change risk estimates.ConclusionFathering two or more children was associated with a modest reduction in the relative risk of PCa, while a history of clinical infertility was associated with an increased relative risk of PCa in this population-based study. Further study of the association between paternity, male infertility and subsequent risk of prostate cancer is warranted. ObjectivePrior studies have suggested that paternity may be associated with reduced prostate cancer (PCa) risk. Interpretation of these studies has been difficult given that none have considered potential confounding by other risk factors for PCa such as PSA screening, race, and family history of cancer. We sought to determine the independent association of fatherhood with PCa. Prior studies have suggested that paternity may be associated with reduced prostate cancer (PCa) risk. Interpretation of these studies has been difficult given that none have considered potential confounding by other risk factors for PCa such as PSA screening, race, and family history of cancer. We sought to determine the independent association of fatherhood with PCa. DesignPopulation-based case-control study. Population-based case-control study. Materials and methodsParticipants from two population-based case-control studies of PCa were studied. Incident cases of PCa in King County, WA were identified from the SEER cancer registry. Controls were frequency matched by age and identified by random digit dialing. Number of children fathered was determined by self-report. A history of clinical infertility was queried among a subset of study participants. PCa risk associated with fatherhood and infertility was assessed with multivariate logistic regression. Participants from two population-based case-control studies of PCa were studied. Incident cases of PCa in King County, WA were identified from the SEER cancer registry. Controls were frequency matched by age and identified by random digit dialing. Number of children fathered was determined by self-report. A history of clinical infertility was queried among a subset of study participants. PCa risk associated with fatherhood and infertility was assessed with multivariate logistic regression. ResultsData from 1,645 cases of PCa and 1,754 controls were analyzed. There was no substantial difference in the proportion of cases and controls who reported never fathering a child (12.9% and 14.3%, respectively, P=0.34). Age-adjusted analyses showed that compared to those with zero or one child, men who fathered two or more children had a non-significant 13% reduction in prostate cancer risk (adjusted OR 0.87, 95% CI 0.74-1.02; P=0.09). Men who reported a history of infertility had a non-significant increase in PCa risk relative to those who did not (adjusted OR 1.29, 95% CI 0.96 – 1.73; P=0.1). Further adjustment for PSA screening, family history of PCa, marital status and vasectomy status did not significantly change risk estimates. Data from 1,645 cases of PCa and 1,754 controls were analyzed. There was no substantial difference in the proportion of cases and controls who reported never fathering a child (12.9% and 14.3%, respectively, P=0.34). Age-adjusted analyses showed that compared to those with zero or one child, men who fathered two or more children had a non-significant 13% reduction in prostate cancer risk (adjusted OR 0.87, 95% CI 0.74-1.02; P=0.09). Men who reported a history of infertility had a non-significant increase in PCa risk relative to those who did not (adjusted OR 1.29, 95% CI 0.96 – 1.73; P=0.1). Further adjustment for PSA screening, family history of PCa, marital status and vasectomy status did not significantly change risk estimates. ConclusionFathering two or more children was associated with a modest reduction in the relative risk of PCa, while a history of clinical infertility was associated with an increased relative risk of PCa in this population-based study. Further study of the association between paternity, male infertility and subsequent risk of prostate cancer is warranted. Fathering two or more children was associated with a modest reduction in the relative risk of PCa, while a history of clinical infertility was associated with an increased relative risk of PCa in this population-based study. Further study of the association between paternity, male infertility and subsequent risk of prostate cancer is warranted." @default.
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- W2084355655 date "2012-09-01" @default.
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- W2084355655 title "Fatherhood and prostate cancer risk in a population-based case-control study" @default.
- W2084355655 doi "https://doi.org/10.1016/j.fertnstert.2012.07.546" @default.
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