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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2006-5-23
pubmed:abstractText
Folate has important roles in DNA synthesis, repair, and methylation and is inversely associated with the risk of some cancers. The authors examined this association among 65,836 men in the American Cancer Society Cancer Prevention Study II Nutrition Cohort. During 9 years of follow-up, 5,158 men were diagnosed with prostate cancer. Folate intakes were estimated from the questionnaire administered at enrollment in 1992-1993, and Cox proportional hazards models were used to calculate hazard rate ratios adjusted for potential confounders. Neither dietary nor total folate intake was associated with prostate cancer overall. However, higher folate levels were associated with a nonsignificant decreased risk of advanced prostate cancer (multivariate rate ratio=0.78, 95% confidence interval: 0.53, 1.15 for the highest vs. lowest quintiles of dietary folate and rate ratio=0.79, 95% confidence interval: 0.54, 1.17 for the highest vs. lowest quintile of total folate). The association was similar for quintiles 2-5, suggesting that only a small increase in folate intake was needed to alter the risk of advanced prostate cancer. Because the statistical power of the analysis with advanced prostate cancer was limited by the low number of cases, further study is needed to establish this association.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0002-9262
pubmed:author
pubmed:issnType
Print
pubmed:day
1
pubmed:volume
163
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
989-96
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Folate nutrition and prostate cancer incidence in a large cohort of US men.
pubmed:affiliation
Department of Epidemiology and Surveillance Research, American Cancer Society, Atlanta, GA 30329, USA. Victoria.Stevens@cancer.org
pubmed:publicationType
Journal Article