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Br J Cancer. 2010 Aug 24;103(5):747-56. doi: 10.1038/sj.bjc.6605802. Epub 2010 Jul 20.

Alcohol intake and risk of colorectal cancer: results from the UK Dietary Cohort Consortium.

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1
Department of Public Health and Primary Care, University of Cambridge, Cambridge CB1 8RN, UK.

Abstract

BACKGROUND:

Epidemiological studies have suggested that excessive alcohol intake increases colorectal cancer (CRC) risk. However, findings regarding tumour subsites and sex differences have been inconsistent.

METHODS:

We investigated the prospective associations between alcohol intake on overall and site- and sex-specific CRC risk. Analyses were conducted on 579 CRC cases and 1996 matched controls nested within the UK Dietary Cohort Consortium using standardised data obtained from food diaries as a main nutritional method and repeated using data from food frequency questionnaire (FFQ).

RESULTS:

Compared with individuals in the lightest category of drinkers (>0-<5 g per day), the multivariable odds ratios of CRC were 1.16 (95% confidence interval (95% CI): 0.88, 1.53) for non-drinkers, 0.91 (95% CI: 0.67, 1.24) for drinkers with 5-<15 g per day, 0.90 (95% CI: 0.65, 1.25) for drinkers with 15-<30 g per day, 1.02 (95% CI: 0.66, 1.58) for drinkers with 30-<45 g per day and 1.19 (95% CI: 0.75, 1.91) for drinkers with >or=45 g per day. No clear associations were observed between site-specific CRC risk and alcohol intake in either sex. Analyses using FFQ showed similar results.

CONCLUSION:

We found no significantly increased risk of CRC up to 30 g per day of alcohol intake within the UK Dietary Cohort Consortium.

PMID:
20648013
PMCID:
PMC2938250
DOI:
10.1038/sj.bjc.6605802
[Indexed for MEDLINE]
Free PMC Article
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