Tea consumption and risk of cancer of the colon and rectum

James R Cerhan; Shannon D Putnam; Greg D Bianchi; Alexander S Parker; Charles F Lynch; Kenneth P Cantor

doi:10.1080/01635581.2001.9680609

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Tea consumption and risk of cancer of the colon and rectum

Journal article

Peer reviewed

Tea consumption and risk of cancer of the colon and rectum

James R Cerhan, Shannon D Putnam, Greg D Bianchi, Alexander S Parker, Charles F Lynch and Kenneth P Cantor

Nutrition and cancer, Vol.41(1-2), pp.33-40

2001

DOI: 10.1080/01635581.2001.9680609

PMID: 12094626

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Abstract

The association between tea consumption and risk of colon and rectal cancers was investigated in a population-based case-control study conducted in Iowa (United States). Colon (n = 685) and rectal (n = 655) cancer cases age 40-85 yr were identified through the Iowa Surveillance, Epidemiology, and End Results (SEER) Cancer Registry (86% response rate); controls (n = 2,434) were frequency matched by sex and 5-yr age group (80% response rate). The usual adult consumption of tea (hot and iced), along with other information including dietary data, was self-reported using a mailed questionnaire. Total tea consumption (cups/day) was categorized as none (reference category), low (< 3.1), medium (3.1-5.0), and high (> 5.0), with cut points for tea consumers based on the 75th and 90th percentiles of use among controls. Unconditional logistic regression was used to estimate the odds ratios (ORs) and 95% confidence intervals. There was no association between total tea consumption and colon cancer (ORs = 1.0, 1.1, 1.3, and 0.7) or rectal cancer (ORs = 1.0, 0.9, 1.4, and 1.0) after adjustment for age, sex, education, physical activity, smoking history, and intake of coffee, fiber, and fruits and vegetables. Results were similar when hot tea and iced tea were evaluated individually. Further adjustment for other colorectal cancer risk factors did not alter these results. There was no association with proximal or distal colon cancer. There was also no interaction between tea consumption and any of the dietary variables or total fluid on risk of colon or rectal cancer, with the exception of a suggestive positive association between an increasing frequency of tea consumption and colon cancer risk among current smokers (multivariate ORs = 1.0, 1.4, 2.0, and 1.8; P for trend = 0.1), but not among never smokers (multivariate ORs = 1.0, 1.0, 1.1, and 0.4; P for trend = 0.3). These data do not support an overall association, either positive or negative, between tea consumption and risk of colon or rectal cancer in this Mid-western US population.

Exercise

Registries

Tea

Vegetables

Water

Colonic Neoplasms - genetics

Body Weight

Humans

Middle Aged

Dietary Fiber - administration & dosage

Male

Rectal Neoplasms - epidemiology

Case-Control Studies

Rectal Neoplasms - genetics

Calcium, Dietary - administration & dosage

Adult

Female

Surveys and Questionnaires

Odds Ratio

Cold Temperature

Chlorine - administration & dosage

Fruit

Risk Factors

Colonic Neoplasms - epidemiology

Logistic Models

Hot Temperature

Iowa

Diet

Smoking - epidemiology

Aged

Details

Title: Subtitle: Tea consumption and risk of cancer of the colon and rectum
Creators: James R Cerhan - Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905, USA. cerhan.james@mayo.edu
Shannon D Putnam
Greg D Bianchi
Alexander S Parker - Mayo Clinic
Charles F Lynch
Kenneth P Cantor
Resource Type: Journal article
Publication Details: Nutrition and cancer, Vol.41(1-2), pp.33-40
DOI: 10.1080/01635581.2001.9680609
PMID: 12094626
NLM abbreviation: Nutr Cancer
ISSN: 0163-5581
eISSN: 1532-7914
Publisher: United States
Grant note: K07 CA-64220 / NCI NIH HHS N01-CP-51026 / NCI NIH HHS N01-CP-85614 / NCI NIH HHS
Language: English
Date published: 2001
Academic Unit: Epidemiology
Record Identifier: 9983996078002771

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