Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/113441
Title: Dietary intake of fiber and decreased risk of cancers of the colon and rectum: Evidence from the combined analysis of 13 case-control studies
Authors: Howe, G.R.
Benito, E.
Castelleto, R.
Cornée, J.
Estève, J.
Gallagher, R.P.
Iscovich, J.M.
Jiao, D.
Kaaks, R.
Kune, G.A.
Kune, S.
L'Abbé, K.A.
Lee, H.P. 
Lee, M.
Miller, A.B.
Peters, R.K.
Potter, J.D.
Riboli, E.
Slattery, M.L.
Trichopoulos, D.
Tuyns, A.
Tzonou, A.
Whittemore, A.S.
Wu-Williams, A.H.
Zheng, S.
Issue Date: 16-Dec-1992
Citation: Howe, G.R.,Benito, E.,Castelleto, R.,Cornée, J.,Estève, J.,Gallagher, R.P.,Iscovich, J.M.,Jiao, D.,Kaaks, R.,Kune, G.A.,Kune, S.,L'Abbé, K.A.,Lee, H.P.,Lee, M.,Miller, A.B.,Peters, R.K.,Potter, J.D.,Riboli, E.,Slattery, M.L.,Trichopoulos, D.,Tuyns, A.,Tzonou, A.,Whittemore, A.S.,Wu-Williams, A.H.,Zheng, S. (1992-12-16). Dietary intake of fiber and decreased risk of cancers of the colon and rectum: Evidence from the combined analysis of 13 case-control studies. Journal of the National Cancer Institute 84 (24) : 1887-1895. ScholarBank@NUS Repository.
Abstract: Background: Colorectal cancer is a major public health problem in both North America and western Europe, and incidence and mortality rates are rapidly increasing in many previously low-risk countries. It has been hypothesized that increased intakes of fiber, vitamin C, and beta carotene could decrease the risk of colorectal cancer. Purpose: The objective of this study was to examine the effects of fiber, vitamin C, and beta-carotene intakes on colorectal cancer risk in a combined analysis of data from 13 case-control studies previously conducted in populations with differing colorectal cancer rates and dietary practices. The study was designed to estimate risks in the pooled data, to test the consistency of the associations across the studies, and to examine interactions of the effects of the nutrients with cancer site, sex, and age. Methods: Original data records for 5287 case subjects with colorectal cancer and 10470 control subjects without disease were combined. Logistic regression analysis was used to estimate relative risks and confidence intervals for intakes of fiber, vitamin C, and beta carotene, with the effects of study, sex, and age group being adjusted by stratification. Results: Risk decreased as fiber intake increased; relative risks were 0.79, 0.69, 0.63, and 0.53 for the four highest quintiles of intake compared with the lowest quintile (trend, f
Source Title: Journal of the National Cancer Institute
URI: http://scholarbank.nus.edu.sg/handle/10635/113441
ISSN: 00278874
Appears in Collections:Staff Publications

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