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Vegetables, fruit, and colon cancer in the Iowa Women's Health Study.
Am J Epidemiol 1994; 139(1):1-15AJ

Abstract

Previous epidemiologic studies have shown an inverse association between vegetable and fruit consumption and colon cancer risk; few of these studies have been prospective or have focused on women. This report describes results from a prospective cohort study of 41,837 women aged 55-69 years who completed a 127-item food frequency questionnaire in 1986 and were monitored for cancer incidence for 5 years via the State Health Registry of Iowa. After specific exclusion criteria were applied, 212 colon cancer cases and 167,447 person-years were available for analysis. Intakes of 15 vegetable and fruit groups and dietary fiber were the major factors of interest. Consumption of garlic was inversely associated with risk, with an age- and energy-adjusted relative risk of 0.68 (95% confidence interval (CI) 0.46-1.02) for the uppermost versus the lowermost consumption levels. Inverse associations were also observed for intakes of all vegetables and dietary fiber; age- and energy-adjusted relative risks for the uppermost versus the lowermost intake quartiles were 0.73 (95% CI 0.47-1.13) and 0.80 (95% CI 0.49-1.31), respectively. Associations for the other vegetable and fruit groups were less remarkable.

Authors+Show Affiliations

Division of Epidemiology, School of Public Health, University of Minnesota, Minneapolis 55454-1015.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

8296768

Citation

Steinmetz, K A., et al. "Vegetables, Fruit, and Colon Cancer in the Iowa Women's Health Study." American Journal of Epidemiology, vol. 139, no. 1, 1994, pp. 1-15.
Steinmetz KA, Kushi LH, Bostick RM, et al. Vegetables, fruit, and colon cancer in the Iowa Women's Health Study. Am J Epidemiol. 1994;139(1):1-15.
Steinmetz, K. A., Kushi, L. H., Bostick, R. M., Folsom, A. R., & Potter, J. D. (1994). Vegetables, fruit, and colon cancer in the Iowa Women's Health Study. American Journal of Epidemiology, 139(1), pp. 1-15.
Steinmetz KA, et al. Vegetables, Fruit, and Colon Cancer in the Iowa Women's Health Study. Am J Epidemiol. 1994 Jan 1;139(1):1-15. PubMed PMID: 8296768.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vegetables, fruit, and colon cancer in the Iowa Women's Health Study. AU - Steinmetz,K A, AU - Kushi,L H, AU - Bostick,R M, AU - Folsom,A R, AU - Potter,J D, PY - 1994/1/1/pubmed PY - 1994/1/1/medline PY - 1994/1/1/entrez SP - 1 EP - 15 JF - American journal of epidemiology JO - Am. J. Epidemiol. VL - 139 IS - 1 N2 - Previous epidemiologic studies have shown an inverse association between vegetable and fruit consumption and colon cancer risk; few of these studies have been prospective or have focused on women. This report describes results from a prospective cohort study of 41,837 women aged 55-69 years who completed a 127-item food frequency questionnaire in 1986 and were monitored for cancer incidence for 5 years via the State Health Registry of Iowa. After specific exclusion criteria were applied, 212 colon cancer cases and 167,447 person-years were available for analysis. Intakes of 15 vegetable and fruit groups and dietary fiber were the major factors of interest. Consumption of garlic was inversely associated with risk, with an age- and energy-adjusted relative risk of 0.68 (95% confidence interval (CI) 0.46-1.02) for the uppermost versus the lowermost consumption levels. Inverse associations were also observed for intakes of all vegetables and dietary fiber; age- and energy-adjusted relative risks for the uppermost versus the lowermost intake quartiles were 0.73 (95% CI 0.47-1.13) and 0.80 (95% CI 0.49-1.31), respectively. Associations for the other vegetable and fruit groups were less remarkable. SN - 0002-9262 UR - https://www.unboundmedicine.com/medline/citation/8296768/full_citation L2 - https://academic.oup.com/aje/article-lookup/doi/10.1093/oxfordjournals.aje.a116921 DB - PRIME DP - Unbound Medicine ER -