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Vegetables, fruit, and colon cancer in the Iowa Women's Health Study.

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.

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  • Publisher Full Text
  • Authors+Show Affiliations

    ,

    Division of Epidemiology, School of Public Health, University of Minnesota, Minneapolis 55454-1015.

    , , ,

    Source

    American journal of epidemiology 139:1 1994 Jan 01 pg 1-15

    MeSH

    Age Factors
    Aged
    Cohort Studies
    Colonic Neoplasms
    Feeding Behavior
    Female
    Fruit
    Humans
    Male
    Middle Aged
    Nutrition Surveys
    Prospective Studies
    Sex Factors
    Surveys and Questionnaires
    United States
    Vegetables

    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 -