Carbohydrate intake, glycemic load, glycemic index, and risk of ovarian cancer

C. M. Nagle, F. Kolahdooz, T. I. Ibiebele, C. M. Olsen, P. H. Lahmann, A. C. Green, P. M. Webb

    Research output: Contribution to journalArticlepeer-review


    Background: Our objective was to determine the relationship between dietary glycemic load (GL), glycemic index (GI), carbohydrate intake, and ovarian cancer risk in a population-based case-control study. Patients and methods: A self-administered questionnaire was used to collect data on demographic and lifestyle factors, and a food frequency questionnaire was used to collect dietary information from 1366 women with ovarian cancer and 1414 population controls. Results: GL was positively associated with ovarian cancer. The adjusted odds ratio (OR) for the highest versus the lowest quartile of intake was 1.24 [95% confidence interval (CI) 1.00-1.55, P for trend = 0.03]. Fiber intake was inversely associated with risk. The OR comparing women in the highest fiber-intake group with those in the lowest was 0.78 (95% CI 0.62-0.98, P for trend = 0.11). We found no association between GI, carbohydrate intake, and ovarian cancer. In analyses stratified by body mass index, the risk estimates for GL, carbohydrate, and sugar were higher among overweight/obese women; however, the interaction term was only significant for sugar (P for interaction = 0.004). Conclusions: Our results suggest that diets with a high GL may increase the risk of ovarian cancer, particularly among overweight/obese women, and a high intake of fiber may provide modest protection. © The Author 2010. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved.
    Original languageEnglish
    Pages (from-to)1332-1338
    Number of pages6
    JournalAnnals of Oncology
    Issue number6
    Publication statusPublished - 2011


    • Glycemic index
    • Glycemic load
    • Ovarian cancer


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