Journal
NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL
Volume 65, Issue 3, Pages 367-374Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/01635581.2013.757631
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Funding
- National Health Fund [HSF19]
- CHASE Fund
- Planning Institute of Jamaica [77/854]
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Studies of diet and prostate cancer have focused primarily on food and nutrients; however, dietary patterns examine the overall diet, particularly foods eaten in combination, and risk of disease. We evaluated the association of dietary patterns and prostate cancer and low- and high-grade subgroups in Jamaican men. In a case-control study, we enrolled 243 incident cases and 273 urology controls in Jamaican clinics, March 2005July 2007. Dietary patterns were identified using principal component analysis. Four food patterns were identified: a vegetable and legume pattern, a fast food pattern, a meat pattern, and a refined carbohydrate pattern. Men in the highest tertile for the refined carbohydrate pattern, characterized by high intakes of rice, pasta, sugar sweetened beverages, and sweet baked foods were at increased risk of total prostate cancer [odds ratio (OR) = 2.02; 95% confidence interval (CI) = 1.053.87 (Ptrend = 0.029)] and low-grade disease [OR = 2.91; 95% CI = 1.187.13 (Ptrend = 0.019)] compared with men in the lowest tertile. The vegetable and legumes pattern (healthy), meat pattern, or fast food pattern were not associated with prostate cancer risk. These data suggest a carbohydrate dietary pattern high in refined carbohydrates may be a risk factor for prostate cancer in Jamaican men.
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