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Title: Dairy product consumption and risk of colorectal cancer in an older Mediterranean population at high cardiovascular risk
Authors: Barrubés, Laura
Babio, Nancy
Mena-Sánchez, Guillermo
Toledo, Estefania
Ramírez-Sabio, Judith B.
Estruch, Ramón
Ros, Emilio
Fitó, Montserrat
Arós, Fernando
Fiol, Miquel
Santos-Lozano, José Manuel
Serra-Majem, Lluís 
Pintoó Xavier
Martínez-González, Miguel Ángel
Vicente Sorlí, José
Basora, Josep
Salas-Salvadó, Jordi
UNESCO Clasification: 3206 Ciencias de la nutrición
Keywords: Colorectal cancer
Mediterranean diet
Dairy products
Issue Date: 2018
Publisher: 0020-7136
Journal: International Journal of Cancer 
Abstract: Prospective studies have reported an inverse association between the consumption of total dairy products and milk and the risk of colorectal cancer (CRC). Nonetheless, there is little and inconsistent evidence regarding subtypes of dairy product and CRC risk. We assessed the associations between the consumption of total dairy products, their different subtypes and CRC risk in older Mediterranean individuals at high cardiovascular risk. We analyzed data from 7,216 men and women (55-80 years) without CRC at baseline from the PREvencion con DIeta MEDiterranea study. Individuals were recruited between 2003 and 2009 and followed up until December 2012. At baseline and yearly thereafter, consumption of total and specific dairy products was assessed using a validated 137-item food-frequency questionnaire. Cox proportional hazards ratios (HRs) of CRC incidence were estimated for tertiles of mean consumption of dairy products during the follow-up. During a median [interquartile range] follow-up of 6.0 [4.4-7.3] years, we documented 101 incident CRC cases. In the multivariable-adjusted models, HRs and 95% confidence intervals (CIs) of CRC for the comparison of extreme tertiles of total dairy product and low-fat milk consumption were 0.55 (95% CI: 0.31-0.99; p-trend = 0.037) and 0.54 (95% CI: 0.32-0.92; p-trend = 0.022), respectively. No significant associations with other dairy products (whole-fat and low-fat dairy products; total, low-fat and whole-fat yogurt; cheese; total, low-fat and whole-fat milk; concentrated full-fat dairy products, sugar-enriched dairy products and fermented dairy products) were found. A high consumption of total dairy products and low-fat milk was significantly associated with a reduced CRC risk.
ISSN: 0020-7136
DOI: 10.1002/ijc.31540
Source: International Journal of Cancer [ISSN 0020-7136], v. 143 (6), p. 1356-1366
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