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Erschienen in:
24.11.2016 | Original Contribution
Meat intake, cooking methods and doneness and risk of colorectal tumours in the Spanish multicase-control study (MCC-Spain)
Erschienen in: European Journal of Nutrition | Ausgabe 2/2018
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Purpose
Although there is convincing evidence that red and processed meat intake increases the risk of colorectal cancer (CRC), the potential role of meat cooking practices has not been established yet and could partly explain the current heterogeneity of results among studies. Therefore, we aimed to investigate the association between meat consumption and cooking practices and the risk of CRC in a population-based case–control study.
Methods
A total of 1671 CRC cases and 3095 controls recruited in Spain between September 2008 and December 2013 completing a food frequency questionnaire with a meat-specific module were included in the analyses. Odds ratios (OR) and confidence intervals (CI) were estimated by logistic regression models adjusted for known confounders.
Results
Total meat intake was associated with increased risk of CRC (OR
T3–T1 1.41; 95% CI 1.19–1.67; p
trend < 0.001), and similar associations were found for white, red and processed/cured/organ meat. Rare-cooked meat preference was associated with low risk of CRC in red meat (ORrare vs. medium 0.66; 95% CI 0.51–0.85) and total meat (ORrare vs. medium 0.56; 95% CI 0.37–0.86) consumers, these associations being stronger in women than in men. Griddle-grilled/barbecued meat was associated with an increased CRC risk (total meat: OR 1.45; 95% CI 1.13–1.87). Stewing (OR 1.25; 95% CI 1.04–1.51) and oven-baking (OR 1.18; 95% CI 1.00–1.40) were associated with increased CRC risk of white, but not red, meat.
Conclusions
Our study supports an association of white, red, processed/cured/organ and total meat intake with an increased risk of CRC. Moreover, our study showed that cooking practices can modulate such risk.