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Revista Panamericana de Salud Pública
On-line version ISSN 1680-5348Print version ISSN 1020-4989
TOPORCOV, Tatiana Natasha et al. Consumption of animal-derived foods and mouth and oropharyngeal cancer. Rev Panam Salud Publica [online]. 2012, vol.32, n.3, pp.185-191. ISSN 1680-5348. http://dx.doi.org/10.1590/S1020-49892012000900003.
OBJECTIVE: Evaluate the relationship between animal-derived foods and mouth and oropharyngeal cancer. METHODS: Hospital-based case-control study matched by sex and age (± 5 years) with data collected between July of 2006 and June of 2008. The sample contained 296 patients with mouth and oropharyngeal cancer and 296 patients without a cancer history who were treated in four hospitals in the City of São Paulo, State of São Paulo, Brazil. A semistructured questionnaire was administered to collect data regarding socioeconomic condition and harmful habits (tobacco and alcoholic beverage consumption). To assess eating habits, a qualitative questionnaire that asked about the frequency of food consumption was used. The analysis was rendered by means of multivariate logistic regression models that considered the existing hierarchy among the characteristics studied. RESULTS: Among foods of animal origin, frequent consumption of beef (OR = 2.73; CI95% = 1.27-5.87; P < 0.001), bacon (OR = 2.48; CI95% = 1.30-4.74; P < 0.001) and eggs (OR = 3.04; CI95% = 1.51-6.15; P < 0.001) was linked to an increased risk of mouth and oropharyngeal cancer, in both the univariate and multivariate analyses. Among dairy products, milk showed a protective effect against the disease (OR = 0.41; CI95% = 0.21-0.82; P < 0.001). CONCLUSIONS: This study affirms the hypothesis that animal-derived foods can be etiologically linked to mouth and oropharyngeal cancer. This information can guide policies to prevent these diseases, generating public health benefits.
Keywords : Epidemiology; oropharynx; mouth neoplasms; feeding; Brazil.