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  • Title: Occupational exposures and risk of stomach cancer by histological type.
    Author: Santibañez M, Alguacil J, de la Hera MG, Navarrete-Muñoz EM, Llorca J, Aragonés N, Kauppinen T, Vioque J, PANESOES Study Group.
    Journal: Occup Environ Med; 2012 Apr; 69(4):268-75. PubMed ID: 22068174.
    Abstract:
    OBJECTIVE: To explore the relationship between stomach cancer (SC), by histological type, and occupations and occupational exposures. METHODS: The authors conducted a hospital-based case-control study in south-east Spain. Subjects were 399 incident histological confirmed SC cases (241 intestinal and 109 diffuse adenocarcinomas) and 455 controls frequency matched by sex, age and province of residence. Occupation was coded according to the Spanish National Classification of Occupations 1994. Occupational exposures were assessed by the FINJEM Job Exposure Matrix. ORs were estimated by unconditional logistic regression adjusting for matching variables and education, smoking, alcohol and diet. RESULTS: In men, statistically significant increased risk of the diffuse subtype was found for 'cooks' (OR 8.02), 'wood-processing-plant operators' (OR 8.13) and 'food and related products machine operators' (OR 5.40); for the intestinal subtype, a borderline association was found for 'miners and quarry workers' (OR men 4.22, 95% CI 0.80 to 22.14). Significant increased risk was observed between the diffuse subtype of SC and the highest level of exposure to 'pesticides' (OR(H) both sexes 10.39, 95% CI 2.51 to 43.02, p(trend)=0.02) and between the intestinal subtype and asbestos (OR(H) men 3.71, 95% CI 1.40 to 9.83, p(trend)=0.07). Restricted analyses of exposures of 15 years and longer showed significant associations between the diffuse subtype and the exposure to 'wood dust' (OR men 3.05). CONCLUSIONS: This study supports the relationship previously suggested between SC and occupational exposure to dusty and high temperature environments. Several occupations may also increase the risk of diffuse SC but not the intestinal subtype.
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