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Int J Cancer. 2000 May 1;86(3):421-4.

Comparison of lifestyle and risk factors among Japanese with and without gastric cancer family history.

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Department of Public Health, Nagoya City University Medical School, Nagoya City, Aichi Prefecture, Japan.


To find specific risk factors of gastric cancer (GC) independent of GC family history (GCFH), 2 studies were conducted using the database of the Hospital-based Epidemiological Research Program at Aichi Cancer Center: (i) a comparison of lifestyles between non-cancer cases with positive and negative GCFH status and (ii) a case-reference investigation of subjects with and without GCFH, treated separately. The first showed no significant variation of GCFH status with regard to smoking, drinking and most food habits. Multivariate analyses in the case-referent studies revealed odds ratios (ORs) for GC associated with habitual smoking of 2.78 (95% CI 1.22-6.28) for those with and 2.74 (95% CI 1.76-4.26) for those without GCFH. In individuals with GCFH, an independently lowered OR (0.52, 95% CI 0.27-0.99) was evident for frequent consumption of raw vegetables, whereas the opposite was noted for pickled vegetables (2. 39, 95% CI 1.28-4.45). No statistically significant interaction was found between GCFH and selected lifestyle items. In conclusion, our results suggest a limited influence of GCFH on risk factors for GC.

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