Case-control study on risk factors of stomach cancer

  Objective   A case-control study was conducted to explore the risk factors of stomach cancerin Benx icity.

  Methods   Two hundred and ninety-eight new cases with stomach cancer survivors were surveyed by questionnaire, matched 1:1 with controls between February 2002 and February 2004.Correlation power of all risk factors with stomach cancer was evaluated by the odd ratio(OR).Logistic regression model univariate and multivariate analysis was used for screening the significant risk factors of stomach cancer.

  Results   Lack of physical exercises, mental depression, high smoke consumption, high sootiness food consumption, like high salt food consumption, surfeit animal meat, Helicobacter Pylori(HP)infection, gastric ulcer, household history of malignancy were the risk factors of stomach cancer.The odd ratio (OR) value in tum was 2.181, 19.502, 2.920, 6.985, 3.013, 12.882, 32.624, 13.006, 5.550.High champignon and mushrooms food consumption (OR=0.443), high fresh fruit consumption (OR=0.665) were the protective factors of stomach cancer.

  Conclusion   Helicobacter Pylori (HP) infection, mental depression, history of gastric ulcer, surfeit animal meat, lack of physical exercises were associated with increased risk of stomach cancer in Benxi.Helicobacter Pylori (HP) examination, keeping the equilibrium of mental state, adequacy athletics, high champignon and mushrooms food consumption, high fresh fruit consumption could decrease risk of stomach cancer.