A case-control study of tobacco-related cancers in Colombia.

摘要: The work reported here examined the effects of smoking cigarettes made predominantly dark tobacco, alcohol consumption, and coffee drinking upon risk developing cancers bladder, larynx, lung, oral cavity/hypopharynx in Medellin, Colombia. For this purpose 439 subjects with newly diagnosed at indicated sites were selected. Each subject was then matched by age, sex, socioeconomic status least one control. Data from interviews selected subjects, analysis, showed both intensity duration cigarette to be statistically significant predictors cancer all four sites. In addition, heavy consumption excess seven cups daily associated some elevation most studied. Multivariate analyses smoking, that adjustment for did not change observed associations between elevated risks smoking. However, data reduced relative eliminated statistical significance certain associations.