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Distribution of 185 hepatocellular carcinoma cases and 404 controls, odds ratios (OR) and 95% confidence intervals (CIs) according to the combination of diabetes and overweight. Italy, 1999–2002. ORs were estimated from unconditional logistic regression model adjusted for centre, sex, age, education, drinking status, maximum lifetime alcohol intake, smoking habits, HBsAg and/or anti-HCV positivity, and non-alcohol energy intake. Overweight was defined as BMI ⩾25 kg m−2.
