Odds ratios (95% confidence intervals) of personal or family history of mood disorders among controls (n = 2,046) by mood symptoms and measures of nicotine dependence, EAGLE Study, Italy, 2002–2005.

<p><b>Abbreviations:</b> OR, odds ratio; CI, confidence interval; NA, not applicable; EAGLE, Environment And Genetics in Lung cancer Etiology.</p>a<p>Adjusted ORs for sex, age, residence, education level, marital status, time-weighted mean alcohol consumption (grams/day), smoking status, years smoking regularly, mean cigarettes per day, years since quitting cigarettes, and the interaction between MD and smoking status.</p>b<p>Center for Epidemiologic Studies – Depression.</p>c<p>Hospital Anxiety & Depression Scale.</p>d<p>Fagerström Test for Nicotine Dependence.</p><p><b>Note:</b> Numbers of participants may not sum to total due to missing data.