Fig. 2From: Association between heaviness of cigarette smoking and serious psychological distress is stronger in women than in men: a nationally representative cross-sectional survey in JapanAdjusted odds ratio (OR) of heaviness of cigarette smoking for serious psychological distress, stratified by age-groups. Error bars display 95% confidence intervals. Adjusted for age (5-year increase), family size, housing tenure, marital status, education, equivalent household expenditures, employment contract, and chronic medical conditionsBack to article page