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Figure. Relative risk of periodontitis according to level of alcohol intake at baseline, cumulative average intake, and recent intake, Health Professionals Follow-up Study, 1986-1998. Data are adjusted for age, smoking status, diabetes, body mass index, physical activity, total calories, and calendar time. RR denotes relative risk; 95% confidence intervals (CI) are denoted by the bars around the relative risks. The numbers of cases among those reporting baseline alcohol intake of 0.1-4.9 g/day were 528; 5.0-14.9 g/day, 589; 15-29.9 g/day, 284; for > 30 g/day, 312; and for non-drinkers, 412. The numbers of cases among those reporting average alcohol intake of 0.1-4.9 g/day were 573; 5.0-14.9 g/day, 591; 15-29.9 g/day, 306; for > 30 g/day, 282; and for non-drinkers, 373. The numbers of cases among those reporting recent alcohol intake of 0.1-4.9 g/day were 550; 5.0-14.9 g/day, 562; 15-29.9 g/day, 276; for > 30 g/day, 288; and for non-drinkers, 449.
