Fig. 2. Adjusted odds ratios and 95% confidence intervals for ventricular arrhythmias according to usual coffee and tea intake among Onset Study participants. The reference category was participants who abstained from tea and drank >7 cups of coffee per week. Odds ratios adjusted for age, sex, body-mass index, smoking, physical exertion, thrombolytic therapy, cardiac medications, and previous history of myocardial infarction, hypertension, and diabetes.