Fig. 1. The relation of alcohol consumption to cigarette smoking in myocardial infarction (MI) patients and both control groups. The nonsmokers include 113 MI patients, 129 risk controls, and 179 ordinary controls. The established smokers include 185 MI patients, 192 risk controls, and 120 ordinary controls. Reproduced from Klatsky et al10 by courtesy of the editors of the Ann Intern Med.