Low social support defined as a response of “none of the time,” “a little of the time,” or “some of the time” on the 5-item MOS-SSS. Adjusted for: sociodemographic characteristics (age, sex, race, education, cohabitation status); comorbidities (prior coronary artery disease, AMI, revascularization, arrhythmia, or heart failure; peripheral vascular disease, valvular disease, cerebrovascular accident, chronic obstructive pulmonary disease, chronic kidney disease, cancer, diabetes mellitus); as well as AMI and hospitalization characteristics (Killip class, presenting heart rate, presenting systolic blood pressure, time to presentation, AMI classification, length of admission, initial hemoglobin value, in-hospital revascularization, in-hospital complications [arrhythmia, bleeding, heart failure], left ventricular ejection fraction, and discharge location). Odds ratios (circles) are shown with 95% confidence intervals (bars). N=3006.