Influence of socioeconomic status on acute myocardial infarction in the Chinese population: the INTERHEART China study.

BACKGROUND: Many researches report that low socioeconomic status (SES) is associated with a higher risk of coronary heart disease (CHD). This study aimed to determine whether levels of education, family income, and other SES were associated with acute myocardial infarction (AMI) in the Chinese population, and to compare the difference in this association between northern and southern regions in China. METHODS: We conducted a case-control study. …