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The Relation of Social Class to Risk Factors, Rehabilitation, Compliance and Mortality in Survivors of Acute Coronary Heart Disease

Cardiac Department and Department of Preventive Cardiology, St Vincent's Hospital and University College, Dublin, Ireland

Suzanne Cahill

Cardiac Department and Department of Preventive Cardiology, St Vincent's Hospital and University College, Dublin, Ireland

Risteard Mulcahy

Cardiac Department and Department of Preventive Cardiology, St Vincent's Hospital and University College, Dublin, Ireland

Howard Johnson

Cardiac Department and Department of Preventive Cardiology, St Vincent's Hospital and University College, Dublin, Ireland

Ian M. Graham

Cardiac Department and Department of Preventive Cardiology, St Vincent's Hospital and University College, Dublin, Ireland

Noel Hickey

Cardiac Department and Department of Preventive Cardiology, St Vincent's Hospital and University College, Dublin, Ireland

We studied 299 consecutive male 28-day survivors of unstable angina or myocardial infarction aged under 60 years to examine the relationship between social class and initial risk factors, change in risk-factors at one year follow-up, return to work, and 3-year mortality. There was a significant correlation between smoking on admission and social class, with 80% of lower and 31% of upper classes being current smokers. Daily cigarette consumption among smokers was significantly higher in lower-class patients. Lower-class patients also had a significantly higher weekly alcohol intake. Although the proportion of hypertensives did not vary with social class, mean in-hospital blood pressure was higher in lower-class patients. Social class bore no relationship to amount of leisure exercise, serum cholesterol or degree of overweight. There was a 90% 1-year return to work overall, and while there was no relationship between social class and eventual re-employment, lower-class patients took significantly longer to return to work. There were highly significant associations between social class and successful smoking cessation, increase in leisure exercise and weight reduction over the first year after discharge. There was no significant association between social class and 3-year mortality.

Key Words: Coronary heart disease • risk factors • secondary prevention • social factors

Scandinavian Journal of Public Health, Vol. 14, No. 2, 51-56 (1986)
DOI: 10.1177/140349488601400202


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