Financial strain predicts recurrent events among women with coronary artery disease
Background: Although a number of epidemiological studies have found an association between socioeconomic status (SES) indices such as income and education and coronary morbidity and mortality, few have looked at health consequences arising from actually experiencing financial shortcomings. The objective of the present study was to examine whether financial strain predicts recurrent coronary artery disease (CAD) events among women with established CAD. Methods: Two hundred two women (mean age 62 ± 9 years) hospitalized for an acute coronary event were followed over a period of 3.5 years. Demographic, socioeconomic, lifestyle-related, psychosocial and biological characteristics were obtained by means of questionnaires and clinical examination. Data on recurrent cardiac events were collected from the Swedish discharge and death registers. Results: Women experiencing financial strain over the past year had an increased risk for recurrent events, i.e. the combination of all-cause mortality, new acute myocardial infarction and unstable angina pectoris during the follow-up with an unadjusted hazard ratio (HR) of 3.2 (95% CI 1.6-6.6), and a HR of 2.76 (95% CI 1.02-7.50) after controlling for education, household income, age, cohabiting status, inclusion diagnosis and rehabilitation therapy. Adjustment for potential mediators, i.e. psychosocial factors, lipids, diabetes mellitus, smoking, body-mass index, blood pressure, physical activity, alcohol consumption, participation in other cardiac rehabilitation programs did not alter the results significantly. Conclusions: Financial strain was a predictor for recurrent events among women with CAD, independently of commonly used SES indicators such as education and household income. Future studies will have to explore the mechanism behind this association. © 2008.
Georgiades, A; Janszky, I; Blom, M; László, KD; Ahnve, S
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