Journal
JOURNAL OF BEHAVIORAL MEDICINE
Volume 31, Issue 5, Pages 421-431Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10865-008-9168-1
Keywords
cardiac rehabilitation; depression; medical adherence; cardiovascular disease
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Reduced adherence to medical treatment regimens may help to explain the higher risk of mortality among depressed cardiac patients. Participation in cardiac rehabilitation is a highly recommended part of the medical treatment regimen for cardiac patients. This study examined if elevated depressive symptomology, as measured by the Beck Depression Inventory (BDI), predicted failure to complete a 12-week phase II cardiac rehabilitation program for 600 patients. Logistic regression analysis showed that patients with elevated levels of depressive symptomology (BDI scores >= 10) were 2.2 times less likely to complete cardiac rehabilitation compared to patients without depression (BDI < 10), after controlling for age, gender, body mass index, and employment. Somatic symptoms predicted non-completion due to medical reasons, whereas younger age predicted failure to complete cardiac rehabilitation due to non-medical reasons. Given the difficulty of reducing mortality by treating depression directly, interventions targeting behavior change to improve medical treatment adherence might be an effective complementary strategy.
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