• Jingrong Zhu, Yunfeng Shi, Jinlin Li, and Zengbo Zhang.
• School of Management and Economics, Beijing Institute of Technology, Beijing, China.
• J Eval Clin Pract. 2020 Jun 1; 26 (3): 819-825.

BackgroundPoor adherence to medication that is taken chronically for the prevention of cardiovascular disease (CVD) continues to occur. Poor adherence is a primary barrier to treatment success and affects not only the patient but also the health care system.ObjectiveWe aim to explore the impacts of risk attitudes and time preferences on the decisions of patients to begin and comply with aspirin therapy for CVD prevention.MethodsThree hundred fifty-seven patients who used low-dose aspirin for CVD prevention under the guidance of their doctors completed the survey. The risk attitudes and time preferences of the patients were elicited using a multiple price list experiment. Logistic regression models were used to examine the predictors of adherence to aspirin use.ResultsRisk-seeking behaviours were significantly associated with both nonparticipation (P < .01) and lower compliance (P < .05) in patients. The coefficient for time preference was only significant at the 0.05 level for the decision to initiate aspirin use, which indicated that more impatient patients were less likely to begin with the use of aspirin. Forgetfulness in using aspirin on time and a lack of knowledge (as well as a lack of belief in the use of aspirin) could largely explain the poor adherence to aspirin therapy.ConclusionsThe identification of risk seekers and of those individuals who discount the future to a lesser degree may help providers to formulate tailored strategies to their patients, thus effectively enhancing their adherence to treatment.© 2019 John Wiley & Sons, Ltd.

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