Willingness to Pay for Over-the counter Pravastatin in Self-medication for the Primary Prevention of Myocardial Infarction

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Objective:The aim of this study was to measure the value of over-the-counter (OTC) pravastatin as a healthcare-related item by investigating the publics willingness to pay(WTP)in self-medication for the primary prevention of myocardial infarction (MI)if pravastatin were switched to OTC status.Methods:A questionnaire survey was distributed among those receiving health checkups at Kitasato Institute Hospital. For the WTP question format, the double-bound dichotomous choice approach was employed. Participants were randomly assigned to three groups. Group A was provided with a starting price per month of \5,000, group B with \8,000, and group C with \12,000. To investigate factors affecting WTP, Weibull regression analysis was used.Results:The questionnaire survey was completed by 242 individuals(150 men, age range 30-82 years), and the mean WTP was \9,583 per month. Weibull regression analysis showed that age significantly affected WTP. The monthly cost for a physician consultation to receive prescribed pravastatin is \3,540 to \6,590 in the Japanese health insurance system.Conclusion:The WTP was about \10,000 per month, and the WTP based on the questionnaire responses was more than two-fold higher than the present cost for a physician visit. This study clarified the WTP if pravastatin for the primary prevention of MI were switched to OTC status. Further studies are necessary to elucidate whether this would contribute to the promotion of self-medication among Japanese.

Willingness to Pay for Over-the counter Pravastatin in Self-medication for the Primary Prevention of Myocardial Infarction

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