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Full text of this paper is not available in the ETD Center. Copies may be available for inter-library loan from University of Cincinnati or may be available for purchase from Proquest/UMI

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QUANTIFYING THE PERCEIVED VALUE OF PHARMACY SERVICES AS MEASURED BY THE CONTINGENT VALUATION METHOD: FOCUS ON COMMUNITY PHARMACY

Wong, Peter Kim-Hung
http://rave.ohiolink.edu/etdc/view?acc_num=ucin980272432

Abstract Details

2000, PhD, University of Cincinnati, Pharmacy : Pharmaceutical Sciences.
The aim of this study is to determine the costs and benefits of pharmacist-managed warfarin therapy (PMWT) at community pharmacies using the contingent valuation (CV) method. The use of CV to measure Pharmaceutical Care outcomes is at an infancy stage. CV elicits consumers’ willingness to pay (WTP) for goods and services that are not available or not priced in well functioning markets. The WTP benefit measure is consistent with welfare economic theory and its applications in health care assessment are increasing. The CV survey was sent to 2,800 patients that were selected from files in community pharmacies or a rural health plan. Five hundred and thirty patients participated (393 usable) in the CV survey. Patients were divided into warfarin clinic (ex post) and non-warfarin clinic (ex ante) groups. A self-administered survey consisting of 24 questions was mailed to the respondents’ home. WTP values in the form of out-of-pocket expense and additional insurance premium were elicited for PMWT with various probabilities for success in reducing blood clots and hospitalization. A payment card method was used to obtain patients’ WTP values. Overall WTP values for PMWT in the form of out-of-pocket or additional insurance were significantly greater than zero. The mean out-of-pocket WTP amounts for 28% blood clot incident reduction and 26% hospitalization reduction were $17.19 ± 15.57 and $19.26 ± 17.56 respectively. The mean WTP insurance premiums for the same probabilities were $11.97 ± 13.66 and $12.66 ± 14.63 respectively. Regression analysis was used to identify significant predictors for the WTP values. For the out-of-pocket WTP payment scheme, annual household income, selection of health plan with PMWT and attitude towards the health plan’s inclusion of PMWT were significant predictors. For the insurance WTP scheme, annual household incomes and selection of health plan with PMWT were significant predictors. Patients were able to assign values to different sizes of health gains. Range bias and inconsistency of rational choices were detected from this sampled population. There were no significant differences for both WTP out-of-pocket and WTP insurance between ex ante and ex post PMWT respondents. Finally cost benefit analyses from the societal perspective were performed to assess the net benefits of having PMWT at community pharmacies at different sizes of health gains. Net benefits varied from $-88.36 to $105.52 depending on whether blood test cost was included in the calculation. Results indicated that PMWT should be provided only to high-risk patients otherwise the program would not have favorable net benefits.
Raymond Jang (Advisor)
Contingent Valuation; Willingness to Pay; Pharmaceutical Care; Community Pharmacy; Pharmacoeconomics

Recommended Citations

Citations

  • Wong, P. K.-H. (2000). QUANTIFYING THE PERCEIVED VALUE OF PHARMACY SERVICES AS MEASURED BY THE CONTINGENT VALUATION METHOD: FOCUS ON COMMUNITY PHARMACY [Doctoral dissertation, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin980272432

    APA Style (7th edition)

  • Wong, Peter. QUANTIFYING THE PERCEIVED VALUE OF PHARMACY SERVICES AS MEASURED BY THE CONTINGENT VALUATION METHOD: FOCUS ON COMMUNITY PHARMACY. 2000. University of Cincinnati, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin980272432.

    MLA Style (8th edition)

  • Wong, Peter. "QUANTIFYING THE PERCEIVED VALUE OF PHARMACY SERVICES AS MEASURED BY THE CONTINGENT VALUATION METHOD: FOCUS ON COMMUNITY PHARMACY." Doctoral dissertation, University of Cincinnati, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin980272432

    Chicago Manual of Style (17th edition)

ucin980272432
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This open access ETD is published by University of Cincinnati and OhioLINK.