Willingness to Pay for Colorectal Cancer Screening in Vietnam: Policy Implications From a Contingent Valuation Survey [Editor's Choice]

Abstract

Objectives

To determine the willingness to pay (WTP) for the fecal occult blood test (FOBT) and colonoscopy among the general population to provide evidence for policymakers in deciding whether to include them in the social health insurance benefit package and facilitate the pricing practice.

Methods

The conventional double-bounded dichotomous choice contingent valuation survey was used to determine the WTP. We recruited 402 people aged 50 to 75 who came to 3 primary healthcare clinics in Hanoi from February 2019 to April 2019. The questionnaire was built based on the pilot research with a 5-bid design, that is, the starting bids of US $4.05, 6.75, 13.51, 21.01, and 36.47 for FOBT and US $21.01, 40.52, 54.03, 81.04, and 182.34 for colonoscopy. The data analysis was performed using the DCchoice package version 3.5.1. Cost in Vietnam dong is converted to 2022 US $using purchasing power parity method.

Results

A total of 7.2% of participants refused to pay for FOBT and colonoscopy. Analysis of the univariate model showed that the mean and median WTP for FOBT were US $62.08 and 45.28. The mean and median WTP for colonoscopy were US $101.61 and 78.61. When adjusting the WTP value by related factors, the mean and median WTP estimates for FOBT were almost the same. The choice of WTP for FOBT and colonoscopy was statistically associated with several variables.

Conclusions

This study supports the inclusion of FOBT and colonoscopy into the social health insurance benefits package. This study also supports policymakers in pricing practice to optimize the uptake rate of colorectal cancer screening tests.

Authors

Ha Thu Nguyen Anh Quynh Nguyen

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