Application of the double bounded dichotomous choice model to the estimation of parent’s willingness to pay for the hand foot mouth disease vaccination: A survey in Selangor, Malaysia

Rajamoorthy, Yogambigai; Taib, Niazlin Mohd; Harapan, Harapan; Wagner, Abram L.; Munusamy, Subramaniam

doi:10.1371/journal.pone.0286924

Cited by 3 publications

(2 citation statements)

References 34 publications

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“…There are several methods that are commonly used to elicit WTP – bidding game method, 42 open-ended method, 43 double-bounded dichotomous choice method, 44 and payment card method – each with advantages and disadvantages. 45 The bidding game method has starting point bias, and open-ended (OE) questions can be difficult to interpret; the dichotomy method needs a large number of observations; the payment card method is easily affected by its scope set, but easy to implement.…”

Section: Discussionmentioning

confidence: 99%

Acceptance and willingness to pay for DTaP-HBV-IPV-Hib hexavalent vaccine among parents: A cross-sectional survey in China

Huang,

Xu,

Tang

et al. 2024

Human Vaccines & Immunotherapeutics

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DTaP-HBV-IPV-Hib hexavalent vaccine has been used in high-income countries for many years to prevent diphtheria, tetanus, pertussis, hepatitis B, poliomyelitis, and invasive Haemophilus influenzae type b disease. Currently, no hexavalent vaccines have been approved for use in China. Evidence of parental acceptance and interest in hexavalent vaccines can help policy makers and manufacturers make decisions about entering the vaccine market and the immunization program in China. We measured parental acceptance and willingness-to-pay (WTP) for a hexavalent vaccine to provide such evidence. We conducted a cross-sectional survey of children’s caregivers in 16 vaccination clinics in seven cities in China and obtained information on socio-demographics, knowledge of disease, confidence in vaccines, previous vaccination experience, and acceptance of and WTP for hexavalent vaccine. Multivariate logistic regression was used to determine factors influencing acceptance, and multivariate tobit regression was used to identify factors impacting WTP. Between April 28 and June 30, 2023, a total of 581 parents of children aged 0–6 years participated in the survey; 435 (74.87%, 95% CI:71.3%−78.4%) parents indicated acceptance of hexavalent vaccine. Residence location, parents’ education level, experience paying for vaccination, and disease knowledge scores were key factors affecting parents’ choices for vaccination. Mean (SD) and median (IQR) willingness to pay for full 4-dose course vaccination were 2266.66 (1177.1) CNY and 2400 (1600–2800) CNY. Children’s age ( p < .001), parents’ education level ( p = .024), and perceived price barriers ( p < .001) were significantly associated with WTP. Parents have high acceptance and willingness to pay for hexavalent vaccine. The less money parents have to pay out of pocket, the more willing they can be to accept the vaccine. Therefore, acceptance may increase even further if the vaccine is covered by medical insurance, provided free of charge by the government, or if its price is reduced. Our results provide reference for optimizing and adjusting immunization strategies in China.

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Section: Discussionmentioning

confidence: 99%

Acceptance and willingness to pay for DTaP-HBV-IPV-Hib hexavalent vaccine among parents: A cross-sectional survey in China

Huang,

Xu,

Tang

et al. 2024

Human Vaccines & Immunotherapeutics

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show abstract

“…This assumption is closely related to the socioeconomic characteristics of the individual expressed in the vector "x i ". The vector x i contains the predictor variables that are common to both outcomes, with the coefficient estimator β [45].…”

Section: Study Area and Methodologymentioning

confidence: 99%

Social Monetary Valuation for Protecting Forests and Protected Wild Animals in North Sulawesi, Indonesia

Mauri,

Huang,

Harbi

2023

Forests

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Many protected wild animal species are threatened with extinction because of degraded forest habitats. We conducted a monetary assessment of social responses to this issue in North Sulawesi, Indonesia. Respondents were asked to determine a monetary value for forest services, and we measured willingness to pay (WTP) using the collection of compensation funds every year for five years. A descriptive statistical model, a correlation analysis, and a double-bounded dichotomous choice (DBDC) model were used in this study. There were 92.1% of respondents who claimed to be aware of the environment, as well as 96% of protected animals, and 89.8% who agreed with the compensation fund. There is a need for current socialization of the environmental situation, and it is necessary to consider education and income factors for real actions in the future. The estimated monetary value probability for WTP was determined using accepting the median estimate of IDR 264,820 (USD 18.26). These results estimated the value of annual forest protection over five years.

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Chinese parents’ intention to vaccinate their 0–5-year-old children with the EV-71 vaccine against hand, foot, and mouth disease and willingness-to-pay

Cheng,

Zhong,

et al. 2024

Front. Public Health

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BackgroundThis study aimed to determine the intention and willingness-to-pay (WTP) of Chinese parents/guardians to vaccinate their children with the EV-71 vaccine. Knowledge levels about hand, foot, and mouth disease (HFMD) and the EV-71 vaccine were also investigated.MethodsA cross-sectional, self-administered online survey was conducted between November 2022 and March 2023. A stratified multi-stage random sampling method was used to recruit parents/guardians of children aged 0–5 years in southeastern China.ResultsA total of 3,626 complete responses were received. The mean knowledge score of HFMD was 9.99 (±4.23) out of a total of 14 points. The majority of the participants reported a somewhat willing intent (58.8%), followed by an extremely willing intent (28.9%). Participants who did not consider the EV-71 vaccine expensive (OR = 2.94, 95%CI 2.45–3.53) perceived that the EV-71 vaccine is effective (OR = 2.73, 95%CI 1.52–4.90), and a high knowledge level of HFMD (OR = 1.90, 95%CI 1.57–2.29) had the highest significant odds of having an extremely willing intent to vaccinate their children with the EV-71 vaccine. The median (interquartile range [IQR]) of WTP for the EV-71 vaccine was CNY¥200/USD$28 (IQR CNY¥100-400/USD$14-56). The highest marginal WTP for the vaccine was mainly influenced by the perceived high cost of the vaccine. Those participants who did not consider the EV-71 vaccine expensive had more than 10 times higher odds of vaccinating their children (OR = 10.86, 95%CI 8.49–13.88). Perceived susceptibility, perceived benefits, and perceived barriers were also significant influencing factors in the highest marginal WTP.ConclusionThe findings demonstrate the importance of improving health promotion and reducing the barriers to EV-71 vaccination. Therefore, it is important to improve health promotion and reduce the barriers to EV-71 vaccination.

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Application of the double bounded dichotomous choice model to the estimation of parent’s willingness to pay for the hand foot mouth disease vaccination: A survey in Selangor, Malaysia

Cited by 3 publications

References 34 publications

Acceptance and willingness to pay for DTaP-HBV-IPV-Hib hexavalent vaccine among parents: A cross-sectional survey in China

Acceptance and willingness to pay for DTaP-HBV-IPV-Hib hexavalent vaccine among parents: A cross-sectional survey in China

Social Monetary Valuation for Protecting Forests and Protected Wild Animals in North Sulawesi, Indonesia

Chinese parents’ intention to vaccinate their 0–5-year-old children with the EV-71 vaccine against hand, foot, and mouth disease and willingness-to-pay

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