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Knowledge, attitude, and practice on and willingness to pay for human papillomavirus vaccine: a cross-sectional study in Hanoi, Vietnam

Authors Tran BX, Than PT, Doan TT, Nguyen HL, Thi Mai H, Nguyen TH, Le HT, Latkin CA, Zhang MW, Ho RC

Received 12 February 2018

Accepted for publication 10 April 2018

Published 30 May 2018 Volume 2018:12 Pages 945—954

DOI https://doi.org/10.2147/PPA.S165357

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Dr Johnny Chen


Bach Xuan Tran,1,2 Phung Tat Quoc Than,3 Tien Thuy Ngoc Doan,1 Huong Lan Thi Nguyen,4 Hue Thi Mai,1 Trang Huyen Thi Nguyen,4 Huong Thi Le,1 Carl A Latkin,2 Melvyn WB Zhang,5 Roger CM Ho6

1Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam; 2Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; 3Department of Health Sciences, College of Health and Human Development, California State University, Northridge CA, USA; 4Institute for Global Health Innovations, Duy Tan University, Da Nang, Vietnam; 5Biomedical Global Institute of Healthcare Research & Technology (BIGHEART), National University of Singapore, Singapore; 6Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore

Background: Despite its effectiveness in preventing human papillomavirus (HPV) infection, the rate of uptake of the HPV vaccine is low in Vietnam. This study aimed to investigate barriers related to knowledge–attitude–practice (KAP) about the HPV vaccine and willingness to pay (WTP) for the vaccine among those using services in an urban vaccination clinic in Hanoi, Vietnam.
Materials and methods: A cross-sectional study was conducted in a vaccination clinic of the Institute for Preventive Medicine and Public Health in Hanoi, Vietnam, from March to April 2016. KAP on the HPV vaccine was collected using a structured questionnaire. Double-bounded dichotomous-choice questions with open-ended questions were used to examine the WTP of respondents. Interval regression and stepwise logistic models were used to identify factors associated with WTP and the average amount that people would be willing to pay for the vaccine.
Results: Of 492 vaccination service users, 67.9%, 94.6%, and 12.3% of respondents were aware of the best age for HPV vaccination, its benefits, and the target group for vaccination, respectively. While the majority believed that the HPV vaccine was safe (92.8%) and effective (90.8%), and desired to be vaccinated (71.1%), only 31.8% of users were vaccinated. Most of the respondents were willing to pay for the HPV vaccine (86.6%), and willing to pay an average amount of US$49.3. Those aged 20–29 years and earning more than 22 million VND/month (very rich) were more likely to pay for the HPV vaccine than people aged <20 years and earning <7 million VND/month. Users who had attained more than a high-school education and heard about the HPV vaccine from doctors, nurses, or other health professionals tended to be willing to pay for the vaccine at a lower price than individuals with below secondary-level education and who had not heard about the vaccine from these health professionals.
Conclusion: Sexual health education and financial assistance should be imparted alongside the HPV vaccination program.

Keywords: willingness to pay, knowledge, attitude, practice, HPV vaccine, Vietnam

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