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Chang S, Xu B, Xi H, Shao Y. Investigating the influencing factors of vaccination decisions for newly developed and established vaccines: a comparative study based on latent class logit models in China. Front Public Health 2024; 12:1455718. [PMID: 39267630 PMCID: PMC11390521 DOI: 10.3389/fpubh.2024.1455718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Accepted: 08/09/2024] [Indexed: 09/15/2024] Open
Abstract
Background The factors influencing vaccination decision-making for newly developed vaccines may be similar to and different from those for established vaccines. Understanding these underlying differences and similarities is crucial for designing targeted measures to promote new vaccines against potential novel viruses. Objective This study aims to compare public vaccination decisions for newly developed and established vaccines and to identify the differences and similarities in the influencing factors. Method A discrete choice experiment (DCE) was conducted on 1,509 representatives of the general population in China to collect data on preferences for the coronavirus disease 2019 (COVID-19) and influenza vaccines, representing the newly developed and established vaccines, respectively. The latent class logit model was used to identify latent classes within the sample, allowing for an analysis of the factors distinctly influencing choices for both types of vaccines. Result Participants valued similar attributes for both vaccines. However, concerns about sequelae were more significant for the newly developed vaccine, while effectiveness was prioritized for the established vaccine. Class membership analysis revealed these differences and similarities were significantly correlated with age, health, yearly household income, acquaintances' vaccination status, and risk perception. Conclusion The study highlights the need for tailored communication strategies and targeted vaccination interventions. For the newly developed vaccines, addressing concerns about side effects is more crucial. For long-standing vaccines, emphasizing their effectiveness can enhance uptake more significantly. Engaging healthcare providers and community influencers is essential for both vaccines to increase public confidence and vaccination rates. Clear communication and community engagement are critical strategies for addressing public concerns and misinformation, particularly during periods of heightened concern.
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Affiliation(s)
- Shiyun Chang
- School of Government, Nanjing University, Nanjing, China
| | - Biao Xu
- School of Government, Nanjing University, Nanjing, China
| | - Hailing Xi
- School of Government, Nanjing University, Nanjing, China
| | - Yifan Shao
- School of Government, Nanjing University, Nanjing, China
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Schue JL, Fesshaye B, Miller E, Singh P, Limaye RJ. COVID-19 vaccine preferences for pregnant and lactating women in Bangladesh and Kenya: a qualitative study. Front Public Health 2024; 12:1412878. [PMID: 39206003 PMCID: PMC11349526 DOI: 10.3389/fpubh.2024.1412878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 07/31/2024] [Indexed: 09/04/2024] Open
Abstract
COVID-19 was responsible for more than 7 million deaths globally, as well as numerous morbidities and social and economic effects. While COVID-19 vaccines were seen as a marvel of science by the scientific community, much of the public had concerns related to COVID-19 vaccines, with certain groups-such as pregnant and lactating women-having specific concerns related to vaccine effects on their pregnancy and breast milk. In this qualitative study, we interviewed stakeholders in Bangladesh (n = 26) and Kenya (n = 94) who affect the decision-making process related to COVID-19 vaccine acceptance among pregnant and lactating women. These included pregnant and lactating women themselves, community gatekeepers or family members, healthcare workers, and policymakers. Several themes related to confidence and vaccine preference emerged. Stakeholders indicated a lack of confidence related to non-mRNA vaccines due to safety concerns, number of doses, and media coverage; lack of confidence related to mRNA vaccines due to safety concerns; and preference for non-mRNA vaccines due to health system compatibility and availability. While COVID-19 vaccine availability in much of the world-particularly in low-and middle-income countries-affected the public's ability to have a choice in the vaccine they received, there were evident vaccine preferences. As the public health world will continue to face other infectious disease outbreaks, bolstering vaccine confidence broadly and specifically related to new technologies will be paramount to realize the individual-and population-level benefits of life-saving vaccines.
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Affiliation(s)
- Jessica L Schue
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Berhaun Fesshaye
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Emily Miller
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Prachi Singh
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Rupali J Limaye
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
- Department of Epidemiology, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD, United States
- Department of Health, Behavior, and Society, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD, United States
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Huang Y, Feng S, Zhao Y, Wang H, Jiang H. Preferences for COVID-19 Vaccines: Systematic Literature Review of Discrete Choice Experiments. JMIR Public Health Surveill 2024; 10:e56546. [PMID: 39073875 PMCID: PMC11319885 DOI: 10.2196/56546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 05/01/2024] [Accepted: 05/26/2024] [Indexed: 07/30/2024] Open
Abstract
BACKGROUND Vaccination can be viewed as comprising the most important defensive barriers to protect susceptible groups from infection. However, vaccine hesitancy for COVID-19 is widespread worldwide. OBJECTIVE We aimed to systematically review studies eliciting the COVID-19 vaccine preference using discrete choice experiments. METHODS A literature search was conducted in PubMed, Embase, Web of Science, Scopus, and CINAHL Plus platforms in April 2023. Search terms included discrete choice experiments, COVID-19, and vaccines and related synonyms. Descriptive statistics were used to summarize the study characteristics. Subgroup analyses were performed by factors such as high-income countries and low- and middle-income countries and study period (before, during, and after the pandemic wave). Quality appraisal was performed using the 5-item Purpose, Respondents, Explanation, Findings, and Significance checklist. RESULTS The search yield a total of 623 records, and 47 studies with 53 data points were finally included. Attributes were grouped into 4 categories: outcome, process, cost, and others. The vaccine effectiveness (21/53, 40%) and safety (7/53, 13%) were the most frequently reported and important attributes. Subgroup analyses showed that vaccine effectiveness was the most important attribute, although the preference varied by subgroups. Compared to high-income countries (3/29, 10%), a higher proportion of low- and middle-income countries (4/24, 17%) prioritized safety. As the pandemic progressed, the duration of protection (2/24, 8%) during the pandemic wave and COVID-19 mortality risk (5/25, 20%) after the pandemic wave emerged as 2 of the most important attributes. CONCLUSIONS Our review revealed the critical role of vaccine effectiveness and safety in COVID-19 vaccine preference. However, it should be noticed that preference heterogeneity was observed across subpopulations and may change over time. TRIAL REGISTRATION PROSPERO CRD42023422720; https://tinyurl.com/2etf7ny7.
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Affiliation(s)
- Yiting Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
- Department of Medical Statistics, School of Basic Medicine and Public Health, Jinan University, Guangzhou, China
| | - Shuaixin Feng
- Outpatient department of Baogang, the First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China
| | - Yuyan Zhao
- Department of Epidemiology and Biostatistics, School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Haode Wang
- School of Health and Related Research, University of Sheffield, Sheffield, United Kingdom
| | - Hongbo Jiang
- Department of Epidemiology and Biostatistics, School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
- Institute for Global Health, University College London, London, United Kingdom
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Jiang B, Li M, Dai P, Cao Y, Liu Y, Shu X, Yang W, Feng L. Employees' seeking preference towards influenza vaccination in organization: A discrete choice experiment in China. Heliyon 2024; 10:e30432. [PMID: 38756589 PMCID: PMC11096921 DOI: 10.1016/j.heliyon.2024.e30432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 04/16/2024] [Accepted: 04/25/2024] [Indexed: 05/18/2024] Open
Abstract
To clarify the preferences of employees seeking influenza vaccination, a discrete choice experiment aims to understand the essential factors that close the gap between intention and behavior. A total of 866 employees with vaccination willingness willing to participated in a discrete choice experiment (DCE) between October 31st and December 6th, 2022 in China including the following attributes: price, vaccination setting, appointment mode, and service time. The data was analyzed using mixed logit models. Employees from smaller enterprises were more likely to get vaccinated collectively. For employees willing to get the influenza vaccine, 95.08 % of their choice was dominated by price. Employees' behavior varied according to their socioeconomic characteristics. Only female employees strongly favored work-site-based vaccination. Price was the primary factor considered by employees for getting the influenza vaccine. DCE would help to develop influenza vaccination intervention targeted at different groups in future studies.
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Affiliation(s)
- Binshan Jiang
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Mu Li
- China National Biotec Group Company Limited, Beijing, 100024, China
| | - Peixi Dai
- Division of Infectious Disease, Chinese Center for Disease Control and Prevention, Beijing, 102206, China
| | - Yanlin Cao
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Yuxi Liu
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Xiang Shu
- China National Biotec Group Company Limited, Beijing, 100024, China
| | - Weizhong Yang
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Luzhao Feng
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
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Morillon GF, Poder TG. Which factors drive the choice of the French-speaking Quebec population towards a COVID-19 vaccination programme: A discrete-choice experiment. Health Expect 2024; 27:e13963. [PMID: 39102733 PMCID: PMC10767688 DOI: 10.1111/hex.13963] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 08/07/2024] Open
Abstract
OBJECTIVES The aims of this study were to elicit preferences about the coronavirus disease 2019 (COVID-19) vaccine campaign in the general French-speaking adult Quebec population and to highlight the characteristics of the vaccine campaign that were of major importance. METHODS A discrete-choice experiment (DCE) was conducted between April and June 2021, in Quebec, Canada. A quota sampling method by age, gender and educational level was used to achieve a representative sample of the French-speaking adult population. The choice-based exercise was described by seven attributes within a vaccine campaign scenario. A mixed logit (MXL) model and a latent class logit (LCL) model were used to derive utility values. Age, gender, educational level, income and fear of COVID-19 were included as independent variables in the LCL. RESULTS A total of 1883 respondents were included for analysis, yielding 22,586 choices. From these choices, 3425 (15.16%) were refusals. In addition, 1159 (61.55%) individuals always accepted any of the vaccination campaigns, while 92 individuals (4.89%) always refused vaccine alternatives. According to the MXL, relative weight importance of attributes was effectiveness (32.50%), risk of side effects (24.76%), level of scientific evidence (22.51%), number of shots (15.73%), priority population (3.60%), type of vaccine (0.61%), and vaccination location (0.28%). Four classes were derived from the LCL model and attributes were more or less important according to them. Class 1 (19.8%) was more concerned about the effectiveness (27.99%), safety (24.22%) and the number of shots (21.82%), class 2 (55.3%) wanted a highly effective vaccine (40.16%) and class 3 (17.6%) gave high value to the scientific evidence (42.00%). Class 4 preferences (7.4%) were more balanced, with each attribute having a relative weight ranging from 1.84% (type of vaccine) to 21.32% (risk of side effects). Membership posterior probabilities to latent classes were found to be predicted by individual factors such as gender, annual income or fear of COVID-19. CONCLUSIONS Vaccination acceptance relies on multiple factors. This study allowed assessment of vaccination-specific issues through a choice-based exercise and description of factors influencing this choice by segmenting the sample and drawing profiles of individuals. Moreover, besides effectiveness and safety, a major point of this study was to show the importance given by the general population to the level of scientific evidence surrounding vaccines. PATIENT OR PUBLIC CONTRIBUTION A small group of citizens was involved in the conception, design and interpretation of data. Participants of the DCE were all from the general population.
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Affiliation(s)
- Gabin F. Morillon
- Montpellier Recherche en ÉconomieUniversity of MontpellierAvenue Raymond DugrandMontpellierFrance
| | - Thomas G. Poder
- Department of Management, Evaluation and Health Policy, School of Public HealthUniversity of MontrealMontrealQuebecCanada
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6
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Yang L, Huang Y. How Mortality Salience and Self-Construal Make a Difference: An Online Experiment to Test Perception of Importance of COVID-19 Vaccines in China. HEALTH COMMUNICATION 2023; 38:2698-2701. [PMID: 35898116 DOI: 10.1080/10410236.2022.2106413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
To better understand why Chinese residents' COVID-19 perceptions of the importance of vaccination change dramatically over time, this research used an online lab-like experiment to test the antecedents of individuals' perception of the importance of COVID-19 vaccines. We find that participants who view themselves as separate from others (i.e. independent self-construal) perceive COVID-19 vaccines as more important than Hepatitis B vaccines (i.e. control group), regardless of how salient mortality is for them. In contrast, among participants who view themselves as a part of their social groups (i.e. interdependent self-construal), awareness of death (i.e. mortality salience) plays a moderating role. Specifically, when mortality is salient, COVID-19 vaccines are considered more important than Hepatitis B vaccines; when morality is not salient, vaccine type does not make a difference on perceptions of vaccine importance.
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Affiliation(s)
- Lu Yang
- Department of Management, College of Economics and Management, Nanjing Agricultural University
| | - Yunhui Huang
- Department of Marketing and Electronic Business, School of Business, Nanjing University
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Akintunde TY, Chen JK, Ibrahim E, Isangha SO, Sayibu M, Musa TH. Factors associated with COVID-19 vaccine uptake among foreign migrants in China. Heliyon 2023; 9:e17567. [PMID: 37533745 PMCID: PMC10292914 DOI: 10.1016/j.heliyon.2023.e17567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 06/14/2023] [Accepted: 06/21/2023] [Indexed: 08/04/2023] Open
Abstract
Background/Purpose The COVID-19 outbreak created unique policy challenges for vaccinating special groups like migrants. As part of sustainable development goals, the equitable distribution of the COVID-19 vaccine can contribute to ensuring health for all. This study examined COVID-19 vaccine uptake among foreign migrants in China based on sociodemographics, cultural beliefs, past vaccine behaviors, and psychosocial factors. Design An online cross-sectional survey was conducted among foreign migrants in mainland China via social media platforms from 21 November through 20 December 2021. Bivariate (unadjusted odd-ratio) and multivariate logistic regression analyses were performed to establish the correlates of COVID-19 vaccine uptake. Result Surveyed foreign migrants that are culture neutral (AOR: 2.5, CI: 95%, 1.02-5.90, p = 0.044), willing to pay for vaccination (AOR: 2.27, CI: 95%, 1.18-3.98, p = 0.012), believe in vaccine efficacy (AOR: 3.00, CI: 95%, 1.75-5.16, p < 0.000), have poor psychological health (AOR: 1.96, CI: 95%, 1.14-3.38, p = 0 0.014), and have higher perceived seriousness of COVID-19 (AOR: 2.12, CI: 95%, 1.26-3.57, p = 0.005) are more likely to receive COVID-19 vaccine. Those migrants with a history of declining vaccination (AOR: 0.34, CI: 95%, 0.18-0.65, p = 0.000) and middle-income earners $1701-3500 (AOR: 0.43, CI: 95%, 0.23-0.82, p = 0.010) are less likely to receive the COVID-19 vaccine. Conclusion This study brings a unique perspective to understanding vaccine behavior among international migrants in China. There is an urgent call from the World Health Organization and countries for complete vaccination and efforts to improve vaccine coverage. However, fewer studies have been conducted globally on the vaccination of migrant populations. The current study provides empirical information to increase the knowledge of the correlates of vaccine behavior among immigrants in countries around the globe. Future studies should conduct cross-country comparisons to understand the factors associated with increasing vaccination rates among immigrant populations to formulate a strong policy to increase vaccine coverage among immigrant populations across countries.
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Affiliation(s)
- Tosin Yinka Akintunde
- Department of Sociology, School of Public Administration, Hohai University, China
- Department of Social Work, Chinese University of Hong Kong, Hong Kong
| | - Ji-Kang Chen
- Department of Social Work, Chinese University of Hong Kong, Hong Kong
| | - Elhakim Ibrahim
- Department of Demography, College for Health, Community and Policy, The University of Texas, San Antonio, TX, United States
| | - Stanley Oloji Isangha
- Department of Social and Behavioral Sciences, College of Liberal Art and Social Sciences, City University of Hong Kong, Hong Kong
| | - Muhideen Sayibu
- Department of Sci-Tech Communication and Policy, University of Science and Technology of China, Anhui, Hefei, China
| | - Taha Hussein Musa
- Department of Epidemiology and Health Statistics, Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
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Deng JS, Chen JY, Lin XQ, Huang CL, Tung TH, Zhu JS. Parental hesitancy against COVID-19 vaccination for children and associated factors in Taiwan. BMC Public Health 2023; 23:571. [PMID: 36973714 PMCID: PMC10041488 DOI: 10.1186/s12889-023-15158-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 01/30/2023] [Indexed: 03/29/2023] Open
Abstract
Background Since July 2021, some countries and regions have initiated the vaccination of minors against coronavirus disease (COVID-19), and parental COVID-19 vaccine hesitancy will affect the vaccination of minors. We aimed to identify the level of parental hesitancy to vaccinate their children against COVID-19 in Taiwan and the factors associated with vaccine hesitancy. Methods We conducted a population-based, self-administered online questionnaire in Taiwan to assess parental hesitancy and the factors influencing their children’s vaccination against COVID-19. Results Among 384 respondents, 64.1% were hesitant to have their children vaccinated against COVID-19. Mothers were more likely to hesitate to vaccinate their teens than their fathers (67.5% vs. 50%, P < 0.005). Multiple regression results showed that parents who were hesitant to vaccinate themselves (OR = 3.81, 95% CI:2.07–7.02) and those who scored lower on their perception of their children’s vaccination (OR = 9.73, 95% CI:5.62–16.84) were more hesitant to vaccinate their children with COVID-19 vaccine. Conclusions According to the study findings, 64.1% of Taiwanese parents were hesitant to vaccinate their children against COVID-19. Parents who were hesitant to receive the COVID-19 vaccine for themselves and had negative views of the vaccine for their children were more likely to be hesitant to vaccinate their children. An in-depth discussion of the factors affecting vaccine hesitancy and targeted health education is conducive to promoting vaccination in children with COVID-19.
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Affiliation(s)
- Jing-Shan Deng
- grid.469636.8Department of Infectious Diseases, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, 150 Ximen Street, Linhai, 317000 Zhejiang Province China
| | - Jau-Yuan Chen
- grid.454211.70000 0004 1756 999XDepartment of Family Medicine, Chang Gung Memorial Hospital Linkou Branch, Taoyuan City, Taiwan
| | - Xiao-Qing Lin
- grid.469636.8Department of Infectious Diseases, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, 150 Ximen Street, Linhai, 317000 Zhejiang Province China
| | - Chun-Lian Huang
- grid.469636.8Department of Infectious Diseases, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, 150 Ximen Street, Linhai, 317000 Zhejiang Province China
| | - Tao-Hsin Tung
- grid.469636.8Evidence-based Medicine Center, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, 150 Ximen Street, Linhai, 317000 Zhejiang Province China
| | - Jian-Sheng Zhu
- grid.469636.8Department of Infectious Diseases, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, 150 Ximen Street, Linhai, 317000 Zhejiang Province China
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Li X, Yang L, Tian G, Feng B, Jia X, He Z, Liu T, Zhao X, Huang M, Yu W, Yu L, Ming WK. Understanding influencing attributes of COVID-19 vaccine preference and willingness-to-pay among Chinese and American middle-aged and elderly adults: A discrete choice experiment and propensity score matching study. Front Public Health 2023; 11:1067218. [PMID: 37006586 PMCID: PMC10060971 DOI: 10.3389/fpubh.2023.1067218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 02/22/2023] [Indexed: 03/17/2023] Open
Abstract
Background and objective COVID-19 has imposed burdens on public health systems globally. Owing to the urgency of vaccination, this study aimed at comparing the differences in preference and willingness to pay of COVID-19 vaccine among Chinese and American middle-aged and elderly adults. Methods A cross-sectional survey containing demographic questions, rating their acceptance of COVID-19 vaccination with and without recommendations from friends, family members or employers (the social cues referred to in our study), and a discrete choice experiment understanding COVID-19 vaccine preference and willingness to pay was conducted to collect data. Propensity score matching was utilized to adjust confounding factors of baseline characteristics and the relative importance of respondents' preference for each attribute and its level was estimated using a conditional logit model. Then, willingness to pay was calculated. Results In total, 3,494 (2,311 and 1,183 from China and the United States, respectively) completed the questionnaire, among which 3,444 questionnaires were effective. After propensity score matching, 1,604 respondents with 802 from the US and 802 from China were included. Under the influence of the social cues, Chinese respondents' vaccine acceptance decreased from 71.70 to 70.70%, while American respondents' vaccine acceptance increased from 74.69 to 75.81%. The discrete choice experiment showed that American respondents regarded the efficacy of COVID-19 vaccine as the most important attribute, whereas Chinese respondents attached the highest importance to the cost of vaccination. But overall, the COVID-19 vaccine with the higher efficacy, the milder adverse effect, the lower cost, and the longer duration will promote the preference of the public in both countries. Additionally, the public were willing to spend the most money for a reduction in COVID-19 vaccine adverse effect from moderate to very mild (37.476USD for the United States, 140.503USD for China), followed by paying for the 1% improvement in its efficacy and paying for the one-month extension of its duration. Conclusion Given the impact of social cues on vaccine acceptance, Chinese government should promote reasonable vaccine-related information to improve national vaccination acceptance. Meanwhile, considering the influence of COVID-19 attributes on public preference and willingness to pay, regulating the vaccine pricing, improving the efficacy of the vaccine, reducing its adverse effect, and prolonging the duration of the vaccine works will contribute to vaccine uptake.
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Affiliation(s)
- Xialei Li
- School of Pharmaceutical Sciences, Shandong University, Jinan, China
| | - Liujun Yang
- School of Public Administration, Renmin University of China, Beijing, China
| | - Guanghua Tian
- Department of Public Health and Health Management, Clinical College of Anhui Medical University, Hefei, China
| | - Bojunhao Feng
- Faculty of Medicine, Macau University of Science and Technology, Macau, China
| | - Xiaocen Jia
- School of Public Health, Qingdao University, Qingdao, China
| | - Zonglin He
- International School, Jinan University, Guangzhou, China
| | - Taoran Liu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Xianqi Zhao
- School of Public Health, Shandong University, Jinan, China
| | - Mengjie Huang
- School of Public Health, Shandong University, Jinan, China
| | - Wenli Yu
- School of Liberal Education, Weifang University of Science and Technology, Weifang, China
| | - Lian Yu
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Wai-Kit Ming
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
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10
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Dahu BM, Alaboud K, Nowbuth AA, Puckett HM, Scott GJ, Sheets LR. The Role of Remote Sensing and Geospatial Analysis for Understanding COVID-19 Population Severity: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:4298. [PMID: 36901308 PMCID: PMC10002247 DOI: 10.3390/ijerph20054298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/30/2023] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
Remote sensing (RS), satellite imaging (SI), and geospatial analysis have established themselves as extremely useful and very diverse domains for research associated with space, spatio-temporal components, and geography. We evaluated in this review the existing evidence on the application of those geospatial techniques, tools, and methods in the coronavirus pandemic. We reviewed and retrieved nine research studies that directly used geospatial techniques, remote sensing, or satellite imaging as part of their research analysis. Articles included studies from Europe, Somalia, the USA, Indonesia, Iran, Ecuador, China, and India. Two papers used only satellite imaging data, three papers used remote sensing, three papers used a combination of both satellite imaging and remote sensing. One paper mentioned the use of spatiotemporal data. Many studies used reports from healthcare facilities and geospatial agencies to collect the type of data. The aim of this review was to show the use of remote sensing, satellite imaging, and geospatial data in defining features and relationships that are related to the spread and mortality rate of COVID-19 around the world. This review should ensure that these innovations and technologies are instantly available to assist decision-making and robust scientific research that will improve the population health diseases outcomes around the globe.
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Affiliation(s)
- Butros M. Dahu
- Institute for Data Science and Informatics, University of Missouri, Columbia, MO 65211, USA
- Department of Health Management and Informatics, University of Missouri, Columbia, MO 65211, USA
| | - Khuder Alaboud
- Institute for Data Science and Informatics, University of Missouri, Columbia, MO 65211, USA
- NextGen Biomedical Informatics Center, University of Missouri, Columbia, MO 65211, USA
| | - Avis Anya Nowbuth
- Pan African Organization for Health Education and Research (POHER), Manchester, MO 63011, USA
| | - Hunter M. Puckett
- Department of Health Management and Informatics, University of Missouri, Columbia, MO 65211, USA
| | - Grant J. Scott
- Institute for Data Science and Informatics, University of Missouri, Columbia, MO 65211, USA
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO 65211, USA
| | - Lincoln R. Sheets
- Institute for Data Science and Informatics, University of Missouri, Columbia, MO 65211, USA
- Department of Health Management and Informatics, University of Missouri, Columbia, MO 65211, USA
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11
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Ji LJ, Lappas CM, Wang XQ, Meier BP. The Naturalness Bias Influences Drug and Vaccine Decisions across Cultures. Med Decis Making 2023; 43:252-262. [PMID: 36495149 PMCID: PMC9827494 DOI: 10.1177/0272989x221140803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
HIGHLIGHTS The naturalness bias - preferring natural to synthetic drugs or vaccines - occurred across cultures (Americans, Canadians, and Chinese).Chinese participants showed a stronger naturalness bias than Americans did when the medical context was focused on vaccination, and safety concerns mediated this effect.The naturalness bias may influence medical decision making across cultures, but Chinese participants may be more sensitive to naturalness in a vaccine context.
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Affiliation(s)
- Li-Jun Ji
- Li-Jun Ji, Department of Psychology,
Queen’s University, 62 Arch Street, Kingston, K7L 3N6, Canada;
()
| | | | - Xin-qiang Wang
- Department of Psychology, Jiangxi Normal
University, Nanchang, China
| | - Brian P. Meier
- Department of Psychology, Gettysburg College,
Gettysburg, PA, USA
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Saigí-Rubió F, Eguia H, Espelt A, Macip S, Bosque-Prous M. Hesitation about coronavirus vaccines in healthcare professionals and general population in Spain. PLoS One 2022; 17:e0277899. [PMID: 36454968 PMCID: PMC9714825 DOI: 10.1371/journal.pone.0277899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 11/05/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND This study attempts to provide a picture of the hesitancy to vaccination against COVID-19 in Spain during the 2021 spring-autumn vaccination campaign, both in the general population and in healthcare professionals. METHODS The participants were recruited using social media such as Facebook and Twitter, in addition to the cooperation of health personnel contacted with the collaboration of medical scientific societies. A cross-sectional study was carried out that included the response of an online questionnaire. The data were collected from April 30 to September 26, 2021. To assess the different associations between variables to be measured, we fit Poisson regression models with robust variance. RESULTS Responses were obtained from 3,850 adults from the general population group and 502 health professionals. Of the overall sample, 48.6% of participants from the general population were vaccinated against COVID-19, whereas in the healthcare professionals, 94.8% were vaccinated. The prevalence of general population vaccination increased with age, and was higher in women than men. Most participants did not show a preference for any vaccine itself. However, the prevalence of people vaccinated with their preferred vaccine was higher for the ones vaccinated with Pfizer's vaccine. 6.5% of the general population reported being reticent to be vaccinated. People from younger age groups, people with lower educational levels and those who were not from a risk group showed greater reluctance to be vaccinated. No gender differences in reluctancy were found. CONCLUSIONS Health professionals were significantly less likely to refuse vaccination even though they had more doubts about the safety and efficacy of vaccines. On the other hand, younger people, those with a lower level of education and those who were not from a risk group were the most hesitant.
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Affiliation(s)
- Francesc Saigí-Rubió
- Faculty of Health Sciences, Universitat Oberta de Catalunya (UOC), Barcelona, Spain
| | - Hans Eguia
- Faculty of Health Sciences, Universitat Oberta de Catalunya (UOC), Barcelona, Spain
- SEMERGEN New Technologies Working Group, Madrid, Spain
| | - Albert Espelt
- Department of Epidemiology and Public Health, Faculty of Health Sciences of Manresa, Universitat de Vic–Universitat Central de Catalunya (UVic-UCC), Manresa, Spain
- Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Departament de Psicobiologia i Metodologia en Ciències de la Salut, Universitat Autònoma de Barcelona (UAB), Bellaterra. Spain
| | - Salvador Macip
- Faculty of Health Sciences, Universitat Oberta de Catalunya (UOC), Barcelona, Spain
- Department of Molecular and Cell Biology, Mechanisms of Cancer and Aging Laboratory, University of Leicester, Leicester, United Kingdom
| | - Marina Bosque-Prous
- Faculty of Health Sciences, Universitat Oberta de Catalunya (UOC), Barcelona, Spain
- Departament de Psicobiologia i Metodologia en Ciències de la Salut, Universitat Autònoma de Barcelona (UAB), Bellaterra. Spain
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Gong F, Gong Z, Li Z, Min H, Zhang J, Li X, Fu T, Fu X, He J, Wang Z, Wang Y, Wu Y. Impact of Media Use on Chinese Public Behavior towards Vaccination with the COVID-19 Vaccine: A Latent Profile Analysis. Vaccines (Basel) 2022; 10:vaccines10101737. [PMID: 36298602 PMCID: PMC9607196 DOI: 10.3390/vaccines10101737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 09/23/2022] [Accepted: 10/10/2022] [Indexed: 11/16/2022] Open
Abstract
(1) Background: research on vaccines has received extensive attention during epidemics. However, few studies have focused on the impact of media use on vaccination behavior and the factors influencing vaccination in groups with different media use degrees; (2) Method: Based on seven items related to media use, a total of 11,031 respondents were categorized by the frequency of media use by using latent profile analysis (LPA). Binary regression analysis was used to study the factors that influence the vaccination behaviors of people with different media use frequencies; (3) Results: All respondents were classified into the following three groups: media use low frequency (9.7%), media use general (67.1%), and media use high frequency (23.2%). Media use low frequency (β = −0.608, p < 0.001) was negatively associated with COVID-19 vaccination behavior. In the media use low frequency, analysis showed that “aged 41 years or older” β = 1.784, p < 0.001), had religious belief (β = 0.075, p < 0.05), were ethnic minorities (β = 0.936, p < 0.01) and had friends support (β = 0.923, p < 0.05) were associated with a preference to accept the COVID-19 vaccine. In the media use general, those who aged 41 years old and older (β = 1.682, p < 0.001), had major depression (β = 0.951, p < 0.05), had friends support (β = 0.048, p < 0.001) would be more likely to receive COVID-19 vaccination. However, respondents who live in towns (β = −0.300, p < 0.01) had lower behaviors to receive vaccination for COVID-19. In the media use high frequency, the respondents who aged 41 or older (β = 1.010, p < 0.001), were ethnic minorities (β = 0.741, p < 0.001), had moderate depression (β = 1.003, p < 0.05) would receive the vaccination for COVID-19 positively; (4) Conclusions: The more occluded the media use is, the less likely the respondents are to get vaccinated against COVID-19. Vaccination behavior is influenced by different factors in groups with different frequencies of media use. Therefore, the government and appropriate departments should make individualized and targeted strategies about COVID-19 vaccination and disseminate the vaccination information to different media use groups.
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Affiliation(s)
- Fangmin Gong
- School of Literature and Journalism Communication, Jishou University, Jishou 416000, China
| | - Zhuliu Gong
- School of Literature and Journalism Communication, Jishou University, Jishou 416000, China
- Correspondence: (Z.G.); (Y.W.); Tel.: +86-186-9238-7960 (Z.G.); +86-181-456-81982 (Y.W.)
| | - Zhou Li
- School of Literature and Journalism Communication, Jishou University, Jishou 416000, China
| | - Hewei Min
- School of Public Health, Peking University, Beijing 100871, China
| | - Jinzi Zhang
- School of Humanities and Social Sciences, Harbin Medical University, Harbin 150088, China
| | - Xialei Li
- School of Pharmaceutical Sciences, Shandong University, Jinan 250100, China
| | - Tongtong Fu
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang 110055, China
| | - Xiaomin Fu
- School of Management, Hainan Medical College, Haikou 571100, China
| | - Jingbo He
- School of Public Health, North Sichuan Medical College, Nanchong 637100, China
| | - Zhe Wang
- Xiangya School of Public Health, Central South University, Changsha 410017, China
| | - Yujia Wang
- School of Humanities and Social Sciences, Harbin Medical University, Harbin 150088, China
- Correspondence: (Z.G.); (Y.W.); Tel.: +86-186-9238-7960 (Z.G.); +86-181-456-81982 (Y.W.)
| | - Yibo Wu
- School of Public Health, Peking University, Beijing 100871, China
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14
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Childers-Strawbridge S, Eiden AL, Nyaku MK, Bhatti AA. Attitudes and Beliefs around the Value of Vaccination in the United States. Vaccines (Basel) 2022; 10:vaccines10091470. [PMID: 36146548 PMCID: PMC9501875 DOI: 10.3390/vaccines10091470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/24/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
Despite the benefits of immunization, differences in attitudes persist toward vaccines. We captured individuals’ perceptions of vaccines and vaccination across the United States (US) to inform vaccine-related policy development. A survey was completed by 5000 respondents from 10 states. Respondents were screened for inclusion, which included individuals ≥ 18 years of age that had received a vaccine or were unvaccinated but indicated a favorable or neutral attitude towards vaccinations. Participants were excluded if they indicated they did not support the idea of vaccinations. Questions explored perceptions of vaccines for all age groups. Among unvaccinated individuals, the most common concerns were about safety (38%). Most respondents (95%) highlighted the importance of state immunization programs for disease prevention. Access to health and immunization records and immunization information systems were important to 96% and 88% of respondents, respectively, for future health planning. Doctors and healthcare professionals (HCPs) were considered trusted sources for vaccine information (95%). Overall, respondents recognized the importance of vaccination, but documented concerns among the unvaccinated indicated a need for greater promotion regarding vaccine safety. Doctors and HCPs, as trusted information sources, should continue to and increasingly advocate for the importance of immunization to increase vaccine uptake.
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15
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Haghani M, Bliemer MCJ, de Bekker-Grob EW. Applications of discrete choice experiments in COVID-19 research: Disparity in survey qualities between health and transport fields. JOURNAL OF CHOICE MODELLING 2022; 44:100371. [PMID: 35880141 PMCID: PMC9301170 DOI: 10.1016/j.jocm.2022.100371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/31/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
Published choice experiments linked to various aspects of the COVID-19 pandemic are analysed in a rapid review. The aim is to (i) document the diversity of topics as well as their temporal and geographical patterns of emergence, (ii) compare various elements of design quality across different sectors of applied economics, and (iii) identify potential signs of convergent validity across findings of comparable experiments. Of the N = 43 published choice experiments during the first two years of the pandemic, the majority identifies with health applications (n = 30), followed by transport-related applications (n = 10). Nearly 100,000 people across the world responded to pandemic-related discrete choice surveys. Within health applications, while the dominant theme, up until June 2020, was lockdown relaxation and tracing measures, the focus shifted abruptly to vaccine preference since then. Geographical origins of the health surveys were not diverse. Nearly 50% of all health surveys were conducted in only three countries, namely US, China and The Netherlands. Health applications exhibited stronger pre-testing and larger sample sizes compared to transport applications. Limited signs of convergent validity were identifiable. Within some applications, issues of temporal instability as well as hypothetical bias attributable to social desirability, protest response or policy consequentiality seemed likely to have affected the findings. Nevertheless, very few of the experiments implemented measures of hypothetical bias mitigation and those were limited to health studies. Our main conclusion is that swift administration of pandemic-related choice experiments has overall resulted in certain degrees of compromise in study quality, but this has been more so the case in relation to transport topics than health topics.
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Affiliation(s)
- Milad Haghani
- Research Centre for Integrated Transport Innovation (rCITI), School of Civil and Environmental Engineering, The University of New South Wales, UNSW Sydney, Australia
| | - Michiel C J Bliemer
- Institute of Transport and Logistics Studies (ITLS), The University of Sydney Business School, Sydney, Australia
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16
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A Systematic Investigation of American Vaccination Preference via Historical Data. Processes (Basel) 2022. [DOI: 10.3390/pr10081665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
While COVID-19 vaccines are generally available, not all people receive vaccines. To reach herd immunity, most of a population must be vaccinated. It is, thus, important to identify factors influencing people’s vaccination preferences, as knowledge of these preferences allows for governments and health programs to increase their vaccine coverage more effectively. Fortunately, vaccination data were collected by U.S. Census Bureau in partnership with the CDC via the Household Pulse Survey (HPS) for Americans. This study presents the first analysis of the 24 vaccination datasets collected by the HPS from January 2021 to May 2022 for 250 million respondents of different ages, genders, sexual orientations, races, education statuses, marital statuses, household sizes, household income levels, and resources used for spending needs, and with different reasons for not receiving or planning to receive a vaccine. Statistical analysis techniques, including an analysis of variance (ANOVA), Tukey multiple comparisons test, and hierarchical clustering (HC), were implemented to analyze the HPS vaccination data in the R language. It was found that sexual orientation, gender, age, and education had statistically significant influences on the vaccination rates. In particular, the gay/lesbian group showed a higher vaccination rate than the straight group; the transgender group had a lower vaccination rate than either the female or the male groups; older respondents showed greater preference for vaccination; respondents with higher education levels also preferred vaccination. As for the other factors that were not significant enough to influence vaccinations in the ANOVA, notable trends were found. Asian Americans had higher vaccination rates than other races; respondents from larger household sizes had a lower chance of getting vaccinated; the unmarried group showed the lowed vaccination rate in the marital category; the respondents depending on borrowed money from the Supplemental Nutrition Assistance Program (SNAP) showed a lower vaccination rate than people with regular incomes. Concerns regarding the side-effects and the safety of the vaccines were the two major reasons for vaccination hesitance at the beginning of the pandemic, while having no trust in the vaccines and no trust in the government became more common in the later stage of the pandemic. The findings in this study can be used by governments or organizations to improve their vaccination campaigns or methods of combating future pandemics.
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17
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Perception of COVID-19 Booster Dose Vaccine among Healthcare Workers in India and Saudi Arabia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19158942. [PMID: 35897309 PMCID: PMC9332579 DOI: 10.3390/ijerph19158942] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/19/2022] [Accepted: 07/21/2022] [Indexed: 01/27/2023]
Abstract
Background: COVID-19 vaccines were made available to the public by the end of 2020. However, little is known about COVID-19 booster dose (CBD) vaccine perception among healthcare workers (HCW) worldwide. The present study aims to assess the perception of CBD vaccines among healthcare workers in India and Saudi Arabia (SA). Methods: A cross-sectional study was conducted among HCWs in two countries, India and SA. Data were gathered through the use of a self-administered questionnaire. A convenience sampling technique was utilized to collect the data. Results: A total of 833 HCW responses were collected from the two countries, with 530 participants from India and 303 participants from SA responding to the questionnaire. Among them, 16% from India and 33% from SA were unwilling to take a CBD (p < 0.005). The primary reasons for not being willing were concerns about whether the vaccine would be effective (32%) and concerns about probable long-term side effects (31%). Concerns about not knowing enough about the vaccination (30%) and the possibility of long-term side effects (28%) were the primary concerns in SA. Regression analysis showed that males, urban residents, and post-graduates were more willing to take the CBD. Conclusion: There is a good perception of CBD and some hesitancy in receiving the booster dose among HCWs in both countries. The introduction of personalized education, risk communication, and deliberate policy could help to reduce the number of people who are unwilling to take a booster shot.
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Tagini S, Brugnera A, Ferrucci R, Priori A, Compare A, Parolin L, Pravettoni G, Silani V, Poletti B. Behind the Scenes of COVID-19 Vaccine Hesitancy: Psychological Predictors in an Italian Community Sample. Vaccines (Basel) 2022; 10:vaccines10071158. [PMID: 35891322 PMCID: PMC9325138 DOI: 10.3390/vaccines10071158] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/12/2022] [Accepted: 07/18/2022] [Indexed: 12/14/2022] Open
Abstract
Psychological variables may be crucial in favoring or discouraging health-related behaviors, including vaccine acceptance. This study aimed to extend the previous literature by outlining the psychological profile associated with COVID-19 vaccine hesitancy in a sample of Italian citizens. Between April and May 2021, 1122 Italian volunteers completed a web survey on COVID-19 vaccine acceptance, also including several self-reported psychological measures. A multiple hierarchical logistic regression analysis was performed to identify the psychological variables associated with vaccine hesitancy. Low confidence in COVID-19 vaccine efficacy and safety, low collective responsibility, high complacency, and high calculation (i.e., extensive information searching, and costs–benefit estimates) predicted higher hesitancy. Our results suggest that to be effective, vaccine-related communications should be as clear, understandable, and sound as possible, preventing the spreading of misunderstandings, or even fake information, that may foster people’s insecurities and distrust. Furthermore, the advantages and necessity of vaccination, both at the individual and community-level, should be clearly emphasized. Efficacious vaccine-related communications may be crucial, not only to maintain an adequate immunity rate for COVID-19, but also to inform policymakers and public authorities in the case of possible future infectious outbreaks.
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Affiliation(s)
- Sofia Tagini
- Department of Neurology and Laboratory of Neuroscience, Istituto Auxologico Italiano, IRCCS, 20149 Milan, Italy; (V.S.); (B.P.)
- Correspondence: ; Tel.: +39-0323-514003
| | - Agostino Brugnera
- Department of Human and Social Sciences, University of Bergamo, 24129 Bergamo, Italy; (A.B.); (A.C.)
| | - Roberta Ferrucci
- Aldo Ravelli Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, International Medical School, University of Milan, 20122 Milan, Italy; (R.F.); (A.P.)
- Neurology Unit I, ASST Santi Paolo e Carlo, 20142 Milan, Italy
| | - Alberto Priori
- Aldo Ravelli Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, International Medical School, University of Milan, 20122 Milan, Italy; (R.F.); (A.P.)
- Neurology Unit I, ASST Santi Paolo e Carlo, 20142 Milan, Italy
| | - Angelo Compare
- Department of Human and Social Sciences, University of Bergamo, 24129 Bergamo, Italy; (A.B.); (A.C.)
| | - Laura Parolin
- Department of Psychology, University Milano Bicocca, 20126 Milan, Italy;
| | - Gabriella Pravettoni
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy;
- Applied Research Division for Cognitive and Psychological Science, IEO, European Institute of Oncology, IRCCS, 20141 Milan, Italy
| | - Vincenzo Silani
- Department of Neurology and Laboratory of Neuroscience, Istituto Auxologico Italiano, IRCCS, 20149 Milan, Italy; (V.S.); (B.P.)
- Dino Ferrari Center, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
| | - Barbara Poletti
- Department of Neurology and Laboratory of Neuroscience, Istituto Auxologico Italiano, IRCCS, 20149 Milan, Italy; (V.S.); (B.P.)
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19
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Incorporating Fuzzy Cognitive Inference for Vaccine Hesitancy Measuring. SUSTAINABILITY 2022. [DOI: 10.3390/su14148434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Vaccine hesitancy plays a key role in vaccine delay and refusal, but its measurement is still a challenge due to multiple intricacies and uncertainties in factors. This paper attempts to tackle this problem through fuzzy cognitive inference techniques. Firstly, we formulate a vaccine hesitancy determinants matrix containing multi-level factors. Relations between factors are formulated through group decision-making of domain experts, which results in a fuzzy cognitive map. The subjective uncertainty of linguistic variables is expressed by fuzzy numbers. A double-weighted method is designed to integrate the distinguished decisions, in which the subjective hesitancy is considered for each decision. Next, three typical scenarios are constructed to identify key and sensitive factors under different experimental conditions. The experimental results are further discussed, which enrich the approaches of vaccine hesitancy estimation for the post-pandemic global recovery.
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Determining the Prevalence and Correlates of COVID-19 Booster Vaccine Hesitancy in the Singapore Population Following the Completion of the Primary Vaccination Series. Vaccines (Basel) 2022; 10:vaccines10071088. [PMID: 35891252 PMCID: PMC9316882 DOI: 10.3390/vaccines10071088] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 12/20/2022] Open
Abstract
In response to declining vaccine-induced immunity and the emergence of new COVID-19 variants, COVID-19 booster vaccination programmes have been widely launched in several high-income countries. However, public response has been slow, and scepticism about these programmes is rising in these settings. This study sought to identify the sociodemographic, emotional, and psychological factors associated with COVID-19 booster vaccine hesitancy in Singapore. Derived from a community cohort, 1005 fully vaccinated adults (62.1% female, mean age = 42.6 years) that had not received their COVID-19 booster shots completed an online survey between October and November 2021 on vaccination beliefs, intentions, and behaviours. Results indicated that despite completing the primary COVID-19 vaccination, 30.5% of those surveyed were hesitant about receiving the booster shot (25.9% unsure; 4.7% refused the booster), and 39.2% perceived more vaccine risks than benefits. Multivariable models indicated that a tertiary education, lower COVID-19 threat perception, lower perceived benefits, higher perceived concerns, a decreased need for booster vaccination, and a lower benefit/concerns differential score were associated with higher odds of booster vaccine hesitancy. Success in the primary vaccination series may not warrant widespread public acceptance for recurrent COVID-19 vaccination doses. In addressing booster vaccine hesitancy as restrictive measures and mandates are lifted, health perceptions relevant or unique to booster vaccine uptake should be considered.
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21
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Zhang Y, Liu T, He Z, Chan SN, Akinwunmi B, Huang J, Wong TH, Zhang CJP, Ming WK. The Preferences for Attributes of Initial COVID-19 Diagnosis in the US and China during the Pandemic: A Discrete Choice Experiment with Propensity Score Matching. JMIR Public Health Surveill 2022; 8:e37422. [PMID: 35759683 PMCID: PMC9384860 DOI: 10.2196/37422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 05/14/2022] [Accepted: 06/23/2022] [Indexed: 11/13/2022] Open
Abstract
Background China and the United States play critical leading roles in the global effort to contain the COVID-19 virus. Therefore, their population’s preferences for initial diagnosis were compared to provide policy and clinical insights. Objective We aim to quantify and compare the public’s preferences for medical management of fever and the attributes of initial diagnosis in the case of presenting symptoms during the COVID-19 pandemic in China and the United States. Methods We conducted a cross-sectional study from January to March 2021 in China and the United States using an online discrete choice experiment (DCE) questionnaire distributed through Amazon Mechanical Turk (MTurk; in the United States) and recruited volunteers (in China). Propensity score matching (PSM) was used to match the 2 groups of respondents from China and the United States to minimize confounding effects. In addition, the respondents’ preferences for different diagnosis options were evaluated using a mixed logit model (MXL) and latent class models (LCMs). Moreover, demographic data were collected and compared using the chi-square test, Fisher test, and Mann-Whitney U test. Results A total of 9112 respondents (5411, 59.4%, from China and 3701, 40.6%, from the United States) who completed our survey were included in our analysis. After PSM, 1240 (22.9%) respondents from China and 1240 (33.5%) from the United States were matched for sex, age, educational level, occupation, and annual salary levels. The segmented sizes of 3 classes of respondents from China were 870 (70.2%), 270 (21.8%), and 100 (8.0%), respectively. Meanwhile, the US respondents’ segmented sizes were 269 (21.7%), 139 (11.2%), and 832 (67.1%), respectively. Respondents from China attached the greatest importance to the type of medical institution (weighted importance=40.0%), while those from the United States valued the waiting time (weighted importance=31.5%) the most. Respondents from China preferred the emergency department (coefficient=0.973, reference level: online consultation) and fever clinic (a special clinic for the treatment of fever patients for the prevention and control of acute infectious diseases in China; coefficient=0.974, reference level: online consultation), while those from the United States preferred private clinics (general practices; coefficient=0.543, reference level: online consultation). Additionally, shorter waiting times, COVID-19 nucleic acid testing arrangements, higher reimbursement rates, and lower costs were always preferred. Conclusions Improvements in the availability of COVID-19 testing and medical professional skills and increased designated health care facilities may help boost potential health care seeking during COVID-19 and prevent unrecognized community spreading of SARS-CoV-2 in China and the United States. Moreover, to better prevent future waves of pandemics, identify undiagnosed patients, and encourage those undiagnosed to seek health care services to curb the pandemic, the hierarchical diagnosis and treatment system needs improvement in China, and the United States should focus on reducing diagnosis costs and raising the reimbursement rate of medical insurance.
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Affiliation(s)
- Yimin Zhang
- School of Medicine, Jinan University, Guangzhou, CN
| | - Taoran Liu
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Room 1A-503, 5/F, Block 1, To Yuen Building, 31 To Yuen Street, Hong Kong, HK
| | - Zonglin He
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong, HK
| | - Sze Ngai Chan
- Department of Obstetrics and Gynaecology, First Affiliated Hospital of Jinan University, First Affiliated Hospital of Jinan University, Guangzhou, CN
| | - Babatunde Akinwunmi
- Department of Obstetrics and Gynecology, Brigham and Women's Hospital Boston, Boston, US.,Center for Genomic Medicine (CGM), Massachusetts General Hospital, Harvard Medical School Harvard University, Boston, US
| | - Jian Huang
- Singapore Institute for Clinical Sciences (SICS), Agency for Science, Technology and Research (A*STAR), Singapore, SG
| | - Tak-Hap Wong
- Department of Obstetrics and Gynecology, The first Affiliated Hospital of Jinan University, Guangzhou, CN
| | - Casper J P Zhang
- School of Public Health, The University of Hong Kong, Hong Kong, HK
| | - Wai-Kit Ming
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Room 1A-503, 5/F, Block 1, To Yuen Building, 31 To Yuen Street, Hong Kong, HK
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22
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Li YS, Wang R, Deng YQ, Jia XR, Li SP, Zhao LP, Sun XY, Qi F, Wu YB. Influence factors analysis of COVID-19 Prevention behavior of chinese Citizens: a path analysis based on the hypothetical model. BMC Public Health 2022; 22:1098. [PMID: 35650608 PMCID: PMC9159041 DOI: 10.1186/s12889-022-13514-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 04/28/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Under the outbreak of Coronavirus disease 2019 (COVID-19), a structural equation model was established to determine the causality of important factors that affect Chinese citizens' COVID-19 prevention behavior. METHODS The survey in Qingdao covered several communities in 10 districts and used the method of cluster random sampling. The research instrument used in this study is a self-compiled Chinese version of the questionnaire. Of the 1215 questionnaires, 1188 were included in our analysis. We use the rank sum test, which is a non-parametric test, to test the influence of citizens'basic sociodemographic variables on prevention behavior, and the rank correlation test to analyze the influencing factors of prevention behavior. IBM AMOS 24.0 was used for path analysis, including estimating regression coefficients and evaluating the statistical fits of the structural model, to further explore the causal relationships between variables. RESULTS The result showed that the score in the prevention behavior of all citizens is a median of 5 and a quartile spacing of 0.31. The final structural equation model showed that the external support for fighting the epidemic, the demand level of health information, the cognition of (COVID-19) and the negative emotions after the outbreak had direct effects on the COVID-19 prevention behavior, and that negative emotions and information needs served as mediating variables. CONCLUSIONS The study provided a basis for relevant departments to further adopt epidemic prevention and control strategies.
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Affiliation(s)
- Yun-Shan Li
- School Of Public Health, Shandong University, 250012, Shandong, China
| | - Rui Wang
- Center for Disease Control and Prevention of Qingdao, 175 Shandong Road, 266033, Shandong, China
| | - Yu-Qian Deng
- Xiangya School of Nursing, Central South University, 410000, Changsha, China
| | - Xiao-Rong Jia
- Center for Disease Control and Prevention of Qingdao, 175 Shandong Road, 266033, Shandong, China
| | - Shan-Peng Li
- Center for Disease Control and Prevention of Qingdao, 175 Shandong Road, 266033, Shandong, China
| | - Li-Ping Zhao
- The Second Xiangya Hospital, Central South University, 410000, Changsha, China
| | - Xin-Ying Sun
- School of Public Health, Peking University, 38 Xueyuan Road, Haidian District, 100191, Beijing, China
| | - Fei Qi
- Center for Disease Control and Prevention of Qingdao, 175 Shandong Road, 266033, Shandong, China.
| | - Yi-Bo Wu
- School of Public Health, Peking University, 38 Xueyuan Road, Haidian District, 100191, Beijing, China. .,Key Research Base of Philosophy and Social Sciences in Shaanxi Province, Health Culture Research Center of Shaanxi, 712046, Xi'an, China.
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Acceptance of and Preference for COVID-19 Vaccination in India, the United Kingdom, Germany, Italy, and Spain: An International Cross-Sectional Study. Vaccines (Basel) 2022; 10:vaccines10060832. [PMID: 35746440 PMCID: PMC9230582 DOI: 10.3390/vaccines10060832] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/13/2022] [Accepted: 05/13/2022] [Indexed: 02/01/2023] Open
Abstract
Objective: India and Europe have large populations, a large number of Coronavirus disease 2019 (COVID-19) cases, and different healthcare systems. This study aims to investigate the differences between the hesitancy toward and preference for COVID-19 vaccines in India and four European countries, namely, the United Kingdom (UK), Germany, Italy, and Spain. Methodology: We conducted a cross-national survey for distribution in India, the UK, Germany, Italy, and Spain. More specifically, a discrete choice experiment (DCE) was conducted to evaluate vaccine preferences, and Likert scales were used to probe the underlying factors that contribute to vaccination acceptance. Propensity score matching (PSM) was performed to directly compare India and European countries. Results: A total of 2565 respondents (835 from India and 1730 from the specified countries in Europe) participated in the survey. After PSM, more than 82.5% of respondents from India positively accepted the COVID-19 vaccination, whereas 79.9% of respondents from Europe had a positive attitude; however, the proportion in Europe changed to 81.6% in cases in which the vaccine was recommended by friends, family, or employers. The DCE found that the COVID-19 vaccine efficacy was the most important factor for respondents in India and the four European nations (41.8% in India and 47.77% in Europe), followed by the vaccine cost (28.06% in India and 25.88% in Europe). Conclusion: Although most respondents in both regions showed high acceptance of COVID-19 vaccines, either due to general acceptance or acceptance as a result of social cues, the vaccination coverage rate shows apparent distinctions. Due to the differences in COVID-19 situations, public health systems, cultural backgrounds, and vaccine availability, the strategies for COVID-19 vaccine promotion should be nation-dependent.
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Self-Reported COVID-19 Vaccine Hesitancy and Willingness to Pay: A Cross-Sectional Survey in Thailand. Vaccines (Basel) 2022; 10:vaccines10040627. [PMID: 35455376 PMCID: PMC9031534 DOI: 10.3390/vaccines10040627] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/04/2022] [Accepted: 04/12/2022] [Indexed: 02/04/2023] Open
Abstract
This study aimed to estimate the prevalence and influencing factors of COVID-19 vaccine hesitancy and willingness to pay in Thailand. A descriptive cross-sectional study was conducted from 13 September 2021 to 14 January 2022. Data were collected using an online questionnaire consisting of demographic characteristics, COVID-19 vaccine hesitancy (delay in acceptance and denying vaccination), determinants of vaccine hesitancy (complacency, convenience, and confidence), and willingness to pay. The general Thai population aged ≥18 years were surveyed. Among 705 respondents, 10.4% reported hesitancy, with significant determinants being low complacency and confidence in the vaccine; low convenience was not a significant determinant. Multivariate analysis revealed vaccine hesitancy among women, those with higher education, non-healthcare workers, and those who lived in rural areas. Furthermore, 77.2% of respondents were willing to pay, with the majority willing to pay in the range of THB 501-1000 ( USD 1 = THB 33) per dose. Increased monthly income, no impact of COVID-19 on income, and time period (before mRNA vaccine availability) significantly affected willingness to pay.
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Zhang J, Ge P, Li X, Yin M, Wang Y, Ming W, Li J, Li P, Sun X, Wu Y. Personality Effects on Chinese Public Preference for the COVID-19 Vaccination: Discrete Choice Experiment and Latent Profile Analysis Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:4842. [PMID: 35457708 PMCID: PMC9031452 DOI: 10.3390/ijerph19084842] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 04/12/2022] [Indexed: 02/04/2023]
Abstract
Objective: This study aims to investigate the differences in public vaccination preference for the COVID-19 vaccine with different personality characteristics. Methods: Based on the Big Five Personality Inventory (BFI-10), a total of 1200 respondents were categorized by personality characteristics using Latent Profile Analysis (LPA). The preference of members the public with different personality characteristics for COVID-19 vaccination was investigated based on a discrete choice experiment (DCE). Results: All respondents were divided into three groups, named the General and Stable type (79.67%), Conscientious and Agreeable type (9.5%), and Open and Extroverted type (10.83%). For the percentage importance of vaccine attributes, both the General and Stable type and Conscientious and Agreeable type respondents considered cost to be the most important (41.93% and 34.95% respectively). However, the Open and Extroverted type respondents considered efficacy as the most important (31.05%). In our conditional logit model (CLOGIT), for vaccine adverse effects, the General and Stable type and Conscientious and Agreeable type respondents preferred "very mild", while the Open and Extroverted type preferred "mild" (OR:1.108, 95%CI 0.977-1.256). The Open and Extroverted type had a higher willingness to pay (WTP) for the most preferred vaccine level compared to the other types. Conclusions: The Open and Extroverted respondents have the highest willingness to vaccinate. The General and Stable type and Conscientious and Agreeable respondents think that the cost of the vaccine is the most important attribute, and prefer the mildest side effects. The Open and Extroverted type think that vaccine efficacy is the most important attribute, prefer "mild" side effects, and have higher willingness to pay for their favorite vaccine level.
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Affiliation(s)
- Jinzi Zhang
- School of Humanities and Social Sciences, Harbin Medical University, Harbin 150081, China; (J.Z.); (M.Y.); (Y.W.)
| | - Pu Ge
- Institute of Chinese Medical Sciences, University of Macau, Macau 999078, China;
| | - Xialei Li
- School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China;
| | - Mei Yin
- School of Humanities and Social Sciences, Harbin Medical University, Harbin 150081, China; (J.Z.); (M.Y.); (Y.W.)
| | - Yujia Wang
- School of Humanities and Social Sciences, Harbin Medical University, Harbin 150081, China; (J.Z.); (M.Y.); (Y.W.)
| | - Waikit Ming
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong 999077, China;
| | - Jinhui Li
- School of Journalism and Communication, Jinan University, Guangzhou 510632, China;
| | - Pei Li
- Hong Kong Institute of Health Education, Hong Kong 999077, China;
| | - Xinying Sun
- School of Public Health, Peking University, Beijing 100191, China
| | - Yibo Wu
- School of Public Health, Peking University, Beijing 100191, China
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Cadeddu C, Regazzi L, Bonaccorsi G, Rosano A, Unim B, Griebler R, Link T, De Castro P, D’Elia R, Mastrilli V, Palmieri L. The Determinants of Vaccine Literacy in the Italian Population: Results from the Health Literacy Survey 2019. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084429. [PMID: 35457297 PMCID: PMC9029177 DOI: 10.3390/ijerph19084429] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/29/2022] [Accepted: 03/31/2022] [Indexed: 01/06/2023]
Abstract
Vaccines are among the most important public health achievements of the last century; however, vaccine awareness and uptake still face significant challenges and the COVID-19 pandemic has only exacerbated this phenomenon. Vaccine Literacy (VL) is the ability to find, understand and judge immunisation-related information to make appropriate immunisation decisions. A cross-sectional study on a sample of 3500 participants, representative of the Italian adult population aged 18+ years, was conducted in Italy in 2021. A validated questionnaire, including sections on health literacy (HL), sociodemographic characteristics, risk factors, and lifestyles of respondents, was used. VL was measured by four items (item 19, 22, 26 and 29) of the HL section. While 67.6% of the respondents had a “good” (47.5%) or “sufficient” (20.1%) level of VL, 32.4% had “limited” VL levels. Although the overall VL level was quite high, many participants reported difficulties in dealing with vaccination information, particularly those with a lower educational level, those living in southern and insular regions of Italy, those with greater financial deprivation and those with a migration background. Improving VL in Italy should be a top priority in the political agenda, with special regard to socially and geographically disadvantaged communities.
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Affiliation(s)
- Chiara Cadeddu
- Department of Life Sciences and Public Health, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (C.C.); (L.R.)
| | - Luca Regazzi
- Department of Life Sciences and Public Health, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (C.C.); (L.R.)
| | | | - Aldo Rosano
- National Institute for the Analysis of Public Policy, 00198 Rome, Italy;
| | - Brigid Unim
- Department of Cardiovascular, Endocrine-Metabolic Diseases and Aging, Italian National Institute of Health, 00162 Rome, Italy;
| | - Robert Griebler
- Competence Centre Health Promotion and Health System, Austrian National Public Health Institute, A-1010 Vienna, Austria; (R.G.); (T.L.)
| | - Thomas Link
- Competence Centre Health Promotion and Health System, Austrian National Public Health Institute, A-1010 Vienna, Austria; (R.G.); (T.L.)
| | - Paola De Castro
- Scientific Communication Unit, Italian National Institute of Health, 00161 Rome, Italy;
| | - Roberto D’Elia
- Ministry of Health, Viale Giorgio Ribotta, 5, 00144 Rome, Italy; (R.D.); (V.M.)
| | - Valeria Mastrilli
- Ministry of Health, Viale Giorgio Ribotta, 5, 00144 Rome, Italy; (R.D.); (V.M.)
| | - Luigi Palmieri
- Department of Cardiovascular, Endocrine-Metabolic Diseases and Aging, Italian National Institute of Health, 00162 Rome, Italy;
- Correspondence:
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Ophir Y, Walter N, Walter D, Velho RM, Lokmanoglu AD, Pruden ML, Andrews EA. Vaccine Hesitancy Under the Magnifying Glass: A Systematic Review of the Uses and Misuses of an Increasingly Popular Construct. HEALTH COMMUNICATION 2022:1-15. [PMID: 35361020 DOI: 10.1080/10410236.2022.2054102] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Resistance to vaccines has hindered attempts to contain and prevent outbreaks of infectious diseases for centuries. More recently, however, the term "vaccine hesitancy" has been used to describe not necessarily outright resistance but also a delay in acceptance or uncertainty regarding vaccines. Given concerns about hesitancy and its impact on vaccine uptake rates, researchers increasingly shifted the focus from resistance to vaccines toward vaccine hesitancy. Acknowledging the urgency to accurately assess the phenomenon, it is critical to understand the state of the literature, focusing on issues of conceptualization and operationalization. To carry out this systematic review, we collected and analyzed all published empirical articles from 2000 to 2021 that explicitly included quantitative self-report measures of vaccine hesitancy (k = 86). Using a mixed-method approach, the review demonstrates and quantifies crucial inconsistencies in the measurement of the construct, lack of clarity in regard to the determination of who should or should not be defined as hesitant, and overreliance on unrepresentative samples. Crucially, our analysis points to a potential systematic bias toward exaggerating the level of hesitancy in the population. Modeling a vaccine hesitancy co-citation network, the analysis also points to the existence of insular academic silos that make it harder to achieve a unified measurement tool. Theoretical and practical implications for academics, practitioners, and policymakers are discussed.
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Affiliation(s)
- Yotam Ophir
- Department of Communication, University at Buffalo, State University of New York
| | - Nathan Walter
- Department of Communication Studies, Northwestern University
| | - Dror Walter
- Department of Communication, Georgia State University
| | - Raphaela M Velho
- Department of Communication, University at Buffalo, State University of New York
| | | | - Meredith L Pruden
- Center for Information, Technology and Public Life, University of North Carolina at Chapel Hill
| | - Emily A Andrews
- Department of Communication Studies, Northwestern University
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Individual Preferences for COVID-19 Vaccination under the China’s 2021 National Vaccination Policy: A Discrete Choice Experiment Study. Vaccines (Basel) 2022; 10:vaccines10040543. [PMID: 35455292 PMCID: PMC9028934 DOI: 10.3390/vaccines10040543] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 12/23/2022] Open
Abstract
(1) Background: Since China’s national vaccination policy announcement in January 2021, individual vaccination preferences related to vaccine characteristics, social relationships, sociodemographic characteristics and cognition remain opaque. This study aims to investigate vaccination preferences regarding these attributes, and to assess changes in individual vaccine preferences since the pre-2021 emergency vaccination phase. (2) Methods: The two-part questionnaire surveyed 849 individuals between May and June 2021 in Qingdao, China. The survey contained eight binary choice tasks that investigated preference trade-offs. Respondents’ sociodemographic characteristics, including age, sex, urban/rural residence, income, education and whether living with the young or old, were also collected. Conditional logit, mixed logit and latent class models were used to quantify preference utility and identify preference heterogeneity. (3) Results: Vaccine effectiveness, vaccine side effects, duration of protection and probability of infection all significantly affected vaccination utility. Preference heterogeneity based on individual social relationships and sociodemographic characteristics were also established. Marginal analysis showed that compared to the pre-2021 phase, individuals’ preferences had shifted towards vaccines with longer protection periods and better accessibility. (4) Conclusion: This study will inform the full rollout of China’s 2021 national vaccination program and provide valuable information for future vaccination policy design to meet resurgent COVID-19 risks.
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Tocco Tussardi I, Tardivo S. Improving Risk Management by Learning from Adverse Events: Report on One Year of COVID-19 Vaccination Campaign in Verona (Northeastern Italy). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063635. [PMID: 35329322 PMCID: PMC8953314 DOI: 10.3390/ijerph19063635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 02/01/2023]
Abstract
Background: The COVID-19 mass vaccination campaign posed new challenges not only from a healthcare perspective, but also in terms of distribution, logistics, and organization. Managing clinical risk in off-site vaccination centers during a pandemic provided a new opportunity for the training and acquisition of competencies through continuous learning from adverse events. The aim of this report, based on a review of activity, was to identify the most recurrent and high-risk failures of the vaccination process in a mass vaccination center. Methods: Adverse events and near misses reported during the first 11 months of activity (February 2021–January 2022) in the mass vaccination center of Verona (Italy) were evaluated. Results: From 15 February 2021 to 17 January 2022 the center administered about 460,000 doses to the population and nine adverse events and one near miss were reported. Most of the events were errors in vaccine administration, either in principle, dosage, or timing with respect to the indicated schedule. All events had minor outcomes. Communication errors, inadequate training, and general organizational issues were the most recurrent factors contributing to the events. Conclusions: Risk mitigation during mass vaccination in temporary sites is an essential element of a successful vaccination campaign. The reporting of adverse events should be encouraged in order to obtain as much information as possible for a continuous improvement of the activity.
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Nour R, Powell L, Alnakhi WK, Mamdouh H, Zidoun Y, Hussain HY, Al Suwaidi H, Zary N. Adult Vaccine Hesitancy Scale in Arabic and French: Protocol for the translation and validation in the WHO EMRO region. JMIR Res Protoc 2022; 11:e36928. [PMID: 35247043 PMCID: PMC9007230 DOI: 10.2196/36928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/05/2022] [Accepted: 03/05/2022] [Indexed: 01/22/2023] Open
Abstract
Background The world as we know it changed during the COVID-19 pandemic. Hope has emerged with the development of new vaccines against the disease. However, many factors hinder vaccine uptake and lead to vaccine hesitancy. Understanding the factors affecting vaccine hesitancy and how to assess its prevalence have become imperative amid the COVID-19 pandemic. The vaccine hesitancy scale (VHS), developed by the World Health Organization (WHO) Strategic Advisory Group of Experts on Immunization, has been modified to the adult VHS (aVHS) and validated in English and Chinese. To our knowledge, no available aVHS has been designed or validated in Arabic or French. Objective The aim of this research is to translate the aVHS from its original English language to Arabic and French and validate the translations in the WHO Eastern Mediterranean region. Methods The study will follow a cross-sectional design divided into 5 phases. In phase 1, the original aVHS will be forward-translated to Arabic and French, followed by backward translation to English. An expert committee will review and rate all versions of the translations. Expert agreement will then be measured using the Cohen kappa coefficient (k). In phase 2, the translated aVHS will be pilot-tested with 2 samples of participants (n=100): a group that speaks both Arabic and English and another that speaks French and English. Participants’ responses to the English version will also be collected. In phase 3, responses will then be compared. Descriptive statistics and paired t tests or one-way analyses of variance (ANOVA) and Pearson correlation coefficient will be used in the preliminary validation. In phase 4, prefinal versions (Arabic and French) will be tested with larger sample sizes of Arabic speakers (n=1000) and French speakers (n=1000). Sociodemographic information and vaccination status will be collected and used for further analysis. In phase 5, the scale's statistical reliability and internal consistency will be measured using Cronbach alpha. An exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) will be used to examine the model fit resulting from the EFA. ANOVA and regression models will be constructed to control for confounders. All data will be electronically collected. Results As of January 2022, the scale had been translated to Arabic and French and was undergoing the process of back translation. All data collection tools have been prepared (ie, sociodemographics, vaccination status, and open-ended questions) and are ready to go into their electronic formats. We expect to reach the desired sample size in this phase by June 2022. Conclusions This study will provide researchers with a validated tool to assess adult vaccine hesitancy within populations that speak Arabic and/or French and provide a road map to scale translation and ensure cross-cultural adaptation. International Registered Report Identifier (IRRID) PRR1-10.2196/36928
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Affiliation(s)
- Radwa Nour
- Institute for Excellence in Health Professions Education, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, AE
| | - Leigh Powell
- Institute for Excellence in Health Professions Education, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, AE
| | - Wafa K Alnakhi
- Department of Data Analysis, Research and Studies, Dubai Health Authority, Dubai, AE
| | - Heba Mamdouh
- Department of Data Analysis, Research and Studies, Dubai Health Authority, Dubai, AE
| | - Youness Zidoun
- Institute for Excellence in Health Professions Education, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, AE
| | - Hamid Y Hussain
- Department of Data Analysis, Research and Studies, Dubai Health Authority, Dubai, AE
| | - Hanan Al Suwaidi
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, AE
| | - Nabil Zary
- Institute for Excellence in Health Professions Education, Mohammed Bin Rashid University of Medicine and Health Sciences, Building 14, Dubai Healthcare CityP.O Box 505055, Dubai, AE
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Wang Y, Liu Y. Multilevel determinants of COVID-19 vaccination hesitancy in the United States: A rapid systematic review. Prev Med Rep 2022; 25:101673. [PMID: 34934611 PMCID: PMC8675390 DOI: 10.1016/j.pmedr.2021.101673] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/05/2021] [Accepted: 12/12/2021] [Indexed: 01/10/2023] Open
Abstract
Vaccine hesitancy is a challenge for the success and optimal implementation of COVID-19 immunization programs in the US. The objective of this study was to summarize multilevel determinants of COVID-19 vaccination intention in the US to inform future intervention opportunities. To this end, we conducted a rapid systematic review by searching published articles via PubMed published by October 5, 2021, following the PRISMA guidelines. One hundred and six articles were included. According to nationally representative studies, the overall COVID-19 acceptance rate ranges from 53.6% to 84.4%. Individual (demographics, health history, behaviors and health beliefs), interpersonal (having a close friend/family member impacted by COVID-19), healthcare and societal level factors (healthcare provider recommendations, source/credential of COVID-19 related information, and COVID-19 related conspiracy theories) all contributed to COVID-19 vaccine hesitancy in the US. This study demonstrates that the acceptance to COVID-19 vaccines is influenced by various factors, particularly the role of healthcare providers in enhancing public intent to vaccination. Potential interventions to mitigate people's concerns over the vaccines and address vaccine-related conspiracy/misinformation from social media are also critical to encourage vaccine uptake in the US.
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Affiliation(s)
- Ying Wang
- Department of Public Health Sciences, University of Rochester Medical Center, 265 Crittenden Blvd, BOX 420644, Rochester, NY 14642, USA
| | - Yu Liu
- Department of Public Health Sciences, University of Rochester Medical Center, 265 Crittenden Blvd, BOX 420644, Rochester, NY 14642, USA
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32
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Norhayati MN, Che Yusof R, Azman YM. Systematic Review and Meta-Analysis of COVID-19 Vaccination Acceptance. Front Med (Lausanne) 2022; 8:783982. [PMID: 35155467 PMCID: PMC8828741 DOI: 10.3389/fmed.2021.783982] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 12/28/2021] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION Vaccination is an essential intervention to curb the coronavirus disease 2019 (COVID-19) pandemic. This review aimed to estimate the pooled proportion of COVID-19 vaccine acceptance worldwide. METHODS A systematic search of the MEDLINE (PubMed) database using "COVID-19," "vaccine" and "acceptance" to obtain original research articles published between 2020 and July 2021. Only studies with full text and that were published in English were included. The Joanna Briggs Institute meta-analysis was used to assess the data quality. The meta-analysis was performed using generic inverse variance with a random-effects model using the Review Manager software. RESULTS A total of 172 studies across 50 countries worldwide were included. Subgroup analyses were performed with regard to vaccine acceptance, regions, population, gender, vaccine effectiveness, and survey time. The pooled proportion of COVID-19 vaccine acceptance was 61% (95% CI: 59, 64). It was higher in Southeast Asia, among healthcare workers, in males, for vaccines with 95% effectiveness, and during the first survey. CONCLUSION COVID-19 vaccine acceptance needs to be increased to achieve herd immunity to protect the population from the disease. It is crucial to enhance public awareness of COVID-19 vaccination and improve access to vaccines. SYSTEMATIC REVIEW REGISTRATION PROSPERO 2021, identifier CRD42021268645.
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Affiliation(s)
- Mohd Noor Norhayati
- Department of Family Medicine, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Ruhana Che Yusof
- Department of Family Medicine, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Yacob Mohd Azman
- Medical Practice Division, Ministry of Health, Federal Government Administrative Centre, Putrajaya, Malaysia
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Sallam M, Al-Sanafi M, Sallam M. A Global Map of COVID-19 Vaccine Acceptance Rates per Country: An Updated Concise Narrative Review. J Multidiscip Healthc 2022; 15:21-45. [PMID: 35046661 PMCID: PMC8760993 DOI: 10.2147/jmdh.s347669] [Citation(s) in RCA: 135] [Impact Index Per Article: 67.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/17/2021] [Indexed: 01/09/2023] Open
Abstract
The delay or refusal of vaccination, which defines vaccine hesitancy, is a major challenge to successful control of COVID-19 epidemic. The huge number of publications addressing COVID-19 vaccine hesitancy necessitates periodic review to provide a concise summary of COVID-19 vaccine acceptance rates worldwide. In the current narrative review, data on COVID-19 vaccine acceptance rates were retrieved from surveys in 114 countries/territories. In East and Southern Africa (n = 9), the highest COVID-19 vaccine acceptance rate was reported in Ethiopia (92%), while the lowest rate was reported in Zimbabwe (50%). In West/Central Africa (n = 13), the highest rate was reported in Niger (93%), while the lowest rate was reported in Cameroon (15%). In Asia and the Pacific (n = 16), the highest rates were reported in Nepal and Vietnam (97%), while the lowest rate was reported in Hong Kong (42%). In Eastern Europe/Central Asia (n = 7), the highest rates were reported in Montenegro (69%) and Kazakhstan (64%), while the lowest rate was reported in Russia (30%). In Latin America and the Caribbean (n = 20), the highest rate was reported in Mexico (88%), while the lowest rate was reported in Haiti (43%). In the Middle East/North Africa (MENA, n = 22), the highest rate was reported in Tunisia (92%), while the lowest rate was reported in Iraq (13%). In Western/Central Europe and North America (n = 27), the highest rates were reported in Canada (91%) and Norway (89%), while the lowest rates were reported in Cyprus and Portugal (35%). COVID-19 vaccine acceptance rates ≥60% were seen in 72/114 countries/territories, compared to 42 countries/territories with rates between 13% and 59%. The phenomenon of COVID-19 vaccine hesitancy appeared more pronounced in the MENA, Europe and Central Asia, and Western/Central Africa. More studies are recommended in Africa, Eastern Europe and Central Asia to address intentions of the general public to get COVID-19 vaccination.
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Affiliation(s)
- Malik Sallam
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, the University of Jordan, Amman, Jordan
- Department of Clinical Laboratories and Forensic Medicine, Jordan University Hospital, Amman, Jordan
- Department of Translational Medicine, Faculty of Medicine, Lund University, Malmö, Sweden
| | - Mariam Al-Sanafi
- Department of Pharmacy Practice, Faculty of Pharmacy, Kuwait University, Kuwait City, Kuwait
- Department of Pharmaceutical Sciences, Public Authority for Applied Education and Training, College of Health Sciences, Safat, Kuwait
| | - Mohammed Sallam
- Department of Pharmacy, Mediclinic Welcare Hospital, Mediclinic Middle East, Dubai, United Arab Emirates
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Ohta R, Sano C. Severe Immune Thrombocytopenic Purpura Following Influenza Vaccination: A Case Report. Cureus 2022; 14:e21250. [PMID: 35186538 PMCID: PMC8844186 DOI: 10.7759/cureus.21250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/14/2022] [Indexed: 11/05/2022] Open
Abstract
Immune thrombocytopenia (ITP) is a rare, acquired bleeding disorder caused by various underlying etiologies. ITP can be triggered by medication, infections, cancers, and autoimmune diseases. One of the rare triggers is vaccination. As in many cases, the symptoms are mild and the cause is idiopathic, and it may not be diagnosed without extensive investigations. It can also be difficult to differentiate between medication-induced thrombocytopenia and ITP, particularly in older patients with multiple comorbidities and receiving multiple medications. Here, we describe an older patient with acute onset ITP following influenza vaccination. An 88-year-old man presented with complaints of systemic itchiness and bleeding from his mouth. Four days prior to the symptoms appearing, he had received an influenza vaccine and did not experience any severe pain or anaphylactic symptoms. On presentation, he had multiple bleeding blisters and systemic petechiae. Blood tests revealed a platelet count of 1000/µL. A month prior, his platelet count was 1.5×105/µL. The blood culture results were negative and a bone marrow biopsy revealed multiple megakaryocytes, without blastocytes or evidence of hemophagocytosis. The patient was diagnosed with influenza vaccine-induced severe ITP and was treated with intravenous high-dose prednisolone. Although vaccine-related ITP is rare, in patients with systemic symptoms, primary care physicians should perform systematic physical examinations to detect any hemorrhage, as ITP is a possibility.
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Affiliation(s)
- Ryuichi Ohta
- Communiy Care, Unnan City Hospital, Unnan, Shimane, JPN
| | - Chiaki Sano
- Community Medicine Management, Shimane University Faculty of Medicine, Izumo, JPN
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Zhang N, Liu X, Jin T, Zhao P, Miao D, Lei H, Su B, Xue P, Xie J, Li Y. Weakening personal protective behavior by Chinese university students after COVID-19 vaccination. BUILDING AND ENVIRONMENT 2021; 206:108367. [PMID: 34566244 PMCID: PMC8450227 DOI: 10.1016/j.buildenv.2021.108367] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 05/14/2023]
Abstract
Personal protective behaviors and their dynamic change are known to play a major role in the community spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causal pathogen of the coronavirus disease 2019 (COVID-19) pandemic. In this study, a total of 3229 students in Chinese universities completed an online survey about their knowledge on transmission and personal protective behavior before and after COVID-19 vaccination. Of the respondents, 87.6% had been vaccinated. Most students believed that the large droplet (97.0%) and short-range airborne (89.3%) routes were the two most likely SARS-CoV-2 transmission routes, whereas only 24.1% considered long-range airborne transmission to be possible. Students who would be expected to possess better knowledge about virus transmission (e.g., students of medicine) reported better personal protective behaviors. Female students reported relatively better personal hygiene practices than male students, so did the confident students than their diffident peers. Students washed their hands on average of 5.76 times per day during the pandemic. Students at universities in southern regions washed their hands more frequently but paid less attention to indoor ventilation than did their northern counterparts. Interestingly, students who are fear of being infected had the bad personal hygiene. University students wore 22% less masks in public indoor environments after vaccination. Chinese university students weakened their personal protective behavior after vaccination and it may increase the potential risk of infection in the new waves of variant virus (e.g. delta).
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Affiliation(s)
- Nan Zhang
- Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, China
| | - Xiyue Liu
- Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, China
| | - Tianyi Jin
- Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, China
| | - Pengcheng Zhao
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, SAR, China
| | - Doudou Miao
- Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, China
| | - Hao Lei
- School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China
| | - Boni Su
- China Electric Power Planning & Engineering Institute, Beijing, China
| | - Peng Xue
- Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, China
| | - Jingchao Xie
- Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, China
| | - Yuguo Li
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, SAR, China
- School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, SAR, China
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Yasmin F, Najeeb H, Moeed A, Naeem U, Asghar MS, Chughtai NU, Yousaf Z, Seboka BT, Ullah I, Lin CY, Pakpour AH. COVID-19 Vaccine Hesitancy in the United States: A Systematic Review. Front Public Health 2021; 9:770985. [PMID: 34888288 PMCID: PMC8650625 DOI: 10.3389/fpubh.2021.770985] [Citation(s) in RCA: 176] [Impact Index Per Article: 58.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 11/01/2021] [Indexed: 11/23/2022] Open
Abstract
Vaccine hesitancy in the US throughout the pandemic has revealed inconsistent results. This systematic review has compared COVID-19 vaccine uptake across US and investigated predictors of vaccine hesitancy and acceptance across different groups. A search of PUBMED database was conducted till 17th July, 2021. Articles that met the inclusion criteria were screened and 65 studies were selected for a quantitative analysis. The overall vaccine acceptance rate ranged from 12 to 91.4%, the willingness of studies using the 10-point scale ranged from 3.58 to 5.12. Increased unwillingness toward COVID-19 vaccine and Black/African Americans were found to be correlated. Sex, race, age, education level, and income status were identified as determining factors of having a low or high COVID-19 vaccine uptake. A change in vaccine acceptance in the US population was observed in two studies, an increase of 10.8 and 7.4%, respectively, between 2020 and 2021. Our results confirm that hesitancy exists in the US population, highest in Black/African Americans, pregnant or breastfeeding women, and low in the male sex. It is imperative for regulatory bodies to acknowledge these statistics and consequently, exert efforts to mitigate the burden of unvaccinated individuals and revise vaccine delivery plans, according to different vulnerable subgroups, across the country.
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Affiliation(s)
- Farah Yasmin
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Hala Najeeb
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Abdul Moeed
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Unaiza Naeem
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | | | - Najeeb Ullah Chughtai
- Department of General Surgery, Liaquat National Hospital and Medical College, Karachi, Pakistan
| | - Zohaib Yousaf
- Department of Internal Medicine, Hamad Medical Corporation, Doha, Qatar
| | | | - Irfan Ullah
- Department of Community Medicine, Kabir Medical College, Peshawar, Pakistan
| | - Chung-Ying Lin
- Institute of Allied Health Sciences, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Amir H. Pakpour
- Department of Nursing, School of Health and Welfare, Jönköping University, Jönköping, Sweden
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Poon PKM, Zhou W, Chan DCC, Kwok KO, Wong SYS. Recommending COVID-19 Vaccines to Patients: Practice and Concerns of Frontline Family Doctors. Vaccines (Basel) 2021; 9:1319. [PMID: 34835250 PMCID: PMC8624411 DOI: 10.3390/vaccines9111319] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 12/23/2022] Open
Abstract
Background: Recommendation from doctors is a well-recognized motivator toward vaccine uptake. Family doctors are in the prime position to advise the public on COVID-19 vaccination. We studied the practice and concerns of frontline family doctors concerning COVID-19 vaccination recommendations to patients. Methods: We conducted a cross-sectional online survey of all family doctors in the Hong Kong College of Family Physicians between June and July 2021. Their practice of making COVID-19 recommendation to patients was assessed. Based on the Health Belief Model, factors associated with doctors' recommendation practices were explored and examined. Multivariate logistic regression models were used to investigate the factors, including COVID-19 vaccine attributes, associated with doctors' practices in making recommendations. Their own vaccination status and psychological antecedents to vaccine hesitancy were measured. Results: A total of 312 family doctors responded (a 17.6% response rate). The proportion of doctors who had received COVID-19 vaccines was 90.1%. The proportion of doctors who would recommend all patients without contraindications for the vaccination was 64.4%. The proportion of doctors who would proactively discuss COVID-19 vaccines with patients was 52.9%. Multivariate logistic regression analysis showed that doctors' own COVID-19 vaccination status was the strongest predictor of family doctors making a recommendation to patients (aOR 12.23 95% CI 3.45-43.33). Longer duration of practice, willingness to initiate the relevant discussion with patients and less worry about vaccine side effects on chronic illness patients were the other factors associated with making a COVID-19 vaccination recommendation. Conclusions: Family doctors should be encouraged to get vaccinated themselves and initiate discussions with patients about COVID-19 vaccines. Vaccine safety data on patients with chronic illness, training and guidelines for junior doctors may facilitate the COVID-19 vaccination recommendation practices of family doctors.
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Affiliation(s)
- Paul Kwok Ming Poon
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, 2/F, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, China; (P.K.M.P.); (W.Z.); (D.C.C.C.); (K.O.K.)
| | - Weiju Zhou
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, 2/F, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, China; (P.K.M.P.); (W.Z.); (D.C.C.C.); (K.O.K.)
| | - Dicken Cheong Chun Chan
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, 2/F, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, China; (P.K.M.P.); (W.Z.); (D.C.C.C.); (K.O.K.)
| | - Kin On Kwok
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, 2/F, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, China; (P.K.M.P.); (W.Z.); (D.C.C.C.); (K.O.K.)
- Stanley Ho Centre for Emerging Infectious Diseases, The Chinese University of Hong Kong, Hong Kong, China
- Hong Kong Institute of Asia-Pacific Studies, The Chinese University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
| | - Samuel Yeung Shan Wong
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, 2/F, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, China; (P.K.M.P.); (W.Z.); (D.C.C.C.); (K.O.K.)
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Association between Immunoglobulin G Levels and Adverse Effects Following Vaccination with the BNT162b2 Vaccine among Japanese Healthcare Workers. Vaccines (Basel) 2021; 9:vaccines9101149. [PMID: 34696257 PMCID: PMC8539103 DOI: 10.3390/vaccines9101149] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/02/2021] [Accepted: 10/07/2021] [Indexed: 12/23/2022] Open
Abstract
The purpose of the study was to assess the association between the amount of immunoglobulin G (IgG) and the duration of adverse effects of COVID-19 vaccinations in the Japanese population. This cross-sectional study was conducted from April 2020 to August 2021 among workers at a community hospital. All participants received two doses of the BNT162b2 vaccine (Pfizer-BioNTech) in March and April 2021. Vaccine side effects were measured using a self-administered questionnaire. Serum anti-SARS-CoV-2 IgG was measured 3 months after vaccination. There was a total of 338 participants (mean age: 44.7 years). The incidence of adverse reactions after vaccination was higher in women. Adverse reactions associated with higher IgG levels included: erythema at the injection site after the first dose; induration and inflammation at the injection site; and systemic symptoms, e.g., fever and headache after the second dose. IgG levels were higher in younger participants. These findings could mitigate fears regarding the mild adverse effects of the COVID-19 vaccine and encourage uptake of the BNT162b2 vaccine.
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Mozid NE, Amin MA, Jhumur SS, Monju IH, Ahmed SB, Sharmin S, Sarker W, Hawlader MDH. COVID-19 risk of infection and vaccination during Ramadan fasting: knowledge and attitudes of Bangladeshi general population. Heliyon 2021; 7:e08174. [PMID: 34664033 PMCID: PMC8514325 DOI: 10.1016/j.heliyon.2021.e08174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/13/2021] [Accepted: 10/11/2021] [Indexed: 12/19/2022] Open
Abstract
There is some debate whether COVID-19 infection and vaccination will hamper Ramadan among the Muslim population worldwide. Therefore, this study aimed to assess the total proportion of the Bangladeshi population who has adequate knowledge and attitude towards COVID-19 risk of infections and vaccination during Ramadan fasting. A cross-sectional study had conducted among 502 adult participants of Bangladesh. We have used a structured questionnaire which had implemented through a face-to-face interview by trained data collectors. Data were analyzed using statistical package software SPSS version 25.0. Of the 502 participants, 50.2% were male, and most (49.6%) lived in urban areas. About 72.5% and 76.30% reported having adequate knowledge and a positive attitude, respectively, regarding COVID-19 risk of infection and vaccination during Ramadan fasting. Among all variables, no formal education and up to class 8 education had significantly associated with inadequate knowledge (OR = 5.14, 95% CI = 1.63-16.19, and OR = 6.42, 95% CI = 2.55-16.19). Educational status was also associated with attitude (OR = 3.68, 95%CI = 1.17-11.55). Current smokers reported a negative attitude in comparison to non-smokers (OR = 2.48, 95% CI = 1.36-4.50). In conclusion, our study found overall moderate knowledge and attitude among the Bangladeshi population towards COVID-19 infection and vaccination. Government should continue its efforts to increase the knowledge and attitude level to a higher level, and anti-smoking campaigns should strengthen to make people stop smoking to reduce the COVID-19 severity.
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Affiliation(s)
- Nusrat-E Mozid
- Department of Public Health, North South University, Dhaka, 1229, Bangladesh
| | | | | | - Imran Hossain Monju
- Department of Public Health, North South University, Dhaka, 1229, Bangladesh
| | - Sanjana Binte Ahmed
- Department of Public Health, North South University, Dhaka, 1229, Bangladesh
| | - Shakila Sharmin
- Department of Public Health, North South University, Dhaka, 1229, Bangladesh
| | - Wharesha Sarker
- Department of Public Health, North South University, Dhaka, 1229, Bangladesh
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Oxford COVID-19 Vaccine Hesitancy in School Principals: Impacts of Gender, Well-Being, and Coronavirus-Related Health Literacy. Vaccines (Basel) 2021; 9:vaccines9090985. [PMID: 34579222 PMCID: PMC8471420 DOI: 10.3390/vaccines9090985] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/19/2021] [Accepted: 08/30/2021] [Indexed: 01/04/2023] Open
Abstract
Purposes: To explore the associated factors of COVID-19 vaccine hesitancy and examine psychometric properties of the coronavirus-related health literacy questionnaire (HLS-COVID-Q22) and Oxford COVID-19 Vaccine Hesitancy questionnaire. Methods: An online survey was conducted from 23 June to 16 July 2021 on 387 school principals across Taiwan. Data collection included socio-demographic characteristics, information related to work, physical and mental health, COVID-19 related perceptions, sense of coherence, coronavirus-related health literacy, and vaccine hesitancy. Principal component analysis, correlation analysis, linear regression models were used for validating HLS-COVID-Q22, Oxford COVID-19 Vaccine Hesitancy, and examining the associations. Results: HLS-COVID-Q22 and Oxford COVID-19 Vaccine Hesitancy were found with satisfactory construct validity (items loaded on one component with factor loading values range 0.57 to 0.81, and 0.51 to 0.78), satisfactory convergent validity (item-scale correlations range 0.60 to 0.79, and 0.65 to 0.74), high internal consistency (Cronbach’s alpha = 0.96 and 0.90), and without floor or ceiling effects (percentages of possibly lowest score and highest score <15%), respectively. Low scores of vaccine hesitancy were found in male principals (regression coefficient, B, −0.69; 95% confidence interval, 95%CI, −1.29, −0.10; p = 0.023), principals with better well-being (B, −0.25; 95%CI, −0.47, −0.03; p = 0.029), and higher HLS-COVID-Q22 (B, −1.22; 95%CI, −1.89, −0.54; p < 0.001). Conclusions: HLS-COVID-Q22 and Oxford COVID-19 Vaccine Hesitancy were valid and reliable tools. Male principals and those with better well-being, and higher health literacy had a lower level of vaccine hesitancy. Improving principals’ health literacy and well-being is suggested to be a strategic approach to increase vaccine acceptance for themselves, their staff, and students.
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