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Factors associated with COVID-19 vaccination intent in Singapore, Australia and Hong Kong.
Shah, Shimoni; Gui, Hao; Chua, Pearleen Ee Yong; Tan, Jing-Yu Benjamin; Suen, Lorna Kwai-Ping; Chan, Sally Wai-Chi; Pang, Junxiong.
  • Shah S; Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore; Centre for Infectious Disease Epidemiology and Research, National University of Singapore, Singapore. Electronic address: ephssu@nus.edu.sg.
  • Gui H; Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore; Centre for Infectious Disease Epidemiology and Research, National University of Singapore, Singapore. Electronic address: ephssu@nus.edu.sg.
  • Chua PEY; Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore; Centre for Infectious Disease Epidemiology and Research, National University of Singapore, Singapore. Electronic address: ephceyp@nus.edu.sg.
  • Tan JB; College of Nursing and Midwifery, Charles Darwin University, Brisbane, Australia. Electronic address: benjamin.tan@cdu.edu.au.
  • Suen LK; School of Nursing, Tung Wah College, Hong Kong. Electronic address: lornasuen@twc.edu.hk.
  • Chan SW; Tung Wah College, Hong Kong. Electronic address: sallychan@twc.edu.hk.
  • Pang J; Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore; Centre for Infectious Disease Epidemiology and Research, National University of Singapore, Singapore. Electronic address: pangv@hotmail.com.
Vaccine ; 40(21): 2949-2959, 2022 05 09.
Article in English | MEDLINE | ID: covidwho-1773837
ABSTRACT

BACKGROUND:

COVID-19 pandemic has caused significant morbidity and mortality globally. As vaccines have been developed under expedited conditions, their safety and efficacy are being questioned by some populations leading to vaccine hesitancy, resulting in delayed vaccine uptake and herd immunity. This study aims to adopt a combination of Health Belief Model and other independent risk factors associated with high vaccine acceptance.

METHODS:

An anonymized cross-sectional survey was distributed between 15 January and 3 February 2021 across Singapore, Hong Kong and Australia among adult respondents through a certified online panel. Exploratory factor analysis and confirmatory factor analysis were carried out to assess perception constructs followed by multivariate regression modelling to assess factors associated with high vaccine acceptance against SARS_CoV-2.

RESULTS:

A total of 3,133 anonymised participants from Singapore (n = 1,009), Australia (n = 1,118) and Hong Kong (n = 1,006) completed the survey. While age and gender were not significantly associated, Asian ethnicity, current smokers and self-efficacy were significant associated factors of increased vaccine acceptance. While specific practices like taking micronutrients more frequently, cleaning and disinfecting their house more often were positively associated with increased vaccine acceptance, seeking medical help for COVID-19 symptoms like loss of smell/taste and overall COVID-19 knowledge score were negatively associated. Increased likelihood of vaccine acceptance was seen among those that obtained COVID-19 information less frequently and used digital media or non-health-related sources like influencers as a source of information. Among the eight perception constructs, perceived susceptibility and perceived response efficacy were positively associated, while perceived barriers were negatively associated with high vaccine acceptance.

CONCLUSION:

While demographic parameters have weak association with vaccine acceptance, perceptions and practices parameters can help to better understand and influence vaccine acceptance. Study findings should provide guidance on the risk communication strategy to enhance vaccine acceptance for vaccination and boosters against new SARS-CoV-2 variants.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Topics: Vaccines / Variants Limits: Adult / Humans Country/Region as subject: Asia / Oceania Language: English Journal: Vaccine Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Topics: Vaccines / Variants Limits: Adult / Humans Country/Region as subject: Asia / Oceania Language: English Journal: Vaccine Year: 2022 Document Type: Article