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COVID-19: Original Article
Predictors of COVID-19 booster vaccine hesitancy among fully vaccinated adults in Korea: a nationwide cross-sectional survey
Yunha Noh, Ju Hwan Kim, Dongwon Yoon, Young June Choe, Seung-Ah Choe, Jaehun Jung, Sang-Won Lee, Ju-Young Shin
Epidemiol Health. 2022;44:e2022061.   Published online July 22, 2022
DOI: https://doi.org/10.4178/epih.e2022061
  • 8,858 View
  • 366 Download
  • 12 Web of Science
  • 8 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study explored predictors of coronavirus disease 2019 (COVID-19) booster hesitancy among fully vaccinated young adults and parental COVID-19 vaccine hesitancy for their children.
METHODS
This cross-sectional study administered an online survey from December 2 to December 20, 2021. We enrolled participants aged 18-49 years, for whom ≥2 weeks had passed after their initial COVID-19 vaccination. We estimated odds ratios (ORs) with 95% confidence intervals (CIs) using multivariate logistic regression to evaluate factors associated with booster/vaccine hesitancy.
RESULTS
Among the 2,993 participants, 48.8% showed hesitancy (wait and see: 40.2%; definitely not: 8.7%). Booster hesitancy was more common among women (OR, 1.25; 95% CI, 1.05 to 1.50), younger people (OR, 1.44; 95% CI, 1.17 to 1.77), those with a lower education level (OR, 2.05; 95% CI, 1.10 to 3.82), those who received the mRNA-1273 vaccine type (OR, 2.01; 95% CI, 1.65 to 2.45), and those who experienced serious adverse events following previous COVID-19 vaccination (OR, 2.03; 95% CI, 1.47 to 2.80). The main reasons for booster hesitancy were concerns about safety (54.1%) and doubts about efficacy (29.8%). Among the 1,020 respondents with children aged <18 years, 65.8% were hesitant to vaccinate their children against COVID-19; hesitancy was associated with younger parental age, education level, the type of vaccine the parent received, and a history of COVID-19 infection.
CONCLUSIONS
Concerns about the efficacy and safety of COVID-19 vaccines were the major barrier to booster acceptance. The initial COVID-19 vaccine type (mRNA-1273), young age, gender (women), a low education level, and adverse events after the first COVID-19 vaccine were key predictors of booster hesitancy.
Summary
Korean summary
본 연구는 국내 19-49세 성인을 대상으로, 코로나19 3차접종 의향과 그들의 18세 미만 자녀에 대한 코로나19 기초접종 의향을 조사하고, 코로나19 백신접종 기피와 관련된 요인을 파악하고자 하였다. 2021년 12월 2일부터 20일까지 온라인 설문조사를 통하여 자료를 수집하였으며, 연구대상자는 코로나19 기초접종을 완료한 후 2주 경과한 19-49세 성인으로, 전국 대표성을 확보하기 위해 성별, 연령, 지역별로 층화하여 모집하였다. 코로나19 3차접종 기피율은 약 48.8%로 나타났으며, 접종 기피 관련 영향요인으로는 젊은 연령층, 여성, 낮은 교육수준, 기초접종 백신 종류, 기초접종 후 중증 이상반응 경험이 포함되었으며, 18세 미만 자녀에 대한 코로나19 기초접종 기피율은 65.8%로, 관련 영향요인으로는 젊은 부모 연령, 교육수준, 부모의 기초접종 백신 종류, 코로나19 감염 과거력이 포함되었다.
Key Message
Concerns about the safety and efficacy of COVID-19 vaccines were the major barrier to booster acceptance; the initial COVID-19 vaccine type (mRNA-1273), younger age, gender (women), a low education level, and adverse events after the first COVID-19 vaccine were key predictors of booster hesitancy.

Citations

Citations to this article as recorded by  
  • Why Some People Are Hesitant to Receive COVID-19 Boosters: A Systematic Review
    Yam B. Limbu, Bruce A. Huhmann
    Tropical Medicine and Infectious Disease.2023; 8(3): 159.     CrossRef
  • COVID-19 Vaccine Booster Hesitancy in Malaysia: A Web-Based Cross-Sectional Study
    Kai Wei Lee, Sook Fan Yap, Hooi Tin Ong, Myo Oo, Kye Mon Min Swe
    Vaccines.2023; 11(3): 638.     CrossRef
  • Factors associated with parental intention to vaccinate their preschool children against COVID-19: a cross-sectional survey in urban area of Jakarta, Indonesia
    Theresia Santi, Badriul Hegar, Zakiudin Munasir, Ari Prayitno, Retno Asti Werdhani, Ivo Novita Sah Bandar, Juandy Jo, Ruswati Uswa, Ratna Widia, Yvan Vandenplas
    Clinical and Experimental Vaccine Research.2023; 12(3): 240.     CrossRef
  • Factors associated with COVID-19 booster vaccine hesitancy: a nationwide, cross-sectional survey in Japan
    A. Takamatsu, H. Honda, T. Miwa, T. Tabuchi, K. Taniguchi, K. Shibuya, Y. Tokuda
    Public Health.2023; 223: 72.     CrossRef
  • Predictors of COVID-19 Vaccine Hesitancy Among Parents of Children Aged 5–11 Years in Korea
    Ju Hwan Kim, Dongwon Yoon, Yunha Noh, Jaehun Jung, Young June Choe, Ju-Young Shin
    Journal of Korean Medical Science.2023;[Epub]     CrossRef
  • Effective Vaccination and Education Strategies for Emerging Infectious Diseases Such as COVID-19
    Seong-Heon Wie, Jaehun Jung, Woo Joo Kim
    Journal of Korean Medical Science.2023;[Epub]     CrossRef
  • COVID-19 vaccination acceptance, safety and side-effects in European patients with severe asthma
    Apostolos Bossios, Alison M. Bacon, Katrien Eger, Dóra Paróczai, Florence Schleich, Shane Hanon, Svetlana Sergejeva, Eleftherios Zervas, Konstantinos Katsoulis, Christina Aggelopoulou, Konstantinos Kostikas, Eleni Gaki, Nikoletta Rovina, Zsuzsanna Csoma,
    ERJ Open Research.2023; 9(6): 00590-2023.     CrossRef
  • Parental concerns about COVID-19 vaccine safety and hesitancy in Korea: implications for vaccine communication
    Hye-Kyung Cho, Hyunju Lee, Young June Choe, Shinkyeong Kim, Sujin Seo, Jiwon Moon, Eun Hwa Choi, Geun-Yong Kwon, Jee Yeon Shin, Sang-Yoon Choi, Mi Jin Jeong, Myoungsoon You
    Epidemiology and Health.2022; 45: e2023004.     CrossRef
Original Article
Why do some Korean parents hesitate to vaccinate their children?
Kyujin Chang, Soon Young Lee
Epidemiol Health. 2019;41:e2019031.   Published online July 9, 2019
DOI: https://doi.org/10.4178/epih.e2019031
  • 14,322 View
  • 296 Download
  • 17 Web of Science
  • 24 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Vaccinations for infectious diseases are opposed despite their achievement, and this opposition has recently been revealed in Korea. However, research in Korea has not been vigorous. The authors studied why some Korean parents hesitate to vaccinate their children by applying the health belief model.
METHODS
Parents who hesitate to vaccinate and parents who do not were surveyed in alternative education preschools and elementary schools. They were classified into four types of hesitancy and statistically compared.
RESULTS
Among the 129 subjects, 43 vaccinated without hesitancy, 20 vaccinated on time with hesitancy, 32 vaccinated with a deliberate delay of one month or longer, and 34 did not vaccinate. Vaccination increased with an increase in the awareness that severe outcomes can occur when unvaccinated. Concerns about adverse reactions from vaccinations or direct/indirect experiences affected refusal. Furthermore, perceptions of the lack of meaningfulness of vaccinations, distrust of policy and safety management, influence of leaders or activists in joined organizations, and experts of Korean traditional or alternative medicine affected refusal. Explanations by doctors, text messages and mails from institutions, and concerns about disadvantages caused by not complying with government policies increased vaccination.
CONCLUSIONS
The reasons for vaccine hesitancy and acceptance were similar to the results of international research. Health authorities and professionals should communicate sufficiently and appropriately with hesitant parents and find ways to rationally resolve social conflicts. However, this sample was small and there is little Korean research, so more in-depth and diverse researchs are needed.
Summary
Korean summary
한국에도 있는 일부 소아 예방접종 망설임 부모들이 왜 그렇게 생각하고 결정하는지, 대안교육시설에서 129명을 대상으로 연구하였다. 예방접종 부작용 우려나 경험, 의미 격하, 정책 및 안전관리 불신, 관련 활동가, 한의학이나 대체의학 전문가가 미접종에 영향을 주었다. 보건관계자들은 망설임 부모들과 충분하고 적절한 의사소통을 하여, 사회적 갈등을 합리적으로 해소하는 방안을 찾아야 한다.

Citations

Citations to this article as recorded by  
  • Ideological differences in COVID-19 vaccine intention: the effects of trust in the healthcare system, in complementary and alternative medicine, and perceived threat from the disease
    Monika Lamot, Katja Kerman, Andrej Kirbiš
    Frontiers in Psychology.2024;[Epub]     CrossRef
  • Çocukluk Çağı Asılarının Kabulünü Etkileyen Faktörlerin İncelenmesi: Aşı Reddi
    Reyhan AYDIN DOĞAN, Yılmaz ALTUNER, Yıldız ÖĞÜTÜCÜ, Nazlıcan AYDOĞDU, Zeynep ELLİALTIOĞLU, İrem TUNÇ, Hilal ZORLU
    Sağlık Akademisi Kastamonu.2023;[Epub]     CrossRef
  • Toplumdaki Bireylerin Aşı Uygulamalarına Karşı Tutumları ile Covid-19 Salgını Sonrası Tutumlarının Belirlenmesi
    Berna BAYIR, Fatma Nur YAĞIZ, Rabia ÇAT, Gülnur ÇAT
    Adnan Menderes Üniversitesi Sağlık Bilimleri Fakültesi Dergisi.2023; 7(1): 38.     CrossRef
  • Gap between cognitions and behaviors among children’s guardians of influenza vaccination: The role of social influence and vaccine-related knowledge
    Jing Wu, Zheng Wei, Yingying Yang, Xiu Sun, Siyi Zhan, Qijing Jiang, Chuanxi Fu
    Human Vaccines & Immunotherapeutics.2023;[Epub]     CrossRef
  • Maternal perceptions of vaccinating boys against human papillomavirus (HPV) in Seoul, South Korea: A descriptive exploratory qualitative study
    Jihye Choi, Christine Markham, Irene Tamí-Maury, Sooyoun Kim, Paula Cuccaro, Omar Enzo Santangelo
    PLOS ONE.2023; 18(3): e0282811.     CrossRef
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    Izabella da Silva Viana, Emília Gallindo Cursino, Priscila da Silva Miranda, Liliane Faria da Silva, Maria Estela Diniz Machado
    Cogitare Enfermagem.2023;[Epub]     CrossRef
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    Izabella da Silva Viana, Emília Gallindo Cursino, Priscila da Silva Miranda, Liliane Faria da Silva, Maria Estela Diniz Machado
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    Izabella da Silva Viana, Emília Gallindo Cursino, Priscila da Silva Miranda, Liliane Faria da Silva, Maria Estela Diniz Machado
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    Eugênio Barbosa de Melo Júnior, Priscilla Dantas Almeida, Beatriz Mourão Pereira, Paulo de Tarso Moura Borges, Elucir Gir, Telma Maria Evangelista de Araújo
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