Korean J Pediatr Infect Dis.  2013 Dec;20(3):147-160.

Adolescents' and Parental Knowledge, Health Beliefs Toward Hepatitis A Vaccination

Affiliations
  • 1Department of Pediatrics, School of Medicine, Ewha Womans University, Seoul, Republic Korea. kaykim@ewha.ac.kr
  • 2Center for Vaccine Evaluation and Study, Ewha Medical Research Institute, Seoul, Republic Korea.
  • 3Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea.

Abstract

PURPOSE
Although the overall incidence of hepatitis A in Korea has been decreasing recently, the adolescents born before the introduction of the hepatitis A vaccine remain to be highly vulnerable to outbreak. This study examines the unvaccinated adolescents' and their parents' knowledge and health beliefs toward hepatitis A vaccination.
METHODS
Healthy adolescents aged 13-19 years old who had no previous history of hepatitis A vaccine and hepatitis A infection, and their parents or legal guardians were the subjects of the study. The survey was conducted using a structured questionnaire based on the Health Belief Model, and examined the subjects' demographics, knowledge, and health beliefs (i.e., perceived susceptibility, severity, benefits, and barriers).
RESULTS
We included 157 adolescents and their parents/guardians (mean age: 16.0+/-1.6 and 45.6+/-4.7 years, respectively). The average knowledge item score for adolescents and parents was 6.4+/-3.7 and 7.3+/-3.4 (out of 18), respectively. Similarly, average Health Belief Model item scores were: susceptibility, 5.6+/-1.6 and 5.9+/-1.7 (range: 2-10); severity, 16.3+/-4.1 and 18.3+/-3.6 (range:5-25); benefits, 19.7+/-3.3 and 20.6+/-2.1 (range:5-25); and barriers, 41.3+/-8.9 and 39.0+/-9.1 (range:7-85). The major reason for not undergoing hepatitis A vaccination was lack of knowledge about its importance.
CONCLUSIONS
Refresher health lectures about hepatitis A and the vaccine are needed by both the adolescents and their parents. Furthermore, the inclusion of hepatitis A vaccine in the national immunization program should be considered to reduce the risk of hepatitis A outbreak and to raise the vaccination coverage among the adolescents in Korea.

Keyword

Hepatitis A; Vaccine; Adolescent; Parent; Knowledge
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