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

Seo Hee Yoon; Hyo Yeon Lee; Han Wool Kim; Kyoung Ae Kong; Kyung-Hyo Kim

doi:10.14776/kjpid.2013.20.3.147

Journal List > Korean J Pediatr Infect Dis > v.20(3) > 1096039

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Yoon, Lee, Kim, Kong, and Kim: Adolescents' and Parental Knowledge, Health Beliefs Toward Hepatitis A Vaccination

Original Article

Korean Journal of Pediatric Infectious Diseases 2013; 20(3): 147-160.

Published online: 26 December 2013

DOI: https://doi.org/10.14776/kjpid.2013.20.3.147

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

Seo Hee Yoon, M.D.^*,^†, Hyo Yeon Lee, M.D.^*, Han Wool Kim, M.D.^*,^†, Kyoung Ae Kong, M.D.^‡, Kyung-Hyo Kim, M.D.^*,^†

^*Department of Pediatrics, School of Medicine, Ewha Womans University, Seoul, Republic Korea.

^†Center for Vaccine Evaluation and Study, Ewha Medical Research Institute, Seoul, Republic Korea.

^‡Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea.

Corresponding author (kaykim@ewha.ac.kr)

Received 29 March 2013 Revised 27 July 2013 Accepted 2 August 2013

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.

Keywords: Hepatitis A, Vaccine, Adolescent, Parent, Knowledge

Figures and Tables

Table 1

Socio-Demographic Characteristics of the Subjects

Table 2

Knowledge about Hepatitis A and Hepatitis A Vaccine

^*P value<0.05.

^†Non-responses were excluded (at least 2 to up to 7).

Abbreviations: No, numbers; T, true; F, false; SD, standard deviation; IQR, interquartile range.

Table 3

Descriptive Statistics for Health Belief Model Items

^*P value<0.05.

Abbreviations: SD, standard deviation; IQR, interquartile range.

Table 4

Perceived Susceptibility, Severity, and Benefits

^*P value<0.05.

^†Sum of 'agree' and 'strongly agree'.

^‡Non-responses were excluded (at least 1 to up to 9).

Abbreviations: No, numbers; SD, standard deviation; IQR, interquartile range.

Table 5

Perceived Barriers to Vaccination

^*Sum of 'agree' and 'strongly agree'.

^†Non-responses were excluded (at least 2 to up to 5).

Abbreviations: No, numbers; SD, standard deviation; IQR, interquartile range.

Table 6

Major Reason for Not Receiving Vaccination

^*Parents/guardians previously vaccinated with hepatitis A were excluded.

^†Non-responses were excluded (at least 2 to up to 5).

Abbreviation: No, numbers.

Table 7

Experiences of Hepatitis A Infection and Vaccination

^*Non-responses were excluded (at least 4 to up to 5).

Abbreviations: No, numbers, TV, television.

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