Using Integrative Behavior Model to Predict COVID-19 Vaccination Intention among Health Care Workers in Indonesia: A Nationwide Survey

Sukamto Koesnoe, Tommy Hariman Siddiq, Dicky C. Pelupessy, Evy Yunihastuti, Ghina Shabrina Awanis, Alvina Widhani, Teguh Harjono Karjadi, Suzy Maria, Anshari Saifuddin Hasibuan, Iris Rengganis, Samsuridjal Djauzi

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Background: Health care workers (HCWs) are a high-priority group for COVID-19 vaccination for several reasons. Health behavior theory-based studies on the intention or acceptability of COVID-19 vaccination among Indonesian HCWs is lacking. Using an integrated behavioral model, this research sought to identify Indonesian health care workers’ intentions to obtain COVID-19 vaccines. Methods: A countrywide cross-sectional questionnaire-based survey was conducted. The questionnaire was constructed on the basis of IBM (integrated behavioral model) constructs and scored on a seven-point bipolar scale. A hierarchical multivariable regression was used to evaluate the fit of the predictor model as well as the correlations between variables in the study. Results: 3304 people responded to the survey. A model combining demographic and IBM characteristics predicted 42.5 percent (adjusted R2 = 0.42) of the COVID-19 vaccination intention. Vaccination intention was associated with favorable vaccine attitudes, perceived norms, and self-efficacy. Among the determining constructs, behavior belief predicted vaccination intention the best. Being female, being married, having a history of COVID-19 infection, living outside Java Island, and having a low income were all linked to lower vaccination intentions. Conclusions: This study confirms the IBM model’s robustness in predicting health care workers’ intention to vaccinate against COVID-19.

Original languageEnglish
Article number719
JournalVaccines
Volume10
Issue number5
DOIs
Publication statusPublished - May 2022

Keywords

  • acceptance
  • COVID-19 vaccines
  • health behavior
  • health care workers
  • intention

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