Ni Luh Zallila Gustina
Dokter Debora Medical Care, Badung, Indonesia

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Presidential Vote Share and COVID-19 Vaccination Rate in Indonesia: A District-level Cross-Sectional Ecological Study Gede Benny Setia Wirawan; Ni Luh Zallila Gustina; Ivy Cerelia Valerie; I Gusti Ayu Indah Pradnyani RS; Muchamad Zaenal Arifin; Pande Putu Januraga
Jurnal Kesehatan Masyarakat Nasional Vol 18, No 1 (2023): Volume 18, Issue 1, February 2023
Publisher : Faculty of Public Health Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21109/kesmas.v18i1.6438

Abstract

Political affiliation has been reported as a determinant of COVID-19 vaccine acceptance in some countries, although few studies have examined the Asian context. This study aims to fill this gap by employing an ecological study design using Indonesian regions as data points. Political affiliation was represented by incumbent President Jokowi’s vote share in the 2019 presidential election. Potential confounders included population density, human development index, availability of hospitals and primary health care, 2019–2020 economic growth, COVID-19 mortality rate, and proportion of Muslims in the population. The final analysis included 201 out of 501 districts and cities in Indonesia. Controlling for confounders, multivariate regression found that Jokowi’s vote share was an independent predictor of vaccination rate, with standardized β and R2 values of 0.350 and 0.734 for the first dose vaccination rates and 0.251 and 0.782 for the second dose, respectively. This association may be underpinned by differences in religiosity, public trust, and vulnerability to misinformation between Jokowi’s supporters and the opposition. Improving public trust in a politically polarizing society is crucial to improving future coverage of COVID-19 and other vaccines.