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Review
. 2022 Nov 26;10(12):2026.
doi: 10.3390/vaccines10122026.

Predicting Vaccination Intention against COVID-19 Using Theory of Planned Behavior: A Systematic Review and Meta-Analysis

Yam B Limbu  1 , Rajesh K Gautam  2 , Wencang Zhou  1
Affiliations
Review

Predicting Vaccination Intention against COVID-19 Using Theory of Planned Behavior: A Systematic Review and Meta-Analysis

Yam B Limbu et al. Vaccines (Basel). .

Abstract

This study systematically analyzed the literature using the theory of planned behavior (TPB) as a theoretical framework to examine the influence of its constructs on vaccination intention against COVID-19. Quantitative studies were searched in PubMed, CINAHL, Web of Science, and Google Scholar following the PRISMA guidelines. The average rate of COVID-19 vaccination intention was 73.19%, ranging from 31% to 88.86%. Attitude had the strongest association with vaccination intention (r+ = 0.487, 95% CI: 0.368-0.590), followed by subjective norms (r+ = 0.409, 95% CI: 0.300-0.507), and perceived behavioral control (r+ = 0.286, 95% CI: 0.198-0.369). Subgroup analyses showed that the pooled effect sizes of TPB constructs on vaccination intention varied across geographic regions and study populations. Attitude had large effect sizes in Asia, Europe, and Oceania, especially among the adult general population, parents, and patients. Subjective norms had large effect sizes in Asia and Oceania, especially among parents and patients. Perceived behavioral control was the most dominant predictor of vaccination acceptance in Africa among patients. These findings suggest that TPB provides a useful framework for predicting intention to receive a COVID-19 vaccine. Hence, public awareness and educational programs aimed at promoting COVID-19 vaccination intention should consider using TPB as a framework to achieve the goal.

Keywords: COVID-19; attitude; meta-analysis; perceived behavioral control; subjective norms; systematic review; theory of planned behavior; vaccination intention.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
PRISMA flow diagram showing search strategy and study selection process.
Figure 2
Figure 2
Forest plot showing attitude and vaccination intention correlation.
Figure 3
Figure 3
Forest plot showing subjective norms and vaccination intention correlation.
Figure 4
Figure 4
Forest plot showing perceived behavioral control and vaccination intention correlation.
Figure 5
Figure 5
Forest plot showing self-efficacy and vaccination intention correlation.
See this image and copyright information in PMC

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