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Predicting Intention to Take a COVID-19 Vaccine in the United States: Application and Extension of Theory of Planned Behavior.
Hayashi, Yusuke; Romanowich, Paul; Hantula, Donald A.
  • Hayashi Y; Division of Social Sciences and Education, Pennsylvania State University, Hazleton, PA, USA.
  • Romanowich P; Department of Psychology, 7447Gonzaga University, Spokane, WA, USA.
  • Hantula DA; Department of Psychology, 6558Temple University, Philadelphia, PA, USA.
Am J Health Promot ; 36(4): 710-713, 2022 05.
Article in English | MEDLINE | ID: covidwho-1625274
ABSTRACT

PURPOSE:

This study aims to apply and extend the theory of planned behavior (TPB) to predict intention to take a COVID-19 vaccine.

DESIGN:

Cross-sectional.

SETTING:

Online. SAMPLE Adult US residents recruited from Amazon Mechanical Turk (n = 172).

MEASURES:

Intention to take a COVID-19 vaccine (outcome variable), demographic variables (predictors), standard TPB variables (perceived behavioral control, attitude, and subjective norm; predictors), and non-TPB variables (anticipated regret, health locus of control, and perceived community benefit; predictors).

ANALYSIS:

Hierarchical linear regression predicting intention to take a COVID-19 vaccine, with demographic, standard TPB, and non-TPB variables entered in regression models 1, 2, and 3, respectively.

RESULTS:

The extended TPB model accounted for 72.5% of the variance in vaccination intention (p < .001), with perceived behavioral control (ß = .29, p < .001), attitude (ß = .23, p = .043), and perceived community benefit (ß = .23, p = .020) being significant unique predictors.

CONCLUSION:

Despite the relatively small and non-representative sample, this study, conducted after COVID-19 vaccines were widely available in the USA, demonstrated that perceived behavioral control was the most robust predictor of intention to take a COVID-19 vaccine, suggesting that the TPB is a useful theoretical framework that can inform effective strategies to promote vaccine acceptance.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Vaccines / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Topics: Vaccines Limits: Adult / Humans Country/Region as subject: North America Language: English Journal: Am J Health Promot Journal subject: Public Health Year: 2022 Document Type: Article Affiliation country: 08901171211062584

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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Vaccines / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Topics: Vaccines Limits: Adult / Humans Country/Region as subject: North America Language: English Journal: Am J Health Promot Journal subject: Public Health Year: 2022 Document Type: Article Affiliation country: 08901171211062584