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dc.contributor.authorShook, Natalie J.
dc.contributor.authorOosterhoff, Benjamin
dc.contributor.authorSevi, Barış
dc.identifier.citationShook, N. J., Oosterhoff, B., & Sevi, B. (2023). A Longitudinal Assessment of Variability in COVID-19 Vaccine Hesitancy and Psychosocial Correlates in a National United States Sample. Vaccine.en_US
dc.description© This manuscript version is made available under the CC-BY-NC-ND 4.0 license
dc.description.abstractRecent evidence suggests that COVID-19 vaccine hesitancy is not static. In order to develop effective vaccine uptake interventions, we need to understand the extent to which vaccine hesitancy fluctuates and identify factors associated with both between- and within-person differences in vaccine hesitancy. The goals of the current study were to assess the extent to which COVID-19 vaccine hesitancy varied at an individual level across time and to determine whether disgust sensitivity and germ aversion were associated with between- and within-person differences in COVID-19 vaccine hesitancy. A national sample of U.S. adults (N = 1025; 516 woman; Mage = 46.34 years, SDage = 16.56, range: 18 to 85 years; 72.6 % White) completed six weekly online surveys (March 20 – May 3, 2020). Between-person mean COVID-19 vaccine hesitancy rates were relatively stable across the six-week period (range: 38–42 %). However, there was considerable within-person variability in COVID-19 vaccine hesitancy. Approximately, 40 % of the sample changed their vaccine hesitancy at least once during the six weeks. There was a significant between-person effect for disgust sensitivity, such that greater disgust sensitivity was associated with a lower likelihood of COVID-19 vaccine hesitance. There was also a significant within-person effect for germ aversion. Participants who experienced greater germ aversion for a given week relative to their own six week average were less likely to be COVID-19 vaccine hesitant that week relative to their own six-week average. This study provides important information on rapidly changing individual variability in COVID-19 vaccine hesitancy on a weekly basis, which should be taken into consideration with any efforts to decrease vaccine hesitancy and increase vaccine uptake. Further, these findings identify-two psychological factors (disgust sensitivity and germ aversion) with malleable components that could be leveraged in developing vaccine uptake interventions.en_US
dc.publisherElsevier BVen_US
dc.subjectVaccine hesitancyen_US
dc.subjectDisgust sensitivityen_US
dc.subjectGerm aversionen_US
dc.subjectLongitudinal designen_US
dc.titleA longitudinal assessment of variability in COVID-19 vaccine hesitancy and psychosocial correlates in a national United States sampleen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.universityMontana State University - Bozemanen_US

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