Journal
VACCINE
Volume 37, Issue 36, Pages 5233-5241Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.vaccine.2019.07.064
Keywords
Zika; Zika vaccine; EPPM; Path modeling
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Funding
- Department of Health Behavior and Policy, Virginia Commonwealth University
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Objective: The recent Zika virus outbreak, while no longer an international public health emergency, is still a serious threat, particularly to pregnant women and babies born to pregnant women infected with the virus. This study examined the predictive effects of psychosocial constructs on self-reported intent to get a future Zika vaccine among women of reproductive age. Methods: Data were collected using an online survey with a representative sample of 339 women ages 18-49 from the continental United States. The survey addressed variables originating with the Extended Parallel Processing Model (EPPM) as related to future Zika vaccine uptake intent. Results: Three quarters of all respondents reported intention to get a future Zika vaccine. Path modeling revealed a direct effect of perceived susceptibility, self-efficacy, and response efficacy on future Zika vaccine uptake intent, as well as an indirect effect of perceived susceptibility through both self-efficacy and response efficacy. In addition, the final model showed an indirect effect of perceived severity on Zika vaccine uptake intent through self-efficacy and response efficacy and accounted for 54.6% of the variance in vaccination intent. Conclusions: These findings have implications for future Zika vaccine promotion campaigns. This study confirms the importance of perceived susceptibility, self-efficacy, and response efficacy for use in Zika vaccine uptake campaigns: in addition, when using perceived severity, both self-efficacy and response efficacy should be considered in message design. (C) 2019 Elsevier Ltd. All rights reserved.
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