How does information overload about COVID-19 vaccines influence individuals’ vaccination intentions? The roles of cyberchondria, perceived risk, and vaccine skepticism

作者：

Highlights：

• Cyberchondria and perceived vaccine risk mediate the relationship between information overload and vaccine skepticism.

• Celebrity endorsement trustworthiness moderates the effect of vaccine skepticism on vaccination intention.

• The negative effect of vaccine skepticism on vaccination intention is weakened by celebrity endorsement.

• Celebrity endorsement is more effective compared to government official and medical expert endorsements.

摘要

•Cyberchondria and perceived vaccine risk mediate the relationship between information overload and vaccine skepticism.•Celebrity endorsement trustworthiness moderates the effect of vaccine skepticism on vaccination intention.•The negative effect of vaccine skepticism on vaccination intention is weakened by celebrity endorsement.•Celebrity endorsement is more effective compared to government official and medical expert endorsements.

论文关键词：Information overload,Cyberchondria,Perceived risk,Vaccine skepticism,Vaccination intention,Endorsement

论文评审过程：Received 26 August 2021, Revised 24 December 2021, Accepted 29 December 2021, Available online 4 January 2022, Version of Record 5 January 2022.

论文官网地址：https://doi.org/10.1016/j.chb.2021.107176