Online intervention to increase seasonal influenza vaccination among communitydwelling older people: a randomised controlled trial (abridged secondary publication)

Hong Kong Med J 2024;30(Suppl 7):S4-8

Online intervention to increase seasonal influenza vaccination among community-dwelling older people: a randomised controlled trial (abridged secondary publication)

Z Wang¹, JTF Lau¹, PKH Mo¹, Q Zhang², MCS Wong¹

¹ Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, China

² School of Data Science, City University of Hong Kong, Hong Kong SAR, China

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A stage-customised online intervention based on the trans-theoretical model was more effective than a standard, non-stage-customised online intervention in increasing seasonal influenza vaccination uptake among community-dwelling individuals aged ≥65 years.
Compliance with the intervention and changes in constructs of the trans-theoretical model fully or partially mediated the effects of the intervention.
A WhatsApp-based chatbot was a highly feasible and acceptable tool for promoting health among older adults.