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A Randomized Controlled Trial Evaluating an Online Intervention in Increasing Seasonal Influenza Vaccination Among Community Dwelling People Aged ≥65 Years

Vaccination Refusal Clinical Trial

Official title:
A Randomized Controlled Trial Evaluating an Online Intervention Based on the Trans-Theoretical Model in Increasing Seasonal Influenza Vaccination Among Community Dwelling People Aged ≥65 Years

Clinical Trial Summary

A non-blinded two-arm parallel randomized controlled trial will be conducted. Inclusion criteria are: 1) aged ≥65 years, 2) having Hong Kong ID, 3) Chinese speaking, 4) willing to be followed up by telephone, 5) having a smartphone, and 6) have not received SIV for the incoming flu season. Exclusion criteria include: 1) cognitive impairment, blindness or deafness, 2) not able to communicate with others effectively, and 3) with known contradictions of SIV (allergic to previous SIV, diagnosed/suspected egg allergy, with bleeding disorder or on warfarin). A total of 396 participants will be randomly assigned to either the intervention group (n=198) or the control group (n=198). Intervention group will watch an online health promotion video tailored to their current stage of change related to SIV uptake once every two weeks for four times (at week 0, 2, 4, and 6). Participants in the control group will watch a same online video providing general advices related to SIV at week 0, 2, 4, and 6. All participants will be followed up by telephone 3 and 6 months after the baseline survey.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05155241
Study type Interventional
Source Chinese University of Hong Kong
Contact
Status Completed
Phase N/A
Start date December 1, 2021
Completion date July 30, 2022
View Details
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