Clinical Trials Logo

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


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

See also
  Status Clinical Trial Phase
Recruiting NCT05057208 - Does the COVID-19 Vaccination Rate Change According to the Education, Income, Culture Level, Prosociality ?
Completed NCT05764174 - Digital Applications to Monitor Novel Coronavirus Disease and Response in Colombia - Syndromic and Vaccination Surveillance N/A
Completed NCT05529030 - COVID-19 Booster Readiness Survey N/A
Active, not recruiting NCT05479383 - Tobacco Use and Uptake of COVID-19 Vaccinations
Active, not recruiting NCT04779827 - Improving Health Equity for COVID-19 Vaccination for At-risk Populations Using Online Social Networks N/A
Completed NCT04871243 - Children Vaccination From 11 to 14 Years Old
Completed NCT05923320 - The Effect of Education Given to Postpartum Women on Their Attitudes Towards Childhood Vaccinations and Breastfeeding N/A
Completed NCT05252936 - Effectiveness of a Mayan Language Social Media Campaign on COVID-19 Vaccine Beliefs in Guatemala N/A
Recruiting NCT05772117 - A RCT Evaluating an Online Intervention in Increasing Pneumococcal Vaccination Among Older Adults N/A
Withdrawn NCT05442762 - Social Media-based Vaccine Confidence and Hesitancy Monitoring
Completed NCT05390697 - Educational Videos to Address Vaccine Hesitancy in Childhood Immunization N/A
Not yet recruiting NCT05795855 - An Adaptive Prenatal Intervention to Increase Childhood Vaccinations N/A
Active, not recruiting NCT05419232 - COVID-19 Vaccine Uptake Trial N/A
Completed NCT05225064 - Increasing COVID-19 Vaccine Uptake in Developing Countries (Bihar) N/A
Completed NCT04728594 - Emails Promoting COVID-19 Vaccination Among Healthcare Workers N/A
Recruiting NCT05866237 - COVID-19 Vaccine Uptake Amongst Underserved Populations in East London N/A
Completed NCT05043155 - Strategies to Continue Gynae-oncology Services in the Era of COVID-19 Outbreak: Concerns and Challenges in a Referral Centre in Malaysia
Completed NCT05182554 - COVID-19 Messaging for Vaccination N/A
Active, not recruiting NCT05891626 - Group Intervention on Vaccine Confidence N/A
Completed NCT04203277 - Improving Vaccinations for Young Children (IVY) N/A