NCT06600490View on ClinicalTrials.gov

Nationwide Utilization of Danish Government Electronic Letter System for Confirming the Effectiveness of Behavioral Nudges in Increasing InFLUenza Vaccine Uptake Among Adults With Chronic Disease

NACompletedINTERVENTIONAL
Enrollment

308,978

Participants

Timeline

Start Date

October 1, 2024

Primary Completion Date

January 1, 2025

Study Completion Date

May 31, 2025

Conditions
InfluenzaBehavior and Behavior Mechanisms
Interventions
BEHAVIORAL

Behavioral Economic Principles

The control arm will receive no letter to reflect the background vaccination uptake. Intervention arms will test the effects of different letters developed using behavioral economic principles.

Trial Locations (1)

2900

Center for Translational Cardiology and Pragmatic Randomized Trials, Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Hellerup

All Listed Sponsors
lead

Tor Biering-Sørensen

OTHER

NCT06600490 - Nationwide Utilization of Danish Government Electronic Letter System for Confirming the Effectiveness of Behavioral Nudges in Increasing InFLUenza Vaccine Uptake Among Adults With Chronic Disease | Biotech Hunter | Biotech Hunter