Digital nudge letters aim to boost flu shots for vulnerable adults
NCT ID NCT06600490
Summary
This study tested whether sending different types of digital reminder letters through Denmark's official government system could encourage more adults with chronic health conditions to get their annual flu vaccine. Over 300,000 participants aged 18-64 with conditions like diabetes, heart disease, or lung disease were randomly assigned to receive either standard information or one of six specially designed reminder letters. Researchers measured how many people got vaccinated after receiving these digital nudges during the 2023/2024 flu season.
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Contacts and locations
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Locations
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Center for Translational Cardiology and Pragmatic Randomized Trials, Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte
Hellerup, Capital Region, 2900, Denmark
Conditions
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