P-1431. Electronic Nudges to Increase Influenza Vaccination in Immunocompromised Individuals: a secondary analysis of the NUDGE-FLU-CHRONIC trial
Anne Marie Reimer Jensen, Niklas D Johansen, Lisa S Duus, Muthiah Vaduganathan, Ankeet S Bhatt, Daniel Modin, Safia Chatur, Brian L Claggett, Kira Janstrup, Joshua A Hill, Carsten S Larsen, Lykke Larsen, Lothar Wiese, Michael Dalager-Pedersen, Lars Køber, Scott D Solomon
TL;DR
Electronic nudges increased influenza vaccination rates in immunosuppressed individuals more than in others.
Contribution
Shows electronic nudges are more effective at boosting vaccination in immunosuppressed populations.
Findings
Immunosuppressed individuals had higher baseline vaccination rates than non-immunosuppressed individuals.
Electronic nudges increased vaccination uptake more in immunosuppressed individuals (+13.3%) than non-immunosuppressed (+11.5%).
Abstract
Immunosuppressed individuals are at higher risk for influenza-related complications, yet vaccination rates remain low, particularly among young and middle-aged adults. This secondary analysis of the NUDGE-FLU-CHRONIC trial assessed the impact of letter-based nudges on influenza vaccine uptake by immunosuppression status.Table 1:Baseline Characteristics by Immunosuppression StatusTable 2:Baseline Characteristics by Randomization to Any Letter or Usual Care in Participants with Immunosuppression Baseline Characteristics by Immunosuppression Status Baseline Characteristics by Randomization to Any Letter or Usual Care in Participants with Immunosuppression All Danish citizens aged 18–64 with chronic conditions eligible for free influenza vaccination during the 2023/24 season were enrolled. Participants were randomly assigned to no letter (usual care), or one of six electronic nudges…
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Taxonomy
TopicsInfluenza Virus Research Studies · Vaccine Coverage and Hesitancy · Immune responses and vaccinations