作者
Niklas Dyrby Johansen, Muthiah Vaduganathan, Ankeet S Bhatt, Simin Gharib Lee, Daniel Modin, Brian L Claggett, Erica L Dueger, Sandrine I Samson, Matthew M Loiacono, Lars Køber, Scott D Solomon, Pradeesh Sivapalan, Jens Ulrik Stæhr Jensen, Cyril Jean-Marie Martel, Palle Valentiner-Branth, Tyra Grove Krause, Tor Biering-Sørensen
发表日期
2023/4/1
期刊
The Lancet
卷号
401
期号
10382
页码范围
1103-1114
出版商
Elsevier
简介
Background
Influenza vaccination rates remain suboptimal despite effectiveness in preventing influenza infection and related complications. We investigated whether behavioural nudges, delivered via a governmental electronic letter system, would increase influenza vaccination uptake among older adults in Denmark.
Methods
We did a nationwide, pragmatic, registry-based, cluster-randomised implementation trial during the 2022–23 influenza season in Denmark. All Danish citizens aged 65 years or older or turning 65 years by Jan 15, 2023 were included. We excluded individuals living in nursing homes and individuals who had an exemption from the Danish mandatory governmental electronic letter system. Households were randomly assigned (9:1:1:1:1:1:1:1:1:1) to usual care or nine different electronic letters designed on the basis of different behavioural nudging concepts. Data were sourced from nationwide …
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ND Johansen, M Vaduganathan, AS Bhatt, SG Lee… - The Lancet, 2023