Effect of COVID-19 vaccination appointment letters on uptake by sociodemographic characteristics: a regression discontinuity analysis in Sweden, December 2020 to September 2021.

ABSTRACT: Ensuring high vaccination coverage is vital, particularly during a pandemic. While pre-booked appointment letters have shown promise in vaccination campaigns, their effectiveness in specific sociodemographic groups remains to be explored. Our study evaluated the effect of pre-booked appointment letters on COVID-19 vaccine uptake within different sociodemographic groups using a quasi-experimental methodology. In Uppsala County, Sweden, residents born between 1962 and 1971 received pre-booked COVID-19 vaccination letters starting 24 May 2021, while younger residents received SMS prompts for self-booking starting 7 June 2021. Through a regression discontinuity design, we used the intervention cut-off at birth year 1971 to assess the effectiveness of the letters to increase vaccine uptake comp

SUBMITTER: Varotsis G 

PROVIDER: S-EPMC12311344 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature