Evaluation of theory-based interventions using behaviour change techniques in randomised controlled trials on vaccination behaviour: a meta-analysis.
OBJECTIVE This meta-analysis examined behaviour change techniques (BCTs) used in theory-based randomised controlled trials (RCTs) targeting vaccination uptake. Electronic databases identified 44 studies (N = 428,931). DESIGN This review was conducted from September to December 2020 and updated in April 2024. It inclu...