Capasso 2021.

Study characteristics
Methods	Study design: randomised controlled trial Type of publication: journal publication Setting and dates: Online, November and December 2020 Country: Italian Language: Italian
Interventions	Persuasive messages focused on cognitive attitude plus anticipated affective reactions: Control (no message) Cognitive attitude  Cognitive attitude + positive affect message Cognitive attitude + negative affect message
Population	Population: Italian adults Age; range: 18‐75 Gender: NR Ethnicity: NR Number of participants (recruited/allocated/evaluated): 600 recruited, 484 assessed Inclusion/exclusion criteria: NR
Outcomes	Intention to get vaccinated against COVID‐19 (3 items, 5‐point scale) Cognitive attitude towards vaccination against COVID‐19 Anticipated positive affective reactions Anticipated negative affective reactions
Notes	COI: NR Funding: NR