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Table 1 Information recorded for each video

From: Exploring the vaccine conversation on TikTok in Italy: beyond classic vaccine stances

Category

Variables

Values

Type of user

Gender

male, female, other

User’s profession

healthcare, media and journalism, other

Number of followers

discrete variable

Video features

Play count

discrete variable

Share count

discrete variable

Comment count

discrete variable

Presence of COVID-19 banner or COVID-19 vaccine banner generated by TikTok and directing to the WHO website

yes/no

Q&A style (displaying a comment to which the creator responds to)

yes/no

Trend or challenge style (a typical kind of TikTok video with a specific format in terms of music, movements and/or dance, typically inviting people to replicate it)

yes/no

Engaging music - lip sync

yes/no

Video format

Face to Camera videos, videos or images with on-screen text, videos without text, images without text, infographic

Vaccine-related

Type of vaccine

anti-COVID-19, other

Information Source

non scientific institutions, scientific institutions, mainstream media, social media post, no source reported, source reported but unspecified

Topic

safety, efficacy, herd immunity, strategy, conspiracy, freedom of choice, health literacy, other (if more than one topic was included in the video, the researcher indicated the prevalent one)

Personal storytelling about vaccine (e.g. “today I received the vaccine”)

yes/no

Tone of voice

ironic, questioning, polemical/complaining, worried, supportive/empathic, encouraging, enthusiastic, neutral, other (if the video could be described with more than one tone of voice, the researcher indicated the prevalent one)

Stance

promotional, neutral, discouraging, ambiguous, indefinite/ironic