A systematic review of second-hand smoking mass media campaigns (2002-2022).

"data availability data supporting the results can be found here: https://github com/clim072"

"Declarations Ethics approval and consent to participateNot applicable. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study is part of the Indonesian Smoke-Free project supported by the Department of Foreign Affairs and Trade & Australia-Indonesia Institute grant (AII202100095). CL, JL, and GC are supported by a NHMRC Investigator Fellowship (GNT2026806; GNT2010008; GNT1176137). BR is supported by The University of Queensland Living Stipend and Tuition Scholarship. CG holds an ARC Future Fellowship (FT220100186), a NHMRC Centre of Research Excellence Grant (GNT1198301), a NHMRC Synergy Grant (GNT2019252), and has performed consultancy work for HMA consultants on behalf of the Australian Government and contract research for World Health Organization. The funders had no role in the conceptualisation, design, data collection, analysis, decision to publish, or preparation of the manuscript."

"This review followed the Preferred Reporting Items for Systematic Review and Meta-analyses (PRISMA) guidelines (Table ) and was registered on PROSPERO (CRD42022322843)."