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Relative perceptions of harmfulness of HTPs compared to cigarettes among concurrent users stratified by smoking and HTP use frequency (Predominant Smokers vs. Concurrent-daily Users vs. Concurrent Non-daily Users). Data are weighted and adjusted. HTPs: Heated tobacco products. Predominant Smokers: smoke cigarettes daily and use HTP less than daily; Concurrent-daily users: smoke cigarettes and use HTP daily; Concurrent non-daily users: smoke cigarettes and use HTP less than daily.
