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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Thorax. 2022 Jan 10;77(7):663–668. doi: 10.1136/thoraxjnl-2021-217041

Figure 1.

Figure 1

Prevalence of personal and secondhand tobacco and cannabis smoking and nicotine vaping during the study period (waves 1–4). CurrEcig, e-cigarette use in past 30 days; CurrMj, smoking or vaping cannabis in past 30 days; CurrSmk, smoking cigarette, cigar or cigarillos in past 30 days; PVS, personal vaping or smoking of nicotine or cannabis products in the previous 30 days; SHNV, secondhand vape exposure (nicotine); SHS, secondhand smoke exposure (tobacco); SHC-secondhand cannabis (vape or smoke) exposure.