Tobacco harm perceptions, regulatory attitudes, and cessation intentions before and after the COVID-19 lockdown in California.

The present study examined tobacco health perceptions, regulation attitudes, and cessation intentions among California adults before and after the COVID-19 lockdown, given the pandemic's mixed impact on tobacco use. An online survey of California adults was conducted in two phases: pre-lockdown (March 2020, = 1349) and post-lockdown (May 2020, = 1201). Participants ( age 30.