The questions covered a wide range of topics, including sociodemographic and workplace-related questions, SARS-CoV-2-specific strains and challenges in schools for teachers, the implementation, communication, and compliance with hygienic guidelines or plans (both general and school-based), the impact of school operations during the SARS-CoV-2 pandemic on teachers, and examples of proven measures
Alberg, Shopland, and Cummings, 2014 Surgeon Generals Report, 407
Specifically, participants who changed from no social media use to non-daily or daily use had higher odds of perceiving ENDS as less harmful than smoking cigarettes (aOR (95% CI): 1.56 (1.25, 1.95) and 1.51 (1.27, 1.79), respectively)
Cigarette packs are usually small containers that contain 10-25 cigarettes with 20 being the most common number in the U.S
For heavy smokers, this might be 18mg/ml or higher