Summary
The study has three main aims related to evaluating the use of Electronic Nicotine Delivery Systems (ENDS) in smoke-free places. The key findings are:
1. attitudinal and behavioral characteristics: The study evaluated the characteristics associated with self-reported past 30-day use of ENDS in smoke-free places. however, specific findings related to this aim are not provided in the context.
2. Emissions comparison: The study assessed differences in particulate matter and nicotine emissions between JUUL and tank-system ENDS in a controlled setting. It was found that within ten minutes of use, ENDS devices introduced levels of PM2.5 and airborne nicotine into the indoor air environment that were significantly higher than ambient smoke-free conditions. This suggests that ENDS compliance should be considered in smoke-free policies and highlights the need for future research into new ways to evaluate ENDS use in smoke-free places.
3. Product type comparison: The study found that PM2.5 emission characteristics within the first ten minutes of ENDS use vary by product type. This suggests that different types of ENDS may have different impacts on indoor air quality.
4. Nicotine concentrations and puff topography: The study found that nicotine concentrations used in each product varied, and the emission of nicotine and PM2.5 matter occurred independently from puff topography. This implies that the pattern of puffing does not significantly affect emissions.
In summary, the study found that ENDS use in smoke-free places can significantly increase PM2.5 and nicotine levels in the indoor air environment. It also found variations in emissions between different types of ENDS and that nicotine concentrations and puff topography do not have a significant impact on emissions.
Citation
Dunbar ZR. De-Mystifying the Fog: assessment of aerosol Exposure from Novel Nicotine Delivery Devices. Ph.D. State University of New York at Buffalo; 2020.
