Week Long Topography Study of Young Adults Using Electronic Cigarettes in Their Natural Environment

Results of an observational, descriptive study quantifying topography characteristics of twenty first generation electronic nicotine delivery system users in their natural environment for a one week observation period are presented. The study quantifies inter-participant variation in puffing topogra...

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Bibliographic Details
Published in:PloS one 2016-10, Vol.11 (10), p.e0164038
Main Authors: Robinson, R J, Hensel, E C, Roundtree, K A, Difrancesco, A G, Nonnemaker, J M, Lee, Y O
Format: Article
Language:English
Subjects:
Addictive behaviors
Adolescent
Adult
Adults
Aerosols
Alcohol
Biology and Life Sciences
Cigarette smoking
Cigarettes
Cohort Studies
Delivery systems
Electronic cigarettes
Electronic Nicotine Delivery Systems - instrumentation
Electronic Nicotine Delivery Systems - methods
Electronic Nicotine Delivery Systems - statistics & numerical data
Engineering and Technology
Environment
Environments
Equipment Design
Exposure
Female
Flow rates
Flow velocity
Health care
Humans
Laboratories
Male
Mechanical engineering
Medicine and Health Sciences
Natural use
Nicotine
People and Places
Physical Sciences
Public Health
Puffing
Smoking
Social Sciences
Studies
Tobacco
Topography
User behavior
Variation
Young Adult
Young adults
Youth
Youth smoking
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Summary:Results of an observational, descriptive study quantifying topography characteristics of twenty first generation electronic nicotine delivery system users in their natural environment for a one week observation period are presented. The study quantifies inter-participant variation in puffing topography between users and the intra-participant variation for each user observed during one week of use in their natural environment. Puff topography characteristics presented for each user include mean puff duration, flow rate and volume for each participant, along with descriptive statistics of each quantity. Exposure characteristics including the number of vaping sessions, total number of puffs and cumulative volume of aerosol generated from ENDS use (e-liquid aerosol) are reported for each participant for a one week exposure period and an effective daily average exposure. Significant inter-participant and intra-participant variation in puff topography was observed. The observed range of natural use environment characteristics is used to propose a set of topography protocols for use as command inputs to drive machine-puffed electronic nicotine delivery systems in a controlled laboratory environment.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0164038