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Tob Regul Sci. 2016 Apr;2(2):146-152. doi: 10.18001/TRS.2.2.5. Epub 2016 Apr 1.

Perceptions of Secondhand E-Cigarette Aerosol Among Twitter Users.

Author information

1
Professor of Preventive Medicine, University of Southern California, Los Angeles, CA.
2
Predoctoral student, University of Southern California, Los Angeles, CA.
3
Postdoctoral fellow, University of Southern California, Los Angeles, CA.
4
Project Manager, University of Southern California, Los Angeles, CA.
5
Research Associate, University of Southern California, Los Angeles, CA.
6
Associate Professor, University of Southern California, Los Angeles, CA.

Abstract

OBJECTIVES:

There is considerable debate among the public health community about the health risks of secondhand exposure to the aerosol from electronic cigarettes (e-cigarettes). Despite mounting scientific evidence on the chemical content of e-cigarette aerosol, public perceptions of the relative safety of secondhand e-cigarette aerosol have not been well characterized.

METHOD:

This study collected tweets, or messages sent using Twitter, about exposure to secondhand e-cigarette aerosol over a 6-week period in 2015. Tweets were coded on sentiment about e-cigarettes (pro-, anti-, or neutral/unknown) and topic (health, social, advertisement, or unknown).

RESULTS:

The 1519 tweets included 531 pro-e-cigarette tweets, 392 anti-e-cigarette tweets, and 596 neutral tweets. Social tweets far outnumbered health tweets (747 vs. 182, respectively). Social-focused tweets were predominantly pro-e-cigarette, whereas health-focused tweets were predominantly anti-e-cigarette.

DISCUSSION:

Twitter discussions about secondhand vaping are dominated by pro-e-cigarette social tweets, although there is a presence of anti-e-cigarette social tweets and tweets about negative and positive health effects. Public health and regulatory agencies could use social media and traditional media to disseminate the message that e-cigarette aerosol contains potentially harmful chemicals and could be perceived as offensive. This study identifies the prevalent topics and opinions that could be incorporated into health education messages.

KEYWORDS:

Twitter; e-cigarettes; secondhand vapor

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