Airborne Nicotine, Secondhand Smoke, and Precursors to Adolescent Smoking

Pediatrics
Jennifer J McGrathJennifer O'Loughlin

Abstract

Secondhand smoke (SHS) directly increases exposure to airborne nicotine, tobacco's main psychoactive substance. When exposed to SHS, nonsmokers inhale 60% to 80% of airborne nicotine, absorb concentrations similar to those absorbed by smokers, and display high levels of nicotine biomarkers. Social modeling, or observing other smokers, is a well-established predictor of smoking during adolescence. Observing smokers also leads to increased pharmacological exposure to airborne nicotine via SHS. The objective of this study is to investigate whether greater exposure to airborne nicotine via SHS increases the risk for smoking initiation precursors among never-smoking adolescents. Secondary students (N = 406; never-smokers: n = 338, 53% girls, mean age = 12.9, SD = 0.4) participated in the AdoQuest II longitudinal cohort. They answered questionnaires about social exposure to smoking (parents, siblings, peers) and known smoking precursors (eg, expected benefits and/or costs, SHS aversion, smoking susceptibility, and nicotine dependence symptoms). Saliva and hair samples were collected to derive biomarkers of cotinine and nicotine. Adolescents wore a passive monitor for 1 week to measure airborne nicotine. Higher airborne nicotine was s...Continue Reading

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Citations

Oct 23, 2018·Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco·Robert J WellmanJennifer O'Loughlin
Apr 5, 2020·Journal of Community Health·Elizabeth K DoBernard F Fuemmeler
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Sep 16, 2020·Asia-Pacific Journal of Public Health·Boyoung Kim, Hae Ran Kim
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Feb 19, 2021·American Journal of Public Health·Emanuella Gomes MaiaRafael Moreira Claro
Oct 14, 2021·Archives of public health = Archives belges de santé publique·Mohammed OthmanMahmoud Danaee

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