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Addict Behav. 2019 Nov;98:106041. doi: 10.1016/j.addbeh.2019.106041. Epub 2019 Jul 2.

Nicotine in thirdhand smoke residue predicts relapse from smoking cessation: A pilot study.

Author information

1
San Diego State University, Department of Psychology, San Diego, CA, USA. Electronic address: gmatt@sdsu.edu.
2
Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
3
San Diego State University Research Foundation, San Diego, CA, USA.
4
San Diego State University, School of Public Health, San Diego, CA, USA.
5
Veterans Administration San Diego Healthcare System and Department of Psychiatry, University of California, San Diego, CA, USA.

Abstract

INTRODUCTION:

Thirdhand smoke (THS) residue lingers for months in homes of former smokers and may play a role in relapse after smoking cessation. This study examined the association between THS pollution as measured by the level of nicotine in house dust and continued abstinence from smoking.

METHODS:

Participants were 65 cigarette smokers who reported they were enrolled in any type of smoking cessation program, had set a specific date to quit, and had biochemical verification of continuous abstinence at 1-week (W1), 1-month (M1), 3-months (M3), or 6-months (M6) after their quit date. House dust samples collected at baseline before quitting were analyzed for nicotine concentration (μg/g) and nicotine loading (μg/m2) using liquid chromatography-tandem mass spectrometry (LC-MS/MS).

RESULTS:

Controlling for age, gender, overall and indoor smoking rates, and years lived in their home, dust nicotine concentration and loading predicted abstinence at W1, M1, M3, and M6. A 10-fold increase in dust nicotine loading and concentration were associated with approximately 50% lower odds of remaining abstinent.

CONCLUSIONS:

Findings suggest nicotine in house dust may play a role in facilitating relapse after smoking cessation. Additional research is warranted to investigate the causal role of THS residue in homes of former smokers on cravings and continued abstinence.

KEYWORDS:

Nicotine; Relapse; Smoking cessation; Thirdhand smoke

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