Nicotine metabolite ratio predicts smoking topography: The Pennsylvania Adult Smoking Study

Allshine Chen, Nicolle M. Krebs, Junjia Zhu, Joshua Muscat

Research output: Contribution to journalArticle

Abstract

Background: The nicotine metabolite ratio (NMR) as measured by the ratio of 3′hydroxycotinine to cotinine has been examined in relation to tobacco use patterns including cigarettes per day and quit success to determine its role in nicotine dependence. We examined the NMR in relation to smoking topography and tested the hypothesis that normal metabolizers have a greater total daily puff volume than slow metabolizers. Methods: The Pennsylvania Adult Smoking Study (PASS) is a longitudinal study of 352 adults who smoked, on average, 17 cigarettes per day. Subjects used a portable smoking topography device over a two-day period at home and at work. We measured the ratio of 3′hydroxycotinine to cotinine in the saliva of the subjects. Results: In multiple linear regression analyses, a higher rate of nicotine metabolism was significantly associated with increased daily puffs and total daily puff volume. In a mediation analysis, a significant, indirect effect of race on the relationship between NMR and puff volume was observed, with 22% of the effect mediated by white race. A higher NMR was also associated with female gender, white race, cigarettes per day and nicotine dependence measures. Conclusion: The NMR was associated with tobacco use patterns including smoking topography. Faster nicotine metabolism was associated with greater total daily puffs and puff volume.

Original languageEnglish (US)
Pages (from-to)89-93
Number of pages5
JournalDrug and Alcohol Dependence
Volume190
DOIs
StatePublished - Sep 1 2018

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Metabolites
Nicotine
Topography
Smoking
Tobacco Products
Cotinine
Tobacco Use Disorder
Tobacco Use
Tobacco
Metabolism
Saliva
Longitudinal Studies
Linear Models
Linear regression
Regression Analysis
Equipment and Supplies

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Pharmacology
  • Psychiatry and Mental health
  • Pharmacology (medical)

Cite this

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abstract = "Background: The nicotine metabolite ratio (NMR) as measured by the ratio of 3′hydroxycotinine to cotinine has been examined in relation to tobacco use patterns including cigarettes per day and quit success to determine its role in nicotine dependence. We examined the NMR in relation to smoking topography and tested the hypothesis that normal metabolizers have a greater total daily puff volume than slow metabolizers. Methods: The Pennsylvania Adult Smoking Study (PASS) is a longitudinal study of 352 adults who smoked, on average, 17 cigarettes per day. Subjects used a portable smoking topography device over a two-day period at home and at work. We measured the ratio of 3′hydroxycotinine to cotinine in the saliva of the subjects. Results: In multiple linear regression analyses, a higher rate of nicotine metabolism was significantly associated with increased daily puffs and total daily puff volume. In a mediation analysis, a significant, indirect effect of race on the relationship between NMR and puff volume was observed, with 22{\%} of the effect mediated by white race. A higher NMR was also associated with female gender, white race, cigarettes per day and nicotine dependence measures. Conclusion: The NMR was associated with tobacco use patterns including smoking topography. Faster nicotine metabolism was associated with greater total daily puffs and puff volume.",
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Nicotine metabolite ratio predicts smoking topography : The Pennsylvania Adult Smoking Study. / Chen, Allshine; Krebs, Nicolle M.; Zhu, Junjia; Muscat, Joshua.

In: Drug and Alcohol Dependence, Vol. 190, 01.09.2018, p. 89-93.

Research output: Contribution to journalArticle

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