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dc.contributor.authorShahab, Lionen_UK
dc.contributor.authorMortimer, Emilyen_UK
dc.contributor.authorBauld, Lindaen_UK
dc.contributor.authorMcGowan, Jennifer Aen_UK
dc.contributor.authorMcNeill, Annen_UK
dc.contributor.authorTyndale, Rachel Fen_UK
dc.description.abstractPharmacotherapy provision based on Nicotine Metabolite Ratio (NMR) status (slow/normal metabolism) may improve smoking cessation rates. However, it is unclear whether NMR status is consistent across patient characteristics and current treatment choice. Data come from 1,826 participants attending Stop Smoking Services (SSS) across England in 2012/13. Sociodemographic, mental/physical health, smoking and treatment characteristics (nicotine replacement therapy vs. other pharmacotherapy; group vs. one-to-one behavioural support) were assessed. Salivary nicotine metabolites were measured and NMR (3-hydroxycotinine/cotinine) computed, characterising smokers as slow (NMR<0.31) or normal (NMR≥0.31) metabolisers. Normal metabolisers were older than slow metabolisers (Odds Ratio (OR) =1.49, 95% Confidence Interval (CI) =1.32–1.69) but no other characteristics were associated with NMR status. Overall, predictors accounted for only 7.3% of NMR variance. In adjusted analysis, pharmacotherapy type was not associated with NMR status, but normal metabolisers were less likely to use group support (OR =0.67, 95% CI =0.51–0.89). NMR status does not vary substantially across sociodemographic characteristics. Given its impact on pharmacotherapy efficacy, the lack of an association with pharmacotherapy choice suggests there is scope to use NMR status to optimise the selection and efficacy of smoking cessation pharmacotherapy. The unexpected association of NMR status with behavioural support should be explored further.en_UK
dc.publisherSpringer Natureen_UK
dc.relationShahab L, Mortimer E, Bauld L, McGowan JA, McNeill A & Tyndale RF (2017) Characterising the nicotine metabolite ratio and its association with treatment choice: A cross sectional analysis of Stop Smoking Services in England. Scientific Reports, 7, Art. No.: 17613.
dc.rightsThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
dc.subjectSmoking Cessationen_UK
dc.subjectSmoking Cessation Aidsen_UK
dc.titleCharacterising the nicotine metabolite ratio and its association with treatment choice: A cross sectional analysis of Stop Smoking Services in Englanden_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleScientific Reportsen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.funderMedical Research Councilen_UK
dc.contributor.funderEconomic and Social Research Councilen_UK
dc.contributor.funderNational Institute for Health Researchen_UK
dc.contributor.affiliationUniversity College Londonen_UK
dc.contributor.affiliationUniversity College Londonen_UK
dc.contributor.affiliationInstitute for Social Marketingen_UK
dc.contributor.affiliationUniversity College Londonen_UK
dc.contributor.affiliationKing's College Londonen_UK
dc.contributor.affiliationUniversity of Torontoen_UK
dc.relation.funderprojectEvaluating longer term outcomes of NHS stop smoking servicesen_UK
dc.relation.funderprojectThe UK Centre for Tobacco Control Studiesen_UK
dc.relation.funderprojectThe Uk Centre for Tobacco & Alcohol Studies (UKCTAS)en_UK
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