Search results for: Maciej L. Goniewicz

Items from 1 to 14 out of 14 results

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A new classification system for describing concurrent use of nicotine vaping products alongside cigarettes (so‐called ‘dual use’): findings from the ITC‐4 Country Smoking and Vaping wave 1 Survey

Ron Borland, Krista Murray, Shannon Gravely, Geoffrey T. Fong, more

Aims To determine whether a simple combination of level of smoking and level of vaping results in a useful typology for characterizing smoking and vaping behaviours. Methods Cross‐sectional data from adults (≥ 18 years) in the 2016 wave 1 ITC Four Country Smoking and Vaping Survey in the United States (n = 2291), England (n = 3591), Australia (n = 1376) and Canada (n = 2784) were used. Participants...

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Characteristics of nicotine vaping products used by participants in the 2016 ITC Four Country Smoking and Vaping Survey

Richard J. O’Connor, Brian V. Fix, Ann McNeill, Maciej L. Goniewicz, more

Addiction > 114 > S1 > 15 - 23

Background and Aims The regulatory environment for nicotine vaping products (NVPs) varies widely across countries and this will probably affect the devices used, nicotine content and usage, and hence the ability of NVPs to substitute for cigarettes. We aimed to describe the types of NVPs used by current vapers in four countries with varying regulatory and enforcement approaches toward the marketing...

article

Randomized within‐subject trial to evaluate smokers’ initial perceptions, subjective effects and nicotine delivery across six vaporized nicotine products

Natalie Voos, Lisa Kaiser, Martin C. Mahoney, Clara M. Bradizza, more

Addiction > 114 > 7 > 1236 - 1248

Background and Aims Vaporized nicotine products (VNPs) can vary in important characteristics including size, shape, flavor and nicotine yield. We examined whether complex interactions among these characteristics could affect smokers’ VNP perceptions and usage patterns. Design A within‐subject randomized cross‐over trial. Setting Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA. Participants...

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Identification of flavouring chemicals and potential toxicants in e-cigarette products in Ontario, Canada

Christine D. Czoli, Maciej L. Goniewicz, Mary Palumbo, Noel Leigh, more

Canadian Journal of Public Health > 2019 > 110 > 5 > 542-550

Objectives The current study examined constituents of e-cigarette products on the Canadian market, with a focus on the province of Ontario. Methods E-cigarettes were systematically purchased at 80 retail outlets across 4 cities in Ontario, Canada, in January–February 2015. Product constituents were identified using gas chromatography and mass spectrometry. Additionally, tobacco-specific nitrosamines...

article

E-cigarette nicotine content and labelling practices in a restricted market: Findings from Ontario, Canada

Christine D. Czoli, Maciej L. Goniewicz, Mary Palumbo, Christine M. White, more

International Journal of Drug Policy > 2018 > 58 > C > 9-12

article

Cessation of alcohol consumption decreases rate of nicotine metabolism in male alcohol-dependent smokers

Noah R. Gubner, Aleksandra Kozar-Konieczna, Izabela Szoltysek-Boldys, Ewa Slodczyk-Mankowska, more

Drug and Alcohol Dependence > 2016 > 163 > C > 157-164

Rate of nicotine metabolism is an important factor influencing cigarette smoking behavior, dependence, and efficacy of nicotine replacement therapy. The current study examined the hypothesis that chronic alcohol abuse can accelerate the rate of nicotine metabolism. Nicotine metabolite ratio (NMR, a biomarker for rate of nicotine metabolism) and patterns of nicotine metabolites were assessed at three...

article

Dual use of electronic and tobacco cigarettes among adolescents: a cross-sectional study in Poland

Maciej L. Goniewicz, Noel J. Leigh, Michal Gawron, Justyna Nadolska, more

International Journal of Public Health > 2016 > 61 > 2 > 189-197

Objectives Electronic cigarettes (e-cigarettes) are gaining in popularity among youth. While these products may be beneficial in adult smokers, the effect on young users of electronic and tobacco cigarettes (dual users) is unknown. The objective of this study was to assess the frequency of dual use among adolescents and to compare tobacco cigarette consumption among dual and exclusive tobacco cigarette...

article

Comparison of the characteristics of long-term users of electronic cigarettes versus nicotine replacement therapy: A cross-sectional survey of English ex-smokers and current smokers

Victoria A. Nelson, Maciej L. Goniewicz, Emma Beard, Jamie Brown, more

Drug and Alcohol Dependence > 2015 > 153 > C > 300-305

Electronic cigarettes (ECs) and nicotine replacement therapy (NRT) are non-combustible nicotine delivery devices being widely used as a partial or a complete long-term substitute for smoking. Little is known about the characteristics of long-term users, their smoking behaviour, attachment to smoking, experience of nicotine withdrawal symptoms, or their views on these devices. This study aimed to provide...

article

A pilot study on nicotine residues in houses of electronic cigarette users, tobacco smokers, and non-users of nicotine-containing products

Derek Bush, Maciej L. Goniewicz

International Journal of Drug Policy > 2015 > 26 > 6 > 609-611

Nicotine deposited on the surfaces has been shown to react with airborne chemicals leading to formation of carcinogens and contributing to thirdhand exposure. While prior studies revealed nicotine residues in tobacco smokers’ homes, none have examined the nicotine residue in electronic cigarette (e-cigarette) users’ homes.We measured nicotine on the surfaces in households of 8 e-cigarette users, 6...

article

Nicotine levels in electronic cigarette refill solutions: A comparative analysis of products from the US, Korea, and Poland

Maciej L. Goniewicz, Ribhav Gupta, Yong Hee Lee, Skyler Reinhardt, more

International Journal of Drug Policy > 2015 > 26 > 6 > 583-588

Electronic cigarettes vaporize nicotine dissolved in glycerine and/or propylene glycol (e-liquid). Due to a lack of regulations, e-liquids may contain inaccurately labelled nicotine levels. Our aim was to test nicotine levels in samples of e-liquids from three countries.We measured nicotine concentration in 32, 29 and 30 e-liquids purchased between 2013 and 2014 from locations in the United States...

article

Associations between perceptions of e-cigarette advertising and interest in product trial amongst US adult smokers and non-smokers: results from an internet-based pilot survey

Danielle M. Smith, Maansi Bansal-Travers, Richard J. O’Connor, Maciej L. Goniewicz, more

Tobacco Induced Diseases > 2015 > 13 > 1 > 1-12

Background Electronic cigarettes (e-cigarettes) have risen in popularity in the U.S. While recent studies have described the prevalence and demographics of e-cigarette users, few studies have evaluated the impact of advertising on perceptions and interest in trial. This pilot study was conducted to assess whether exposure to ads for e-cigarettes or a comparison product (snus), elicited differences...

article

Rise in Electronic Cigarette Use Among Adolescents in Poland

Maciej L. Goniewicz, Michal Gawron, Justyna Nadolska, Lukasz Balwicki, more

Journal of Adolescent Health > 2014 > 55 > 5 > 713-715

Despite the potential negative health effects of electronic cigarettes (e-cigarettes), these devices are increasing in popularity worldwide, especially among youth.We compared data from two cross-sectional studies conducted in Poland among students aged 15–19 years in 2010–2011 and 2013–2014. We tested differences between samples in the prevalence of e-cigarette use, tobacco cigarette smoking, and...

article

Nicotine content of electronic cigarettes, its release in vapour and its consistency across batches: regulatory implications

Maciej L. Goniewicz, Peter Hajek, Hayden McRobbie

Addiction > 109 > 3 > 500 - 507

Background and aimsElectronic cigarettes (EC) may have a potential for public health benefit as a safer alternative to smoking, but questions have been raised about whether EC should be licensed as a medicine, with accurate labelling of nicotine content. This study determined the nicotine content of the cartridges of the most popular EC brands in the United Kingdom and the nicotine levels they deliver...

article

Patterns of electronic cigarette use and user beliefs about their safety and benefits: An Internet survey

Maciej L. Goniewicz, Elena O. Lingas, Peter Hajek

Drug and Alcohol Review > 32 > 2 > 133 - 140

Introduction and AimsAs the popularity of electronic cigarettes (e‐cigarettes) increases, it is becoming important to find out more about the characteristics of e‐cigarette users, why and how they use the product and whether e‐cigarettes are used exclusively or in combination with conventional cigarettes. The objective of this study was to investigate patterns and effects of e‐cigarette use and user...

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