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Tao X, Zhang J, Meng Q, Chu J, Zhao R, Liu Y, Dong Y, Xu H, Tian T, Cui J, Zhang L, Chu M. The potential health effects associated with electronic-cigarette. ENVIRONMENTAL RESEARCH 2024; 245:118056. [PMID: 38157958 DOI: 10.1016/j.envres.2023.118056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 12/17/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
A good old gateway theory that electronic-cigarettes (e-cigarettes) are widely recognized as safer tobacco substitutes. In actuality, demographics also show that vaping cannibalizes smoking, the best explanation of the data is the "common liability". However, the utilization of e-cigarette products remains a controversial topic at present. Currently, there has been a widespread and substantial growth in e-cigarette use worldwide owing to their endless new flavors and customizable characteristics. Furthermore, e-cigarette has grown widespread among smokers as well as non-smokers, including adolescents and young adults. And some studies have shown that e-cigarette users are at greater risk to start using combustible cigarettes while e-cigarettes use was also observed the potential benefits to people who want to quit smoking or not. Although it is true that e-cigarettes generally contain fewer toxic substances than combustible cigarettes, this does not mean that the chemical composition in e-cigarettes aerosols poses absolutely no risks. While concerns about toxic substances in e-cigarettes and their widespread use in the population are reasonable, it is also crucial to consider that e-cigarettes have been associated with the potential for promoting smoking cessation and the clinically relevant improvements in users with smoking-related pathologies. Meanwhile, there is still short of understanding of the health impacts associated with e-cigarette use. Therefore, in this review, we discussed the health impacts of e-cigarette exposure on oral, nasal, pulmonary, cardiovascular systems and brain. We aspire for this review to change people's previous perceptions of e-cigarettes and provide them with a more balanced perspective. Additionally, we suggest appropriate adjustments on regulation and policy for e-cigarette to gain greater public health benefits.
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Affiliation(s)
- Xiaobo Tao
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China
| | - Jiale Zhang
- The Second People's Hospital of Nantong, Nantong, Jiangsu, China
| | - Qianyao Meng
- Department of Global Health and Population, School of Public Health, Harvard University, Boston, USA
| | - Junfeng Chu
- Department of Oncology, Jiangdu People's Hospital of Yangzhou, Yangzhou, Jiangsu, China
| | - Rongrong Zhao
- Department of Oncology, Jiangdu People's Hospital of Yangzhou, Yangzhou, Jiangsu, China
| | - Yiran Liu
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China
| | - Yang Dong
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China
| | - Huiwen Xu
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China
| | - Tian Tian
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China
| | - Jiahua Cui
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China
| | - Lei Zhang
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China.
| | - Minjie Chu
- Department of Epidemiology, School of Public Health, Nantong University, Nantong, Jiangsu, China.
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Ahuja N, Kedia S, Ward KD, Jiang Y, Dillon PJ. Predictors of Adolescents' Transition Through the Stages of Change for Quitting E-Cigarettes: Findings From the Population Assessment of Tobacco and Health Study. Am J Health Promot 2024:8901171231222077. [PMID: 38258817 DOI: 10.1177/08901171231222077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
PURPOSE To identify predictive factors associated with US adolescents' transition through the stages of change for potentially quitting e-cigarettes using the Trans-theoretical model of behavior change. DESIGN Prospective cohort study. SETTING United States. SUBJECTS We utilized data from adolescents (12-17 years) in Wave 3 of the Population Assessment of Tobacco and Health study who used e-cigarettes exclusively over the past 30 days (n = 177) and were followed up with in Wave 4. MEASURES Outcome variables were 3 transition categories: those who remained stagnant, those who progressed, and those who regressed in their stage of quitting e-cigarettes. Predictor variables were socio-demographics, e-cigarette harm perception, e-cigarette use at home or by important people, social norms, e-cigarette and anti-tobacco advertisements, and e-cigarette health warnings. ANALYSIS Weighted-adjusted multinomial regression analysis was performed to determine the association between predictor and outcome variables. RESULTS From Wave 3 to Wave 4, 19% of adolescents remained stagnant; 73.3% progressed; and 7.7% regressed. Adolescents were less likely to progress in their stage of change if they perceived nicotine in e-cigarettes to be "not at all/slightly harmful" (AOR = .26 [95% CI: .25, .27], P < .001); reported important people's use of e-cigarettes (AOR = .18 [95% CI: .05, .65, P = .009); and "rarely" noticed e-cigarette health warnings (AOR = .28 [95% CI: .08, .98, P = .054). CONCLUSION Intervention efforts must target specific predictive factors that may help adolescents quit e-cigarettes.
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Affiliation(s)
- Nikhil Ahuja
- Department of Public Health, Slippery Rock University of Pennsylvania, Slippery Rock, PA, USA
| | - Satish Kedia
- Division of Social and Behavioral Sciences, University of Memphis, School of Public Health, Memphis, TN, USA
| | - Kenneth D Ward
- Division of Social and Behavioral Sciences, University of Memphis, School of Public Health, Memphis, TN, USA
| | - Yu Jiang
- Division of Epidemiology and Biostatistics, University of Memphis, School of Public Health, Memphis, TN, USA
| | - Patrick J Dillon
- School of Communication Studies, Kent State University at Stark, North Canton, OH, USA
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Cook S, Ortiz Chavez S, Zavala-Arciniega L, Hirschtick JL, Fleischer NL. Trends of Single, Dual, and Polytobacco Use Among School-Based Students in the United States: An Analysis of the National Youth Tobacco Survey. Am J Health Promot 2023; 37:1078-1090. [PMID: 37495509 DOI: 10.1177/08901171231191557] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
PURPOSE To examine trends in single, dual, and polytobacco use between 2014-2020 for US youth and to identify disparities in these trends by grade level, sex, and race/ethnicity. DESIGN A secondary analysis of the National Youth Tobacco Survey (NYTS). SUBJECTS A total of 122 566 students. MEASURES Past 30-day exclusive use of cigarettes, e-cigarettes, other combustibles (cigars, little cigars, cigarillos, hookah, pipe tobacco, bidis) and smokeless tobacco (snus, smokeless, dissolvable); dual use of each product with e-cigarettes; polyuse with e-cigarettes; dual/polyuse without e-cigarettes. ANALYSIS Multivariable modified Poisson regression. RESULTS Compared to 2014, exclusive e-cigarette use (APR = 2.51, 95% CI: 1.96, 3.21) trended upward while exclusive cigarette (APR = .34, 95% CI: .23, .50), 'other' combustibles (APR = .47, 95% CI: .37, .58), and smokeless tobacco (APR = .40, 95% CI: .25, .65) use trended downward in 2020. Polytobacco use with and without e-cigarettes trended downward in 2020 compared to 2014. We also saw differences in trends across sociodemographic groups. Comparing 2020 to 2014, exclusive e-cigarette use was higher for females than males, 'other' combustible tobacco use remained stable for Non-Hispanic Black students but decreased for other racial/ethnic groups, and dual e-cigarette/cigarette use trended upward more for middle school students than high school students. CONCLUSIONS Despite decreased trends in tobacco product use without e-cigarettes between 2014-2020, differences in tobacco product use trends by grade level, sex, and race/ethnicity were identified. Prevention efforts targeting disparities in tobacco product use are needed.
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Affiliation(s)
- Steven Cook
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Stephany Ortiz Chavez
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Luis Zavala-Arciniega
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Jana L Hirschtick
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Nancy L Fleischer
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
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Font-Mayolas S, Sullman MJM, Hughes JD, Gras ME, Lucena Jurado V, Calvo F. Cigarette, e-cigarette and waterpipe cognitions and use among university students in Guangzhou, China. Tob Induc Dis 2023; 21:30. [PMID: 36844384 PMCID: PMC9943935 DOI: 10.18332/tid/159171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 11/24/2022] [Accepted: 01/10/2023] [Indexed: 02/24/2023] Open
Abstract
INTRODUCTION There is currently little research on polytobacco use in China. The present study examined cognitions that predicted the use of cigarettes, e-cigarettes and waterpipes in a Chinese sample of students. METHODS A convenience sample of 281 university students, obtained using snowball sampling, completed an online survey during the 2019-2020 academic year in Guangzhou, China. RESULTS Men more strongly agreed, than women, with the possible advantages of using alternative nicotine and tobacco products, including: young people who smoke have more friends, smoking makes young people look cool, smoking makes young people feel more comfortable, smoking helps relieve stress, and it would be easy to quit. Factors significantly associated with regular cigarette use were the cognitions: 'I would smoke if my best friend offered', 'Young people who use these products have more friends', and 'It would be easy to quit these products' (global good classifications= 80.1%). In the case of waterpipes, agreement with the cognition: 'The product helps people relieve stress' was significantly associated with its use (global good classifications=80.1%). In the case of e-cigarettes, agreement with the cognitions: 'I would smoke if my best friend offered' and 'It would be easy to quit using these products' were significantly associated with the use of e-cigarettes (global good classifications=74.7%). CONCLUSIONS The results highlight the need to develop prevention programs that prepare young Chinese people to resist social pressure from friends to use tobacco products. There is also evidence of the need to facilitate and disseminate rigorous scientific information among young people about the possible negative health effects of alternative tobacco products. There were also gender differences in the use of these products and in the cognitions towards their use, so it is important to take the gender perspective into account in the analysis of the results and when writing future questionnaire items.
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Affiliation(s)
| | | | - Jiawei D. Hughes
- Department of Psychology, Drexel University, Philadelphia, United States
| | - Maria-Eugenia Gras
- Quality of Life Research Institute, Universitat de Girona, Girona, Spain
| | | | - Fran Calvo
- Quality of Life Research Institute, Universitat de Girona, Girona, Spain
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Ahuja N, Kedia SK, Jiang Y, Xie L, Ward KD, Pichon LC, Dillon PJ, Yu X. Factors Associated With E-Cigarette Quitting Behavior Among Adolescents in the United States: A Prospective Observational Study. J Adolesc Health 2022; 71:729-736. [PMID: 36088234 DOI: 10.1016/j.jadohealth.2022.07.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 06/30/2022] [Accepted: 07/08/2022] [Indexed: 12/15/2022]
Abstract
PURPOSE This prospective observational study examined the association of socioecological factors with quitting behavior among US adolescents who exclusively use electronic cigarettes (e-cigarettes). METHODS We used data from past 30-day adolescent exclusive e-cigarette users (n = 243) participating in Wave 3 of the Population Assessment of Tobacco and Health study, who were then followed-up with approximately 12 months later for Wave 4. Weighted unadjusted and adjusted multivariate logistic regression models and structural equation modeling were performed to analyze the data. RESULTS Adolescents were significantly less likely to quit e-cigarettes if they perceived that nicotine in e-cigarettes was "slightly/somewhat harmful" to health (adjusted odds ratio [aOR] = 0.38; 95% confidence interval [CI]: 0.16-0.90, p = .02). Similarly, adolescents who reported that someone else in their home owned an e-cigarette (aOR = 0.43 [95% CI: 0.19-0.94], p = .03) or important people in their life used e-cigarettes (aOR = 0.45 [95% CI: 0.21-0.95], p = .03) were significantly less likely to quit e-cigarettes. The structural equation modeling showed a direct significant relationship of individual-level (b = 0.206, p = .02) and interpersonal-level factors (b = 0.170, p = .04) with e-cigarette quitting behavior. DISCUSSION Our findings suggest that individual-level (harm perception) and interpersonal-level (e-cigarette use at home and by important people) factors may play a significant role in e-cigarette quitting behavior among US adolescents.
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Affiliation(s)
- Nikhil Ahuja
- Department of Public Health and Social Work, Slippery Rock University of Pennsylvania, Slippery Rock, Pennsylvania.
| | - Satish K Kedia
- Division of Social and Behavioral Sciences, University of Memphis, School of Public Health, Memphis, Tennessee
| | - Yu Jiang
- Division of Epidemiology and Biostatistics, University of Memphis, School of Public Health, Memphis, Tennessee
| | - Lu Xie
- Division of Epidemiology and Biostatistics, University of Memphis, School of Public Health, Memphis, Tennessee
| | - Kenneth D Ward
- Division of Social and Behavioral Sciences, University of Memphis, School of Public Health, Memphis, Tennessee
| | - Latrice C Pichon
- Division of Social and Behavioral Sciences, University of Memphis, School of Public Health, Memphis, Tennessee
| | - Patrick J Dillon
- School of Communication Studies, Kent State University at Stark, North Canton, Ohio
| | - Xinhua Yu
- Division of Epidemiology and Biostatistics, University of Memphis, School of Public Health, Memphis, Tennessee
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Palmer AM, Price SN, Foster MG, Sanford BT, Fucito LM, Toll BA. Urgent Need for Novel Investigations of Treatments to Quit E-cigarettes: Findings from a Systematic Review. Cancer Prev Res (Phila) 2022; 15:569-580. [PMID: 35816038 PMCID: PMC9444997 DOI: 10.1158/1940-6207.capr-22-0172] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/01/2022] [Accepted: 07/05/2022] [Indexed: 11/16/2022]
Abstract
E-cigarette use has been increasing globally over the past decade. Many use e-cigarettes as an alternative or method to quit cigarette smoking, whereas others use these products recreationally. As technology has advanced, many individuals have reported symptoms of dependence on these products and continue to use them beyond achieving abstinence from smoking. Despite individuals reporting interest in quitting, little is known about e-cigarette cessation. This systematic review sought to identify and evaluate all human subjects literature published on the outcome of e-cigarette cessation through September 2021. Of the 79 articles identified, 56 were cross-sectional, 6 were qualitative, 5 were cohort studies, 3 were experimental, 2 were mixed methods, and 7 reported intervention or case studies of e-cigarette cessation. Results showed youth generally had high intent to quit e-cigarettes, whereas results were mixed with adult samples. Youth were motivated to quit e-cigarettes by health concerns, whereas adults were motivated to quit e-cigarettes by cost, lack of satisfaction, and psychologic factors. Adults were more likely to report past e-cigarette quit attempts, most commonly "cold turkey." Few interventions tested strategies for e-cigarette cessation, with a majority targeted for youth. Given the lack of information on e-cigarette cessation, recommendations for future studies are outlined.
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Affiliation(s)
- Amanda M. Palmer
- Department of Public Health Sciences, Medical University of South Carolina, Charleston SC USA,Department of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Sarah N. Price
- Department of Psychology, University of Arizona, Tucson, AZ, USA,Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Madeline G. Foster
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Brandon T. Sanford
- Department of Public Health Sciences, Medical University of South Carolina, Charleston SC USA,Department of Family Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Lisa M. Fucito
- Department of Psychiatry, Yale School of Medicine, New Haven, CT USA,Yale Cancer Center, New Haven, CT USA
| | - Benjamin A. Toll
- Department of Public Health Sciences, Medical University of South Carolina, Charleston SC USA,Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA,Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA,Department of Psychiatry, Yale School of Medicine, New Haven, CT USA
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Rubenstein D, Pacek LR, McClernon FJ. Multiple Tobacco Product Use Conceptual Framework: A 2021 Update on Evidence. Nicotine Tob Res 2022; 24:1208-1217. [PMID: 35137194 PMCID: PMC9278823 DOI: 10.1093/ntr/ntac032] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 01/04/2022] [Accepted: 01/31/2022] [Indexed: 02/07/2023]
Abstract
INTRODUCTION One-third of adults in the United States who use tobacco regularly use two or more types of tobacco products. As the use of e-cigarettes and other noncombusted tobacco products increases-making multiple tobacco product (MTP) use increasingly common-it is essential to evaluate the complex factors that affect product use. AIMS AND METHODS In this update to our 2019 conceptual framework, we review and evaluate recent literature and expand the model to include ways in which MTP use may be affected by market factors such as the introduction of new products and socioenvironmental factors like marketing and advertising. RESULTS AND CONCLUSIONS MTP use patterns are complex, dynamic, and multiply determined by factors at the level of individuals, products, situations or contexts, and marketplace. Substitution, or using one product with the intent of decreasing use of another, and complementarity, or using multiple products for different reasons or purposes, explain patterns in MTP use. Moreover, substitution and complementarity may inform our understanding of how market changes targeted at one product, for instance, new product standards, bans, product pricing, and taxation, affect consumption of other tobacco products. New data from natural experiments and novel laboratory-based techniques add additional data and expand the framework. IMPLICATIONS A substantial proportion of people who use tobacco use more than one product. This review synthesizes and evaluates recent evidence on the diverse factors that affect MTP use in addition to expanding our framework. Our review is accompanied by suggested research questions that can guide future study.
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Affiliation(s)
- Dana Rubenstein
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Lauren R Pacek
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
| | - F Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
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Lim KH, Cheong YL, Lim HL, Ghazali SM, Kee CC, Cheah YK, Heng PP, Hashim MHM, Tan CV, Lim JH. Correlates of dual/poly tobacco use among school-going
adolescents in Malaysia: Findings from a nationwide school-based
study. Tob Induc Dis 2022; 20:52. [PMID: 35733644 PMCID: PMC9164214 DOI: 10.18332/tid/148247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/27/2022] Open
Abstract
INTRODUCTION Dual/poly tobacco use is common among youths globally. However, in Malaysia information on dual/poly tobacco use is scarce, thus the present study examines the prevalence and factors associated with dual/poly tobacco users among school-going adolescents in Malaysia. METHODS We derived data on tobacco and e-cigarette use among Malaysian adolescents from a nationwide school-based study conducted in 2016. A total of 13135 adolescents responded in the cross-sectional survey which used multi-stage sampling to select a representative sample of school-going adolescents aged 11–19 years. A standard validated questionnaire was used to obtain the data and multiple logistic regression was conducted to assess factors associated with dual/ poly tobacco use. RESULTS The prevalence of dual/poly tobacco use was 6.5%, more than half of which were both conventional and e-cigarette users. Multivariable logistic regression revealed that the likelihood of dual tobacco use was significantly higher among males (AOR=14.73; 95% CI: 9.11–23.81), secondary school students, those aged 16–19 years (AOR=5.99; 95% CI: 4.04–8.87), natives of Sabah (AOR=7.41; 95% CI: 3.48–15.79), and those never been taught on the health hazards of tobacco at school, exposed to secondhand smoke (SHS) at home, school or other public areas, and had a positive perception of e-cigarettes and lower perception of the harms of tobacco smoking. CONCLUSIONS Although the prevalence of dual/poly users was still low among Malaysian school-going adolescents, proactive measures should be taken to reduce dual tobacco use among youth in Malaysia with focus on the factors identified in this study.
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Affiliation(s)
- Kuang Hock Lim
- Institute for Medical Research, National Institutes of Health, Kuala Lumpur, Malaysia
| | - Yoon Ling Cheong
- Institute for Medical Research, National Institutes of Health, Kuala Lumpur, Malaysia
| | - Hui Li Lim
- Clinical Research Centre, Hospital Sultan Ismail, Johor Bahru, Malaysia
| | - Sumarni Mohd Ghazali
- Institute for Medical Research, National Institutes of Health, Kuala Lumpur, Malaysia
| | - Chee Cheong Kee
- Department of Biostatistics and Data Repository, National Institutes of Health, Shah Alam, Malaysia
| | - Yong Kang Cheah
- School of Economics, Finance and Banking, Universiti Utara Malaysia, Sintok, Malaysia
| | - Pei Pei Heng
- Institute for Medical Research, National Institutes of Health, Kuala Lumpur, Malaysia
| | | | - Cia Vei Tan
- Institute for Medical Research, National Institutes of Health, Kuala Lumpur, Malaysia
| | - Jia Hui Lim
- Pharmacy Department, Hospital Putrajaya, Putrajaya, Malaysia
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Tarasenko Y, Ciobanu A, Fayokun R, Lebedeva E, Commar A, Mauer-Stender K. Electronic cigarette use among adolescents in 17 European study sites: findings from the Global Youth Tobacco Survey. Eur J Public Health 2022; 32:126-132. [PMID: 34694383 PMCID: PMC8807119 DOI: 10.1093/eurpub/ckab180] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND As new findings on public health implications of electronic cigarette (e-cigarette) use emerge, its surveillance remains of utmost importance. This study examined the latest state of e-cigarette use in youth in 17 European study sites (i.e. 16 countries and the Federation of Bosnia and Herzegovina) using the Global Youth Tobacco Survey (GYTS). METHODS This was an observational study. Cross-sectional data on students aged 11-17 years from the latest available GYTS round completed in 17 study sites were used to estimate crude and adjusted prevalence of e-cigarette use by sex and pocket money. Panel GYTS data from five countries were used for the trend analyses. All analyses were weighted to account for the survey design and non-response. RESULTS Compared to 2014, the age-adjusted prevalence of e-cigarette use more than doubled in Georgia and Italy, and nearly doubled in Latvia. Significantly more male than female students aged 11-17 years reported use of e-cigarettes, with little to no confounding by age, grade and pocket money across countries. Youth with medium or higher amount of pocket money was 20-200% more likely to use e-cigarettes than those with fewer to no pocket money in 14 study sites. DISCUSSION As e-cigarette use is becoming widespread throughout the world, there is variation in use among and between countries. Expanded and consistent surveillance of e-cigarette use by all World Health Organization member states is essential to generate data on the extent and correlates of youth e-cigarette use for evidence-based planning and evaluation of the electronic nicotine delivery systems and electronic non-nicotine delivery systems national and global control programmes.
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Affiliation(s)
- Yelena Tarasenko
- Department of Biostatistics, Epidemiology and Environmental Health Sciences, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA, USA
- Division of Country Health Programmes, Regional Office for Europe, World Health Organization, WHO European Office for the Prevention and Control of NCDs, Moscow, Russian Federation
| | - Angela Ciobanu
- Division of Country Health Programmes, Regional Office for Europe, World Health Organization, WHO European Office for the Prevention and Control of NCDs, Moscow, Russian Federation
| | - Ranti Fayokun
- No Tobacco Unit, Healthier Populations Division, Health Promotion Department, World Health Organisation, Geneva, Switzerland
| | - Elizaveta Lebedeva
- Division of Country Health Programmes, Regional Office for Europe, World Health Organization, WHO European Office for the Prevention and Control of NCDs, Moscow, Russian Federation
| | - Alison Commar
- No Tobacco Unit, Healthier Populations Division, Health Promotion Department, World Health Organisation, Geneva, Switzerland
| | - Kristina Mauer-Stender
- Division of Country Support and Emergencies, Regional Office for Europe, World Health Organization, Copenhagen, Denmark
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10
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Raitasalo K, Bye EK, Pisinger C, Scheffels J, Tokle R, Kinnunen JM, Ollila H, Rimpelä A. Single, Dual, and Triple Use of Cigarettes, e-Cigarettes, and Snus among Adolescents in the Nordic Countries. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:683. [PMID: 35055504 PMCID: PMC8775390 DOI: 10.3390/ijerph19020683] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 12/04/2022]
Abstract
New tobacco and nicotine products have emerged on the market in recent years. Most research has concerned only one product at a time, usually e-cigarettes, while little is known about the multiple use of tobacco and nicotine products among adolescents. We examined single, dual, and triple use of cigarettes, e-cigarettes, and snus among Nordic adolescents, using data of 15-16-year-olds (n = 16,125) from the European School Survey Project on Alcohol and other Drugs (ESPAD) collected in 2015 and 2019 from Denmark, Finland, Iceland, Norway, Sweden, and the Faroe Islands. Country-specific lifetime use of any of these products ranged between 40% and 50%, and current use between 17% and 31%. Cigarettes were the most common product in all countries except for Iceland, where e-cigarettes were remarkably more common. The proportion of dual and triple users was unexpectedly high among both experimental (24%-49%) and current users (31-42%). Triple use was less common than dual use. The users' patterns varied somewhat between the countries, and Iceland differed substantially from the other countries, with a high proportion of single e-cigarette users. More knowledge on the patterns of multiple use of tobacco and nicotine products and on the potential risk and protective factors is needed for targeted intervention and prevention efforts.
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Affiliation(s)
- Kirsimarja Raitasalo
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, 00271 Helsinki, Finland;
| | - Elin K. Bye
- Department of Alcohol, Tobacco and Drugs, Norwegian Institute of Public Health, 0213 Oslo, Norway; (E.K.B.); (J.S.); (R.T.)
| | - Charlotta Pisinger
- Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, 2000 Frederiksberg, Denmark;
- Department of Public Health, University of Copenhagen, 1353 Copenhagen, Denmark
- Danish Heart Foundation, 1120 Copenhagen, Denmark
| | - Janne Scheffels
- Department of Alcohol, Tobacco and Drugs, Norwegian Institute of Public Health, 0213 Oslo, Norway; (E.K.B.); (J.S.); (R.T.)
| | - Rikke Tokle
- Department of Alcohol, Tobacco and Drugs, Norwegian Institute of Public Health, 0213 Oslo, Norway; (E.K.B.); (J.S.); (R.T.)
- Norwegian Social Research, Oslo Metropolitan University, 0170 Oslo, Norway
| | - Jaana M. Kinnunen
- Unit of Health Sciences, Faculty of Social Sciences, Tampere University, 33014 Tampere, Finland; (J.M.K.); (A.R.)
| | - Hanna Ollila
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, 00271 Helsinki, Finland;
| | - Arja Rimpelä
- Unit of Health Sciences, Faculty of Social Sciences, Tampere University, 33014 Tampere, Finland; (J.M.K.); (A.R.)
- Department of Adolescent Psychiatry, Tampere University Hospital, 33521 Tampere, Finland
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Abstract
Since the spread of tobacco from the Americas hundreds of years ago, tobacco cigarettes and, more recently, alternative tobacco products have become global products of nicotine addiction. Within the evolving alternative tobacco product space, electronic cigarette (e-cigarette) vaping has surpassed conventional cigarette smoking among adolescents and young adults in the United States and beyond. This review describes the experimental and clinical evidence of e-cigarette toxicity and deleterious health effects. Adverse health effects related to e-cigarette aerosols are influenced by several factors, including e-liquid components, physical device factors, chemical changes related to heating, and health of the e-cigarette user (e.g., asthmatic). Federal, state, and local regulations have attempted to govern e-cigarette flavors, manufacturing, distribution, and availability, particularly to underaged youths. However, the evolving e-cigarette landscape continues to impede timely toxicological studies and hinder progress made toward our understanding of the long-term health consequence of e-cigarettes.
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Affiliation(s)
- Terry Gordon
- Department of Environmental Medicine, NYU School of Medicine, New York, NY 10010, USA;
| | - Emma Karey
- Department of Environmental Medicine, NYU School of Medicine, New York, NY 10010, USA;
| | - Meghan E Rebuli
- Department of Pediatrics and Center for Environmental Medicine, Asthma and Lung Biology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, USA
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, USA
| | - Yael-Natalie H Escobar
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, USA
| | - Ilona Jaspers
- Department of Pediatrics and Center for Environmental Medicine, Asthma and Lung Biology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, USA
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, USA
| | - Lung Chi Chen
- Department of Environmental Medicine, NYU School of Medicine, New York, NY 10010, USA;
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12
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Kwon M, Chung SJ, Lee J. Use of Single, Dual, and Poly Tobacco Products in Korean Adolescents. Asia Pac J Public Health 2021; 33:571-578. [PMID: 34137306 DOI: 10.1177/10105395211022950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study aimed to examine the prevalence of single, dual, and poly use of conventional cigarettes, e-cigarettes, and heated tobacco products among Korean adolescent smokers and identify factors related to dual and poly tobacco product use. Data from 4028 current smokers in the 2019 Korea Youth Behavior Web-based Survey were included. Single users accounted for 53.1%, followed by dual users at 24.8% and poly users at 22.1%. The factors influencing dual and poly tobacco product use included male, living in a metropolitan area, risky alcohol drinking, sexual experience, number of cigarettes smoked, secondhand smoke exposure, and easy-to-buy tobacco products. The findings suggest restricting the use of new types of tobacco products in the high-risk group are required to prevent dual and poly use. Furthermore, it is necessary to provide support like education for new tobacco products and smoking cessation, programs for secondhand smoke prevention, or rigorous marketing regulations for adolescents.
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Affiliation(s)
- Min Kwon
- The University of Suwon, Hwaseong, South Korea
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13
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Gilreath TD, Dangerfield DT, Montiel Ishino FA, Hill AV, Johnson RM. Polytobacco use among a nationally-representative sample of black high school students. BMC Public Health 2021; 21:206. [PMID: 33485321 PMCID: PMC7824955 DOI: 10.1186/s12889-021-10228-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 01/12/2021] [Indexed: 11/16/2022] Open
Abstract
Background Studies of the patterns of polytobacco use have increased. However, understanding the patterns of using multiple tobacco products among Black adolescents is minimal. This study identified the patterns of polytobacco use among U.S. Black adolescents. Methods Latent class analysis (LCA) was used to identify patterns of adolescent polytobacco use among a representative sample of Black youth from the 2017 Youth Risk Behavior Survey (n = 2782). Ever and recent (past 30 day) use of cigarettes, electronic cigarettes, cigars, and dip or chewing tobacco were used as latent class indicators. Multinomial regression was conducted to identify the association if smoking adjusting for sex, age, grade, and marijuana use. Results Most students were in the 9th grade (29%), e-cigarette users (21%) and were current marijuana users (25%). Three profiles of tobacco use were identified: Class 1: Non-smokers (81%), Class 2: E-cigarette Users (14%), and Class 3: Polytobacco Users (5%). Black adolescent Polytobacco users were the smallest class, but had the highest conditional probabilities of recent cigarette use, e-cigarette use, ever smoking cigars or chewing tobacco. Ever and current use of marijuana were associated with increased odds of being in the e-cigarette user versus non-smoker group, and current marijuana use was associated with increased odds of polytobacco use (aOR = 24.61, CI = 6.95–87.11). Conclusions Findings suggests the need for targeted interventions for reducing tobacco use and examining the unique effects of polytobacco use on Black adolescents. Findings confirm a significant association of marijuana use with tobacco use.
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Affiliation(s)
- Tamika D Gilreath
- Department of Health & Kinesiology, College Station, Texas A & M University, 267 Gilchrist, 4243 TAMU, College station, TX, 77843-4243, USA.
| | | | - Francisco A Montiel Ishino
- Division of Intramural Research, National Institute for Minority Health Disparities, Bethesda, MD, 20892, USA
| | - Ashley V Hill
- Division of Adolescent and Young Adult Medicine, UPMC Children's Hospital of Pittsburgh, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Renee M Johnson
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
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14
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Cigarette, E-Cigarette and Waterpipe Use among Young Adults: Differential Cognitions about These Three Forms of Smoking. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17113787. [PMID: 32471046 PMCID: PMC7312077 DOI: 10.3390/ijerph17113787] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 02/07/2023]
Abstract
Background: Polytobacco use is common among young adults. The purpose of the present study was to investigate a number of cognitions related to the use of three tobacco products (cigarettes, e-cigarettes and waterpipes) among young adults. Methods: Participants (n = 799, 59.4% women) aged 18–25 years old (M = 21.8, SD = 1.7) completed an online tobacco cognitions questionnaire. Results: For all three tobacco products, there was significantly more agreement with the cognition “I would smoke if my best friend offered” among tobacco users (used one or more tobacco products) than among non-users. For e-cigarettes and waterpipes, there was significantly more agreement with the cognition “It would be easy to quit these products” than was reported by non-users. Polytobacco users (three tobacco products) endorsed the cognitions scale (the six cognition items were combined to form a single cognitions scale for each tobacco product) significantly more than non-users for cigarettes and e-cigarettes. Furthermore, waterpipe users, polytobacco users, dual users and single users all endorsed the combined cognitions scales more strongly than non-users. Conclusions: Efforts to prevent polytobacco use should ensure that young adults have the necessary self-efficacy to resist peer pressure and provide them with clear information about the health risks associated with using alternative tobacco products.
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King JL, Reboussin BA, Merten JW, Wiseman KD, Wagoner KG, Sutfin EL. Negative health symptoms reported by youth e-cigarette users: Results from a national survey of US youth. Addict Behav 2020; 104:106315. [PMID: 31981796 DOI: 10.1016/j.addbeh.2020.106315] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 01/06/2020] [Accepted: 01/11/2020] [Indexed: 10/25/2022]
Abstract
BACKGROUND E-cigarettes are the most prevalent tobacco product among US youth, but little is known about the health symptoms users experience. METHODS Between August 2016 and May 2017, we conducted a nationally representative cross-sectional telephone survey of 975 US youth ages 13-17. Respondents who reported ever trying e-cigarettes were asked whether they ever experienced six physical health symptoms they thought were caused by e-cigarette use. We examined whether symptoms varied by demographics and tobacco use. RESULTS Approximately 12.4% of respondents (n = 141) reported ever trying e-cigarettes. Of lifetime e-cigarette users, 37.0% reported past 30-day e-cigarette use, 17.2% reported past 30-day cigarette use, and 23.7% reported past 30-day use of another tobacco product. Most (63.3%) reported a symptom, most often cough (42.3%), followed by dizziness or lightheadedness (31.5%), headache or migraine (25.4%), dry or irritated mouth or throat (14.9%), shortness of breath (13.7%), change in or loss of taste (3.5%), and other (5.7%; nausea, dry eyes, earache, and tight chest). Headaches were more common among past 30-day e-cigarette users than non-users (43.8% vs. 14.6%). Shortness of breath was more common among past 30-day cigarette (33.8% vs. 9.5%) and other tobacco users (31.6% vs. 8.2%). Past 30-day cigarette users were also more likely to report any symptom (86.0% vs. 58.6%). CONCLUSIONS Most youth e-cigarette users attribute health symptoms to their e-cigarette use. Past 30-day users were more likely to report certain symptoms than non-users. Findings can educate health practitioners and school nurses about common symptoms youth may experience and inform prevention messages.
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Azagba S, Manzione L, Shan L, King J. Trends in Smoking Behaviors Among US Adolescent Cigarette Smokers. Pediatrics 2020; 145:peds.2019-3047. [PMID: 32015140 DOI: 10.1542/peds.2019-3047] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/16/2019] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION Identifying trends in smoking behaviors among youth cigarette smokers could inform youth policy and interventions. METHODS Using 2011-2018 National Youth Tobacco Survey data, logistic/linear regressions were used to analyze trends in smoking frequency, intensity, age of first cigarette use, and electronic cigarette (e-cigarette) use frequency among current smokers. Stratified analyses were conducted among male, female, middle school, and high school students and race and ethnicity subgroups separately. RESULTS From 2011 to 2018, there was a decrease in smoking ≥10 days (50.0% to 38.3%), ≥20 days (37.2% to 26.3%), and 30 days (26.6% to 18.2%) among current smokers. Smoking prevalence decreased among male, female, high school, non-Hispanic white, and non-Hispanic other students. Overall, light smoking (≤5 cigarettes per day [CPDs]) increased (76.6% to 82.7%), and moderate smoking (6-10 CPDs) decreased (10.7% to 8.3%). Trends in light, moderate, and heavy smoking varied by demographic groups. Age at first cigarette use increased among female (12.28 to 13.29), high school (12.91 to 13.18), and non-Hispanic other students (11.64 to 12.83) and decreased among male students (12.90 to 12.57). From 2014 to 2018, there was an increase in e-cigarette use frequency for ≥10 days (20.8% to 40.9%), ≥20 days (13.5% to 31.7%), and all 30 days (9.3% to 22%). CONCLUSIONS From 2011 to 2018, current youth cigarette smokers smoked fewer days and fewer CPDs, and age of first cigarette use increased. However, over time, male youth smoked more heavily and started smoking earlier. E-cigarette use increased from 2014 to 2018. Differences by demographic characteristics can inform future research and interventions.
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Affiliation(s)
- Sunday Azagba
- Department of Family and Preventive Medicine, School of Medicine and
| | - Lauren Manzione
- Department of Family and Preventive Medicine, School of Medicine and
| | - Lingpeng Shan
- Department of Family and Preventive Medicine, School of Medicine and
| | - Jessica King
- Department of Health and Kinesiology, College of Health, University of Utah, Salt Lake City, Utah
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17
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Sex and Polytobacco Use among Spanish and Turkish University Students. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16245038. [PMID: 31835705 PMCID: PMC6950255 DOI: 10.3390/ijerph16245038] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 12/05/2019] [Accepted: 12/07/2019] [Indexed: 12/11/2022]
Abstract
Polytobacco use has become increasingly popular among young adults, particularly males, and can be defined as the concurrent use of regular cigarettes and other tobacco products (e.g., e-cigarettes). The present study investigated the use of legal smoking products (cigarettes, waterpipe and electronic cigarettes) among young adults (n = 355) in Spain and Turkey. The survey measured demographics, lifetime and past month tobacco use, waterpipe and e-cigarette use, whether waterpipes and e-cigarettes contained nicotine and reasons for using these substances. The majority of the Turkish (men = 80% and women = 63.9%) and Spanish sample (men = 61.4% and women = 69.3%) were polytobacco users. The most common reason for using e-cigarettes was “to experiment, to see what is like” (Turkish sample: men 66.7% and women 57.1; Spanish sample: men 72.7% and women 93.8%). The most common reason to use regular cigarettes was “to relax and relieve tension” (Turkish sample: men 88.9% and women 77.6%; Spanish sample: men 78.1% and women 76%), while for waterpipe users, the most common reason was “to experiment, to see what it is like” (Turkish sample: men 93.3% and women 80%; Spanish sample: men 78.9% and women 93.8%). The implications for prevention and future research are discussed.
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18
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Antin TMJ, Hunt G, Kaner E, Lipperman-Kreda S. Youth perspectives on concurrent smoking and vaping: Implications for tobacco control. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2019; 66:57-63. [PMID: 30703608 DOI: 10.1016/j.drugpo.2019.01.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 12/14/2018] [Accepted: 01/20/2019] [Indexed: 11/25/2022]
Abstract
Most people who smoke cigarettes begin young. Consequently, public health efforts directed at youth are a priority. The increasing popularity of electronic nicotine delivery systems (ENDS) among youth in the United States has raised concerns in the public health community about the potential of ENDS to renormalize cigarette smoking and perpetuate nicotine addiction, creating dual users who both vape and smoke. Despite limited and inconclusive evidence about dual use for young people, restrictive approaches towards ENDS have shaped tobacco control agendas in the United States. Based on analysis of 26 interviews with young dual users in California, we explored the meanings young people ascribe to their dual using practices and how those meanings relate to the broader tobacco control environment which structures their lives. Results suggest that dual users of ENDS and cigarettes overwhelmingly perceive a utilitarian meaning of dual use and view vaping as a tool for reducing smoking-related harm in the near term and facilitating quitting smoking in the long term. Also, participants' narratives related to Tobacco 21 laws, which prohibit sales of both ENDS and cigarettes to individuals under 21 years of age, revealed concerns about restrictive policies that limit access to less harmful tobacco products. Results of this study raise important questions about whether we are working towards further reductions in the prevalence of smoking and tobacco-related diseases.
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Affiliation(s)
- Tamar M J Antin
- Prevention Research Center, 2150 Shattuck Avenue, Suite 601, Berkeley, CA 94704-1365, USA; Center for Critical Public Health, Institute for Scientific Analysis, 1150 Ballena Blvd, Suite 211, Alameda, CA 94501 USA.
| | - Geoffrey Hunt
- Prevention Research Center, 2150 Shattuck Avenue, Suite 601, Berkeley, CA 94704-1365, USA; Center for Critical Public Health, Institute for Scientific Analysis, 1150 Ballena Blvd, Suite 211, Alameda, CA 94501 USA; Centre for Alcohol and Drug Research, Aarhus University, Aarhus, Denmark
| | - Emily Kaner
- Prevention Research Center, 2150 Shattuck Avenue, Suite 601, Berkeley, CA 94704-1365, USA
| | - Sharon Lipperman-Kreda
- Prevention Research Center, 2150 Shattuck Avenue, Suite 601, Berkeley, CA 94704-1365, USA
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Petersen A, Myers MG, Tully L, Brikmanis K, Doran N. Polytobacco use among young adult smokers: prospective association with cigarette consumption. Tob Control 2018; 29:43-48. [PMID: 30385650 DOI: 10.1136/tobaccocontrol-2018-054625] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/02/2018] [Accepted: 10/10/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND The risks of polytobacco use among young adults are unclear because we know relatively little about the consistency of multiproduct patterns over time and how these patterns impact cigarette smoking. The purpose of this study was to examine changes in multiple tobacco product use over time and associations with cigarette smoking quantity. METHODS Participants (n=335; 55% male) were 18-24 years old non-daily cigarette smokers living in California. Polytobacco use patterns were assessed quarterly for 2 years. RESULTS Transition analyses showed that while the number of products that had been used recently was volatile, the most common pattern was stability between timepoints. A longitudinal negative binomial regression model indicated that those who used more non-cigarette products also reported greater cigarette quantity. The strength of this relationship increased over time. CONCLUSIONS Findings suggest that individuals who use more tobacco products are at greater risk for increased cigarette smoking and maintaining a multiple product use pattern.
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Affiliation(s)
- Angela Petersen
- Department of Psychiatry, University of California, San Diego, California, USA.,Psychology Service, VA San Diego Healthcare System, San Diego, California, USA
| | - Mark G Myers
- Department of Psychiatry, University of California, San Diego, California, USA.,Psychology Service, VA San Diego Healthcare System, San Diego, California, USA
| | - Lyric Tully
- Department of Psychiatry, University of California, San Diego, California, USA
| | - Kristin Brikmanis
- Department of Psychology, University of Illinois, Chicago, Illinois, USA
| | - Neal Doran
- Department of Psychiatry, University of California, San Diego, California, USA.,Psychology Service, VA San Diego Healthcare System, San Diego, California, USA
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