Tobacco Control最新文献

{"title":"Vaping among young adults in Singapore: a qualitative study of motivations, challenges and antivaping intervention perceptions.","authors":"Iqbal Saifuddin Ahmad, Raymond Boon Tar Lim","doi":"10.1136/tc-2024-059030","DOIUrl":"https://doi.org/10.1136/tc-2024-059030","url":null,"abstract":"<p><strong>Introduction: </strong>The increasing use of electronic cigarettes among young adults in Southeast Asia is concerning. This study explores the motivations and challenges faced by young adults in quitting vaping and their perceptions of current public health messages and interventions in Singapore, which has stringent antivaping laws and active public health campaigns.</p><p><strong>Methods: </strong>A qualitative descriptive study was conducted involving in-depth interviews with 15 participants aged 18-35. Thematic analysis was performed by two independent researchers trained in qualitative methods.</p><p><strong>Results: </strong>Participants identified negative health outcomes and legal risks as major motivations for quitting vaping. Challenges included nicotine addiction, psychological dependency and entrenched vaping routines. The study revealed general scepticism towards current antivaping messages, which were seen as too generic and lacking credibility. Participants recommended that public health messages be more specific, transparent and engaging, incorporating independent research and visual aids to highlight vaping risks. They also suggested regulating e-cigarette sales instead of implementing blanket bans, ensuring anonymity for those seeking help and providing comprehensive nicotine cessation support. Additionally, the use of real-life testimonials and influencers was proposed to improve message relatability and effectiveness.</p><p><strong>Conclusion: </strong>This study provides valuable insights into the motivations and barriers of quitting vaping among young adults. Enhancing the transparency and specificity of antivaping messages, along with more tailored and supportive interventions, could increase their effectiveness and offer guidance for other Southeast Asian countries facing similar issues.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143012197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of a minimum floor price law for tobacco products on tobacco sales in Oakland, California, USA: a synthetic difference-in-differences analysis.","authors":"Justin S White, Serge Atherwood, Dorie E Apollonio","doi":"10.1136/tc-2024-058853","DOIUrl":"10.1136/tc-2024-058853","url":null,"abstract":"<p><strong>Background: </strong>In May 2020, Oakland became the most populous city in California to implement a minimum floor price law (MFPL), requiring tobacco retailers to sell cigarettes and cigars at $8 or more per pack/package. Policy enforcement began in August 2020.</p><p><strong>Methods: </strong>We estimated changes in cigarette and cigar prices and unit sales for Oakland versus a matched comparator during the first 20 months following MFPL implementation using a synthetic difference-in-differences approach. We estimated outcome changes overall and by lower-priced (<$8) versus higher-priced (≥$8) segments based on pre-MFPL prices. We also assessed retailer compliance with the MFPL. We further estimated cross-border shopping as a means of price increase avoidance and substitution to electronic nicotine delivery systems (ENDS) and nicotine replacement therapy (NRT) products as alternative consumer responses to the MFPL.</p><p><strong>Results: </strong>Retailer compliance was high for cigarettes (97.5%) but extremely low for cigars (7.4%). Lower-priced cigarettes in Oakland exhibited: increased median price per pack of 9.0%, a decline in mean monthly sales of 25.2%, and no evidence of significant cross-border shopping (-1.2%) following MFPL enforcement. Lower-priced cigars in Oakland experienced no price change, yet a large sales decline post-enforcement (-58.8%), with a partially-offsetting increase in cross-border shopping (11.0%) post-enforcement. We observed no significant product substitution to higher-priced cigarettes or cigars nor to ENDS or NRT products.</p><p><strong>Conclusions: </strong>Oakland's MFPL produced an aggregate decline in cigarette sales of 15%. MFPLs hold promise as a complement to tobacco taxation for reducing tobacco use, especially in localities that pre-empt local tobacco taxation.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142898446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Lived experiences of stigma and altered self-perceptions among young people who are addicted to ENDS: a qualitative study from Aotearoa New Zealand.","authors":"Anna Graham-DeMello, Carissa Sanders, Renee Hosking, Lani Teddy, Jude Ball, Karine Gallopel-Morvan, Yvette van der Eijk, David Hammond, Janet Hoek","doi":"10.1136/tc-2024-058946","DOIUrl":"10.1136/tc-2024-058946","url":null,"abstract":"<p><strong>Introduction: </strong>Rising use of electronic nicotine delivery system (ENDS) among young people, especially those who have never smoked, has received considerable attention from the health community. However, fewer studies have examined the mental health impacts of ENDS use. We addressed this gap by exploring the stigma, altered self-perceptions and negative affect experienced by adolescents who assessed themselves as addicted to using ENDS.</p><p><strong>Methods: </strong>We interviewed 20 adolescents aged 16-18 who lived in Aotearoa New Zealand and assessed themselves as moderately or highly addicted to ENDS use. Using in-depth, semistructured qualitative interviews, we explored participants' experiences of addiction and its effects on their well-being. We interpreted the data using an inductive reflexive thematic analysis approach.</p><p><strong>Results: </strong>We identified four key themes. First, addiction to ENDS use adversely affected participants' physical and mental health. Second, addiction greatly diminished the pleasurable effects ENDS use first provided and participants who initially enjoyed using ENDS now felt unable to stop. Third, participants felt judged, stigmatised and belittled by others who did not understand their struggle with addiction. Fourth, they experienced several negative emotions, including self-blame, regret, disappointment and embarrassment that diminished how they saw themselves.</p><p><strong>Conclusions: </strong>We extend earlier studies by probing the mental health burden ENDS use imposes on young people, offer new insights into how they experience addiction and outline potential policy responses. Measures reducing young people's access to ENDS are urgently needed alongside empathetic, youth-oriented cessation support.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142772629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of electronic cigarette atomising power and flavour on aerosol size-segregated metal concentration and inhalation risk.","authors":"Jinho Lee, Masoud Afshar, Wei-Chung Su, Inkyu Han","doi":"10.1136/tc-2024-058915","DOIUrl":"10.1136/tc-2024-058915","url":null,"abstract":"<p><strong>Introduction: </strong>Although numerous studies have estimated the inhalation dose of metals emitted from electronic cigarettes (e-cigs), the impact of factors including aerosol size and the atomising power of e-cig aerosols on estimating the inhalation dose of metals remains underexplored. A comprehensive understanding of these determinants is essential to assess the health risks associated with inhaling e-cig aerosols, which may contain potentially harmful metals.</p><p><strong>Objectives: </strong>The aim of this study is to elucidate the mass and inhalation doses of potentially harmful metals in e-cig aerosols by different particle size and their association with the various atomising powers of e-cig devices and flavours.</p><p><strong>Methods: </strong>Size-segregated e-cig aerosols were generated and collected in a exposure chamber, using an 11-stage cascade impactor for the analyses of aerosol mass and metals. The metal deposition dose in the human respiratory tract was calculated using a mathematical respiratory deposition estimation model and metal mass concentration by the size of aerosols.</p><p><strong>Results: </strong>In this study, the results showed that neither an increase in atomising power (from 5 to 20 W) nor e-cig flavours resulted in a significant increase in a metal deposition in the respiratory tracts. Although the factors did not significantly affect the calculated respiratory deposition of harmful metals under typical e-cig usage assumption, the estimated hazard index exceeded 1.0.</p><p><strong>Conclusion: </strong>The calculated health risks suggest substantial risks of inhalation of metal aerosols from e-cig use.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143012196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nicotine levels in flavoured hookah (waterpipe) tobacco products: discrepancies between labelled and measured levels.","authors":"Mary Rezk-Hanna, Ziyad Ben Taleb, Neal L Benowitz","doi":"10.1136/tc-2024-058939","DOIUrl":"https://doi.org/10.1136/tc-2024-058939","url":null,"abstract":"<p><strong>Background: </strong>Hookah tobacco smoking is prevalent among youth and young adults. While health warning labels play a critical role in communicating the health risks of tobacco product use to consumers, compliance with US Federal Regulation's nicotine warning requirements on hookah tobacco packaging is low. Some labelling suggests that consumers are exposed to 'only 0.05% nicotine'. Here, this study sought to evaluate the accuracy of nicotine levels advertised on flavoured hookah tobacco packaging.</p><p><strong>Methods: </strong>We measured nicotine content of commercial hookah tobacco in a total of 15 flavours purchased from five different manufactures, that were selected based on their popularity in the USA and UK markets. Concentrations of nicotine were determined by gas-liquid chromatography with nitrogen phosphorus detection, using 5-methyl nicotine as an internal standard. Nicotine content was expressed as a percentage of tobacco weight.</p><p><strong>Results: </strong>Out of the 15 flavours tested and as compared with nicotine levels advertised on product packaging (0.05% nicotine), 12 (80%) had higher nicotine levels. Of these 12 flavours, actual nicotine levels ranged between 20% and 160% higher (0.08±0.01% vs 0.05%; mean±SE) than advertised levels. Estimates of determined levels of nicotine ranged from 0.05% to 0.13%.</p><p><strong>Conclusion: </strong>Nicotine levels cited by leading hookah tobacco manufacturers are misleading. The advertised levels of nicotine do not reflect the quantified dose of nicotine available to consumers of hookah tobacco products. Findings highlight the need for the development of hookah tobacco product regulations and labelling standards, similar to other tobacco products, to avoid misleading vulnerable consumers, including youth and young adults.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142972201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between tobacco advertising policies, health warning mandates and adolescents' exposure to tobacco advertising and warning labels in 80 countries.","authors":"Cathy Fan Ying Meng, Olivia Bannon, Anthony A Laverty, Filippos T Filippidis","doi":"10.1136/tc-2024-058786","DOIUrl":"https://doi.org/10.1136/tc-2024-058786","url":null,"abstract":"<p><strong>Background: </strong>Implementation of tobacco advertising, promotion and sponsorship (TAPS) bans and of health warning mandates varies by country, and their impact on adolescents' exposure to tobacco-related messages is not well understood, particularly in low-income and middle-income countries.</p><p><strong>Aim: </strong>To explore the association of the implementation of TAPS bans and health warning mandates with the proportion of adolescents exposed to tobacco advertisements and health warnings in 80 countries from 2016 to 2021.</p><p><strong>Methods: </strong>The proportion of 11-17 years old exposed to tobacco advertising was assessed using Global Youth Tobacco Survey data (80 countries, n=428 347). We conducted country-level multivariable linear regressions to explore the association between these policies and the proportion of adolescents exposed by country.</p><p><strong>Results: </strong>Of the 80 countries assessed, 39 had implemented a ban on advertising at points of sale, 54 had a ban on free distribution, 44 prohibited the use of tobacco brand names on non-tobacco products and 72 had laws mandating health warnings on cigarette packages. Banning point-of-sale advertisements was associated with 7.8% (95% CI -3.7% to -12.0%) lower exposure to point-of-sale advertisements. There was no significant association between mandating health warnings and the prevalence of exposure to health warnings. We did not find significant associations between bans on the free distribution of tobacco products or labelling non-tobacco products with tobacco brand names with exposure to tobacco advertisements.</p><p><strong>Conclusions: </strong>We found that, in the context of varying implementation levels, bans on point-of-sale advertisements were associated with lower exposure to advertisements.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ambiguity around assessment of exposure to cigarette advertising: the need for an updated measure.","authors":"Meghan Moran, Maryam Ibrahim, Lauren Czaplicki, Ryan David Kennedy","doi":"10.1136/tc-2024-058934","DOIUrl":"https://doi.org/10.1136/tc-2024-058934","url":null,"abstract":"","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quantifying differences in teenage vaping across countries: the importance of comparing like with like.","authors":"Elizabeth M Greenhalgh, Maree Scully, Michelle Scollo, Sarah J Durkin","doi":"10.1136/tc-2024-059008","DOIUrl":"https://doi.org/10.1136/tc-2024-059008","url":null,"abstract":"","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prospective association of tobacco retailer density and neighbourhood walkability with youth vaping initiation in California, USA.","authors":"Alyssa F Harlow, Laura K Thompson, Sandrah P Eckel, Adam M Leventhal, Danielle F Haley, Megan E Roberts, Myles G Cockburn, Jessica L Barrington-Trimis","doi":"10.1136/tc-2024-058974","DOIUrl":"10.1136/tc-2024-058974","url":null,"abstract":"<p><strong>Background: </strong>Tobacco retailer density might influence youth e-cigarette use due to increased access and exposure to point-of-sale marketing. There is a need for longitudinal investigations on the association of tobacco retailer density with youth e-cigarette use, with consideration of contextual factors such as neighbourhood walkability that could enhance retailer exposure.</p><p><strong>Methods: </strong>Five semi-annual waves (Fall 2021-Fall 2023) of a Southern California school-based cohort of youth who never vaped at baseline (n=3401; mean baseline age=15 years [range=12-17]) were merged with spatial data on tobacco retailers corresponding to each school year. Time-varying measures of retailer exposures included count of retailers within circular home buffers (800 m/1600 m buffers) and retailer density/km² within home census tracts. Discrete-time survival analyses estimated associations of time-lagged and time-varying retailer exposures with vaping initiation at each 6-month follow-up, adjusting for race/ethnicity, parental education, neighbourhood walkability and an Area Deprivation Index. Secondary analyses examined moderation by neighbourhood walkability based on a National Walkability Index.</p><p><strong>Results: </strong>The incident rate of vaping initiation was 3.8% per 6-month follow-up. After covariate adjustment, only associations with census tract retail density were statistically significant (risk ratio (RR) highest vs lowest quartile=1.36, 95% CI=1.01 to 1.84). In moderation analyses, count of retailers within 800 m home buffers was positively associated with vaping initiation for youth who lived in the most walkable neighbourhoods (RR=1.08, 95% CI: 1.01 to 1.16), with no association for youth in less walkable neighbourhoods (RR=1.00, 95% CI:0.95 to 1.05; interaction p-value=0.0238).</p><p><strong>Conclusion: </strong>Findings highlight the potential role of restricting retailer density in preventing youth vaping, particularly in areas characterised by both greater walkability and tobacco retailer density.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Challenges and prospects in implementing the Generational Endgame policy: Malaysia and global perspectives.","authors":"Picholas Kian Ann Phoa, Lei Hum Wee, Yin How Wong, Ching Sin Siau, Caryn Mei Hsien Chan, Chrisminder Dain, Mohamad Haniki Nik Mohamed","doi":"10.1136/tc-2024-058874","DOIUrl":"https://doi.org/10.1136/tc-2024-058874","url":null,"abstract":"<p><p>In Malaysia, tobacco smoking continues to be one of the leading public health concerns; hence, the tobacco control community aims to see a generation free of tobacco use by 2040. Drafted and presented to the parliament, the Malaysian Control of Smoking Products for Public Health Bill 2022 highlighted the Generational Endgame (GEG) policy, which forbids the use and sale of tobacco products and smoking substances to individuals born on or after 1 January 2007. Stakeholders, including government and non-governmental organisations, policymakers, healthcare professionals, tobacco industry representatives and retailers, have expressed differing opinions indicating non-support of the policy. The Attorney General Chamber deemed the policy as 'unconstitutional' for discriminating against those within the implementation age range, which prompted its omission from the revised Control of Smoking Products for Public Health 2023 Bill. This paper discusses the obstacles and possible implications of the GEG policy implementation in Malaysia and details its implementation in other countries. This paper also proposes several recommendations for future directions in tackling the obstacles mentioned more effectively.</p>","PeriodicalId":23145,"journal":{"name":"Tobacco Control","volume":" ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}