Dataset Information

Trends in use of e-cigarette device types and heated tobacco products from 2016 to 2020 in England.

ABSTRACT: This study examined use trends of e-cigarette devices types, heated tobacco products (HTPs) and e-liquid nicotine concentrations in England from 2016 to 2020. Data were from a representative repeat cross-sectional survey of adults aged 16 or older. Bayesian logistic regression was used to estimate proportions and 95% credible intervals (CrIs). Of 75,355 participants, 5.3% (weighted = 5.5%) were currently using e-cigarettes or HTPs, with the majority (98.7%) using e-cigarettes. Among e-cigarette users, 53.7% (CrI 52.0-55.1%) used tank devices, 23.7% (22.4-25.1%) mods, 17.3% (16.1-18.4%) pods, and 5.4% (4.7-6.2%) disposables. Tanks were the most widely used device type throughout 2016-2020. Mods were second until 2020, when pods overtook them. Among all e-cigarette/HTP users, prevalence of HTP use remains rare (3.4% in 2016 versus 4.2% in 2020), whereas JUUL use has risen from 3.4% in 2018 to 11.8% in 2020. Across all years, nicotine concentrations of ≤ 6 mg/ml were most widely (41.0%; 39.4-42.4%) and ≥ 20 mg/ml least widely used (4.1%; 3.4-4.9%). Among e-cigarette/HTP users, ex-smokers were more likely than current smokers to use mod and tank e-cigarettes, but less likely to use pods, disposables, JUUL and HTPs. In conclusion, despite growing popularity of pods and HTPs worldwide, refillable tank e-cigarettes remain the most widely used device type in England.

SUBMITTER: Tattan-Birch H

PROVIDER: S-EPMC8225841 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:As a public health measure against COVID-19, South Africa restricted the sale of "tobacco, e-cigarettes and related products" for 5 months, ending on August 17, 2020. We examined marketing activities related to novel tobacco products (e-cigarettes and heated tobacco products) during this restriction. Using web scraping, we accessed data for 2661 e-cigarette liquids marketed online by South African vendors in June 2020. We also analyzed heated tobacco product volume sales (kits) using retail scanner data from Nielsen Company. The 2661 e-cigarette liquids assessed online comprised cannabidiol liquids, 28.8%[767/2661], nicotine salts, 10.4%[276/2661], e-cigarette juice concentrates, 14.1%[376/2661], nicotine-free e-liquid, 4.0%[107/2661], and nicotine-containing e-liquid, 42.6%[1135/2661]. Cannabidiol liquids had the highest percentage of fruit (78.4%[601/767]) and tobacco flavors (9.4%[72/767]). During the restriction, many online e-cigarette vendors actively promoted cannabidiol liquid in lieu of regular e-liquid. Nielsen retail scanner data showed that volume of heated tobacco product sales in February 2020, preceding the restriction (7.76 million kits), were higher than in February 2019 (4.52 million kits). The restriction saw decreased sales of heated tobacco products; mean weekly heated tobacco product sales in the 6 weeks following the restriction (772,585 kits/week) were dramatically lower versus the 6 weeks preceding the restriction (2.26 million kits/week). Lifting the restriction saw a 131% spike in sales between the latter half of August 2020 (825,638 kits) and mid-September 2020 sales (1.90 million kits), even though total sales in September 2020 were half of what was observed in the preceding year (3.81 million units in September 2020, vs 6.33 million units, September 2019). The marketing of cannabidiol and other novel products by e-cigarette manufacturers and the tobacco industry may encourage youth use; close monitoring is required.

Project description:ImportanceHeated tobacco products (HTPs) are promoted as less harmful than combustible cigarettes but epidemiological evidence is scarce, especially in youth.ObjectiveTo investigate the associations of persistent respiratory symptoms with HTP use, cigarette use, and dual use among Hong Kong youth.Design, setting, and participantsThis was a territorywide cross-sectional school-based survey conducted from October 2018 to July 2019 using an anonymous questionnaire. Schools were randomly invited from a proportionate stratified sample in all 18 districts of Hong Kong. Poisson regression models using generalized estimating equations yielded adjusted prevalence ratios (APRs) of respiratory symptoms in (1) former and current HTP (vs never) users in the whole sample and stratified by cigarette use status and (2) exclusive HTP and dual users vs exclusive cigarette users. Statistical analysis was performed from October 2020 to March 2021.ExposuresFormer and current use of cigarettes, HTPs, e-cigarettes, and other tobacco products.Main outcomes and measuresRespiratory symptoms for 3 consecutive months in the past 12 months.ResultsThe study included 33 627 students with a mean (SD) age of 14.8 (1.9) years; 51.3% (18 171) were boys. Respiratory symptoms were reported by 16.3% (n = 5549) of all students, 29.3% (n = 226) of current users of e-cigarettes, 31.2% (n = 314) of current users of cigarettes, and 33.5% (n = 179) of current users of HTPs. Respiratory symptoms were associated with former (APR, 1.30; 95% CI, 1.06-1.59) and current (APR, 1.59; 95% CI, 1.23-2.06) vs never HTP use and current vs never cigarette use (APR, 1.50; 95% CI, 1.30-1.74) after adjusting for various tobacco use. Associations between respiratory symptoms and current vs never HTP use were observed in never (APR, 1.88; 95% CI, 1.36-2.59) and former (APR, 2.15; 95% CI, 1.12-4.12) cigarette users, but not in current cigarette users (APR, 1.24; 95% CI, 0.97-1.59). Respiratory symptoms were associated with exclusive ever HTP use (APR, 1.46, 95% CI, 1.15-1.86) and ever dual use (APR, 1.29; 95% CI, 1.08-1.54) vs exclusive ever cigarette use. There was no association between exclusive current HTP (vs cigarette) use and respiratory symptoms (1.40; 95% CI, 0.93-2.11).Conclusions and relevanceThis cross-sectional study found that former and current HTP use were associated with persistent respiratory symptoms among youth, especially among never and former cigarette users. Respiratory symptoms were more prevalent in ever exclusive HTP users and ever dual users than ever exclusive cigarette users. These findings suggest that using HTPs instead of cigarettes may not reduce health risks.

Dataset Information

Trends in use of e-cigarette device types and heated tobacco products from 2016 to 2020 in England.

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