Tobacco Use Insights最新文献

In June of 2024, I was asked by the Environmental Health Officer of Galway, Ireland, to recount my endeavors in support of the 2002 push to ban smoking in Irish workplaces, led by The Office of Tobacco Control (OTC) for The Republic of Ireland. At that time, OTC's smoke-free campaign was being vigorously opposed by publicans as well as the Irish tobacco industry. Their opposition had downplayed any effects of secondhand smoke on pub workers' health. As a researcher, I had published 46 peer-reviewed papers on the hazard, exposure, dose, risk, and control of secondhand smoke since 1980. In 1998, I had become a secondhand smoke consultant, assisting entities in the U.S. and abroad who were attempting to enact workplace smoking bans. In 2002, OTC's then Director, Tom Power, had contacted me to request my technical assistance to the Irish government in their campaign to enact a workplace smoking ban in Irish pubs. Accordingly, I asked for any local data that might aid me in my effort. He provided me with measurements of carbon monoxide from secondhand smoke in 14 Galway Pubs, performed by the Irish researcher Maurice Mulcahy in support of his Master's Thesis. Using a pharmacokinetic model that enabled mapping secondhand smoke carbon monoxide to its equivalent nicotine metabolite body fluid cotinine, I estimated that based on the Galway pub data, secondhand smoke exposures of nonsmoking Irish pub workers were at the upper extreme for nonsmokers when compared to a study of cotinine in London pub staff relative to the general population. Further, using a dose-response relationship, I was able to estimate that the working-lifetime risk of mortality from workplace secondhand smoke exposure would produce an estimated 150 deaths per year among the ∼28,000 full-time Irish pub workers. I presented this information to the Health Minister and Members of Parliament at the Dail, and in numerous multi-media interviews. These estimates rebutted bogus tobacco industry assertions that ventilation could control secondhand smoke, fired up the effort championed by Health Minister Micheál Martin to ban smoking in pubs, and helped to protect pub workers from being forced to trade their health for a pay cheque.

E-cigarettes (ECs) are a well-established consumer product. To study their respiratory health effects, there is the issue of heterogenous patterns of use: concurrently with cigarette smoking (dual use), exclusive use after smoking cessation (exclusive use), or use initiated without any prior or current use of cigarettes (naïve use). Our primary goal was to synthesize the evidence on the respiratory effects of ECs use in adults, categorized by their pattern of use. Additionally, we identified the highest quality systematic reviews and critically evaluated the current literature on this topic. The review was developed with published umbrella review guidelines. The database searches were Medline, Scopus, Cochrane, Epistemonikos, LILACS, and grey literature databases. The criterion for inclusion of systematic reviews was analyses of respiratory tests from randomized controlled trials or cohort studies. Quality assessments were performed with AMSTAR2 and a checklist of reporting biases. A narrative analysis was synthesized by test method: spirometry, impulse oscillometry, breath gasses, biomarkers, and clinical serious adverse events. Twelve systematic reviews were included. The findings on respiratory functioning were statistically non-significant across all patterns of use. Reporting bias was frequently observed. Based on the current research, there is no evidence of significant change in the short or medium term in respiratory function with any pattern of ECs use. We attribute the null findings to the weaknesses of acute studies, the participants' smoking history masking testing, and the inclusion of participants with a low frequency of use.

Objectives: The novelty of e-cigarette regulatory policy poses difficulties for evidence-informed decision making because there is little evaluative evidence on the effects of specific policies. One way to provide evidence to inform Canadian policy in this situation is to learn from users how they would behave under different policy scenarios without actually implementing those policies in real-world settings. Discrete Choice Experiments provide an opportunity to undertake this research. Methods: We recruited an online sample of 600 e-cigarette current and past users aged 16-25, using an existing panel of recently recruited e-cigarette users, to participate in a discrete choice experiment. Participants chose their preferred option from a choice of 2 e-cigarette products described by 4 attributes: flavour availability, location availability, nicotine concentration, and price. Results: Our findings provide an overview of how important each attribute (price, nicotine concentration, availability, and flavour) is to young e-cigarette users. Across all features, as price increases, respondents were less willing to purchase. The study provides evidence that while all 4 attributes have strong effects, nicotine concentration and flavour most significantly influenced preferences for e-cigarettes. Conclusion: This could provide points of comparison and a better understanding of how hypothetical regulatory restrictions could prevent youth uptake of e-cigarettes, encourage current youth vapers to quit vaping, and make e-cigarettes available and useful for smokers interested in vaping to help them completely quit combustible cigarette smoking.

Objective: To explore the association of hookah use on the age of asthma onset among adults who were asthma/COPD free and who did not use cigarettes, cigars, electronic cigarettes or smokeless tobacco prior to asthma onset.

Methods: Secondary data analyses were conducted of the waves 1-6 (2013-2021) of the US nationally representative Population Assessment of Tobacco and Health Study among adults (>18 years). The four hookahs use exposures evaluated were (1) past 30-day (P30D) hookah use at the first wave of participation, (2) total number of waves before asthma onset in which adults reported P30D hookah use, (3) total number of years since first hookah use, and (4) average length of hookah sessions. Lower and upper age limits were estimated using the age reported at the first wave of participation and the number of weeks between follow-up waves until asthma was first reported or censored. Associations of the exposures on the age of asthma onset were estimated using weighted interval-censoring-Cox-regression.

Results: The total sample size for analysis was 5,768, representing 66.6 million adults. There was a lack of statistical power to detect differences in the age of asthma onset by (1) P30D hookah use (Adjusted Hazard Ratio (AHR) 3.77, 95CI%: .90-15.71). There was an association between (2) total number of waves of P30D hookah use (AHR 1.72, 95% CI 1.28-2.30), (3) total number of years since first hookah use (AHR 2.94, 95% CI 1.36-6.36), and (4) average length of hookah sessions (AHR 4.52, 95% CI 1.61-12.67) with the age of asthma onset. Females and Hispanics with over one year since first hookah use had higher risk of earlier age of asthma onset.

Conclusion: Prevention and cessation programs for adults who use hookah are needed to educate the public, protect public health, prevent adverse health outcomes, and motivate hookah users to stop.

Background: Secondhand smoke (SHS) exposure remains a critical public health concern, especially for adolescents, who are more susceptible to its harmful effects and may initiate smoking as a result. SHS, comprising both mainstream and sidestream smoke, contains over 7000 chemicals, many of which are carcinogenic. Adolescents exposed to SHS are more likely to experiment with smoking due to environmental influences, peer pressure, and familial smoking behavior.

Objective: This study aims to examine the relationship between SHS exposure and smoking attitudes and behaviors among adolescents aged 13-15 in the Gaza Strip, where SHS exposure and tobacco use remain prevalent.

Methods: Data were obtained from the 2019 Global Youth Tobacco Survey (GYTS), a cross-sectional, school-based survey targeting students in Gaza. The study employed a two-stage cluster sampling design to ensure a representative sample. SHS exposure was assessed in multiple contexts, including home, public enclosed spaces, and outdoor areas. Smoking attitudes, initiation behaviors, and demographic variables were also analyzed using descriptive statistics, Chi-square tests, and multivariable logistic regression to identify predictors of smoking behaviors.

Results: Of the 1536 adolescents surveyed, 62.3% reported SHS exposure at home, and 53.9% reported exposure in enclosed public spaces. Adolescents exposed to SHS were significantly more likely to experiment with smoking, with curiosity (62.2%) and peer influence being key motivators. Additionally, SHS exposure in both indoor and outdoor environments was associated with a higher likelihood of shisha experimentation. Females reported higher SHS exposure rates than males across all environments (P < .001).

Conclusion: SHS exposure significantly increases the risk of smoking initiation among adolescents in the Gaza Strip. These findings emphasize the need for targeted public health interventions, including stricter smoke-free legislation, parental education, and awareness campaigns aimed at reducing SHS exposure and preventing smoking uptake in youth.

[This corrects the article DOI: 10.1177/1179173X241298524.].

Background: The availability of novel nicotine products like oral nicotine pouches (ONP) has been rising in South Asian countries, including Pakistan. We aimed to assess ONP marketing strategies at point-of-sale (POS) and understand the perceptions among consumers and sellers regarding its use in Karachi, Pakistan. Methods: We conducted a mixed-methods study in low, middle, and high socioeconomic neighborhoods of District East Karachi. For the quantitative component, we used a cross-sectional design, collecting data through observations and surveys. The observation checklist included items about advertising, product placement, display, and promotional aids. The survey questionnaire included questions on marketing tactics, product placement, and advertising strategies for ONP. For the qualitative component, we conducted in-depth interviews with ONP consumers and sellers to explore their perceptions and understand marketing strategies. Frequencies and percentages were used to report quantitative data, while thematic analysis was conducted for qualitative findings. Results: We observed 90 POS of ONP and found that 20% (n = 18) were located within 200 meters of schools. ONP advertisements were found in 67% (n = 60) of the surveyed shops, 59% (n = 53) displayed ONP next to candy, and 70% (n = 63) displayed at child's eye level. A higher proportion of consumers (n = 66, 73%) use ONP as a cessation aid for tobacco. Most sellers (n = 48, 53%) were approached by the companies to sell ONP, and 40% received a commission while achieving the targets on ONP sell. About one-fourth of sellers (n = 21, 23%) reported selling ONP to students less than 18 years. Our qualitative findings revealed marketing strategies, peer influence, ease of use in tobacco-restricted areas, and the perception of reduced harm compared to cigarettes as key drivers of ONP consumption. Conclusion: Our study highlights a critical public health concern and offers valuable insights that could inform the development of policies to regulate tobacco sales.

Medications for smoking cessation can double quit rates but are underused in primary care. This qualitative study aimed to explore: (1) patients' perspectives regarding having their general practitioner (GP) use a proactive approach to smoking cessation treatment using an encounter decision aid (DA), and (2) their expectations regarding their GP's role. We conducted qualitative semi-structured interviews with participants of the FIRST randomized trial (adults who smoke daily with any level of motivation for tobacco quitting). In the FIRST study, the intervention was a half-day course teaching GPs to use a proactive approach using a DA. Control GPs received a 1-h refresher training. Phone interviews were run 5-16 weeks after a routine visit with their GP. A thematic data analysis was performed with 20% double independent coding. We conducted 20 semi-structured interviews (mean age 49 years, 55% female). In the intervention group (n = 12), 7 participants appreciated the DA, saw it as useful, usable, and valuable. Two participants did not find it helpful and 3 did not recall having used it. Participants felt their GP provided moral support, more than from a specialist (cardiologist or pulmonologist) because their GP knows them better and has more time during the visit. They felt that the most important factor influencing smoking cessation was their own motivation, not treatment. Most participants appreciated the DA. Most participants did not perceive medications as part of quitting. They thought quitting was a matter of motivation. A DA could be an acceptable way to encourage use of treatments to aid with tobacco cessation. An early presentation of treatment options to all persons who smokes may encourage them to request a treatment when ready to quit smoking. Patient perceptions of the role of GPs and treatments for smoking cessation may be a barrier to seeking help to quit.

Background: New therapeutic cessation approaches are being tested in clinical trials to engage and retain people who smoke. Our team is conducting a pragmatic randomized clinical trial (RCT) to evaluate a new treatment for tobacco dependence, but enrolling participants and ensuring adherence has been more challenging than in previous trials.

Objective: To determine the predictors of enrollment and adherence in the RCT.

Design: A secondary analysis of data from a tobacco cessation RCT.

Methods: Data was collected during a two-group RCT testing the efficacy of an integrative guided imagery vs behavioral treatment, with both conditions involving six weekly, hour-long sessions over 9 weeks.

Results: Of the 1074 randomized participants, 803 (74.8%) enrolled (completed the first session), and 631 (78.6%) of those were adherent (attended all scheduled sessions). Variables associated with enrollment included age (adjusted odds ratio [AOR], 1.01; 95% CI, 1.0003-1.02; P = 0.04) and state of residence (West Virginia vs New York (NY), AOR, 0.66; 95% CI, 0.46-0.94; P = 0.02), with older participants and those from NY more likely to enroll. Variables associated with adherence included race (Black vs White) (AOR, 2.09; 95% CI, 1.05-4.16; P = 0.04), higher education (at least some college vs high school or less) (AOR, 2.27; 95% CI, 1.58-3.26; P < 0.0001), marital status (all others vs single/never married) (AOR, 1.66; 95% CI, 1.11-2.48; P = 0.01), and state of residence (Arizona vs NY) (AOR, 0.52; 95% CI, 0.34-0.78; P = 0.002). Within Arizona, older age increased enrollment, while higher education and marriage improved adherence. Within NY, higher education was associated with both increased enrollment and adherence, while higher number of household smokers, and not reporting substance use were associated with increased adherence.

Conclusion: Enrolling and retaining people who smoke in cessation trials requires novel strategies. Identifying predictors of enrollment and adherence offers valuable insights for overcoming barriers in future tobacco cessation RCTs.

Introduction: Multiple tobacco product (MTP) use may intensify nicotine dependence and reduce the chances of quitting success. Characterizing MTP use in people with HIV (PWH) in low- and middle-income countries (LMICs) is needed to guide cessation approaches in this group. This study aimed to identify patterns and correlates of MTP use among PWH in a single clinic. Methods: This study was conducted among PWH at a clinic in Chennai, India. Participants completed an in-person survey providing information on tobacco use, demographics, and cessation-related factors. This analysis focused on PWH who reported current tobacco use. We used Fisher's exact test (categorical variables) and the Wilcoxon rank-sum test (continuous variables) to assess statistical differences in demographics and cessation-related factors between PWH who used single vs multiple tobacco products. Results: Of 154 PWH adults surveyed, 58 (37.7%) reported current tobacco use. Most PWH currently using tobacco were male (n = 49/58, 84%), with a median age of 21 years (IQR: 10). Forty-six percent (n = 27/58; 95% CI: 33% - 60%) reported MTP use, combining three products (IQR: 3) on average. Those who used multiple products were more likely to have a higher education level (n = 12/27, 44%; 95% CI: 25% - 65%) compared to those who used a single product (n = 2/16, 12%; 95% CI: 1% - 38%) (P-value = 0.03). A lower proportion of participants who reported MTP use were unemployed (n = 1/27, 97%; 95% CI: 0% - 19%) compared to those who used a single product (n = 5/16, 31%; 95% CI: 11% - 59%) (P-value = 0.04). All other factors, including gender, primary language, marital status, and cessation-related factors, were comparable between PWH who used a single tobacco product and those who used multiple products. Conclusion: Among PWH who currently smoke, almost half use tobacco combined multiple products. MTP use in PWH was linked to higher education levels and employment in this single clinical setting.