Nicotine & Tobacco Research最新文献

{"title":"E-cigarette use at the intersection of sexual identity and race/ethnicity among US adults: Results from 2021-2023 National Health Interview Survey (NHIS).","authors":"Juhan Lee, Andy S L Tan","doi":"10.1093/ntr/ntaf176","DOIUrl":"https://doi.org/10.1093/ntr/ntaf176","url":null,"abstract":"<p><strong>Introduction: </strong>Understanding e-cigarette use among those with multiple intersecting marginalized identities is important since those individuals might experience intersectional minority stress, which is associated with tobacco use. This study examined the prevalence of e-cigarette use at the intersection of race/ethnicity and sexual identity among US adults.</p><p><strong>Methods: </strong>We analyzed the pooled 2021 to 2023 National Health Interview Survey (NHIS) dataset adult samples (N=86655). We conducted an adjusted binomial logistic regression analysis to predict past-30-day e-cigarette use with sexual identity (straight, gay/lesbian/bisexual/something else [LGB+]), race/ethnicity (Non-Hispanic White, Non-Hispanic Black/African American, Non-Hispanic Asian, Non-Hispanic American Indian and Alaska Native, Hispanic, Other races) and an interaction term between sexual identity and race/ethnicity in one model, adjusted for age, education, cigarette smoking, and diagnoses of chronic diseases. The results were stratified by sex and the adjusted predicted margins were estimated.</p><p><strong>Results: </strong>Among total respondents, 5.5% (weighted) reported past-30-day e-cigarette use, 5.3% were LGB+, 11.8% were non-Hispanic Black, 6.1% were non-Hispanic Asian, 1.4% were non-Hispanic American Indian and Alaska Native, and 17.2% were Hispanic. The overall interaction effect between sexual identity and race/ethnicity on outcome was significant among total respondents (p=0.004) and females (p<0.001), but not males. Among females, the adjusted predicted margins for current e-cigarette use between LGB+ individuals and heterosexual individuals in Hispanic groups (4.0% vs. 1.0%) were significantly different from those in the NH White group (4.4% vs. 3.4%).</p><p><strong>Conclusion: </strong>Sexual minority adults in Hispanic groups, particularly Hispanic sexual minority females, may be at increased risk for e-cigarette use than Hispanic heterosexual females.</p><p><strong>Implications: </strong>This study highlights the risk of e-cigarette use among sexual minority adults in non-White racial/ethnic groups, particularly Hispanic sexual minority females. These findings underscore the need for future research to understand the unique drivers of e-cigarette use among Hispanic sexual minority females.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144962879","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":"Price-Responsiveness of Cigarette Smoking Behaviors across Income Groups in the United States.","authors":"Courtney Keeler, Tingting Yao, Yingning Wang, Wendy Max, Hai-Yen Sung","doi":"10.1093/ntr/ntaf177","DOIUrl":"https://doi.org/10.1093/ntr/ntaf177","url":null,"abstract":"<p><strong>Introduction: </strong>To compare price-responsiveness of smoking participation and intensity across U.S. income groups.</p><p><strong>Methods: </strong>We pooled the 2015-2016, 2018-2019, and 2022 Tobacco Use Supplement to the Current Population Survey data (n = 337 974 aged 18+), classifying respondents into poor, low-income, middle-income, and high-income groups (<100%, 100-199%, 200-399%, and ≥ 400% of the Federal Poverty Level (FPL), respectively). Using a two-part econometric model of cigarette demand, we estimated the price elasticities of smoking participation and intensity for each income group. State-level cigarette price data came from the Tax Burden on Tobacco Report. Additional covariates included sociodemographic characteristics, secular variation, and state-level smoke-free air law coverage, tobacco control program funding, and unemployment rate.</p><p><strong>Results: </strong>Price elasticity of smoking participation was significant for the poor (-0.32), low-income (-0.27), and middle-income (-0.24) groups but not for the high-income group. Price elasticity of smoking intensity was statistically significant for middle-income (-0.33) and high-income (-0.42) smokers but not for poor and middle-income smokers. Total price elasticity of cigarette demand was statistically significant for all groups; total elasticity estimates were highest among the middle-income group (-0.56), followed by the low-income (-0.48), and were lowest among the poorest (-0.40) and highest income (-0.40) groups.</p><p><strong>Conclusions: </strong>Our results indicate that the lower-income (<200% FPL) groups were significantly more price-responsive than the high-income group in reducing smoking participation but smokers in these lower-income groups were not price-responsive in reducing smoking intensity. Earmarking cigarette taxation revenues for cessation assistance to help smokers in the lower-income groups who could not quit smoking is warranted.</p><p><strong>Implications: </strong>This study adds to the rich but inconclusive literature, comparing the price-responsiveness of smoking behaviors across U.S. income groups. Our results also indicate that the lower-income (<200% FPL) groups were significantly more price-responsive than the high-income group in quitting cigarette smoking but smokers in the lower-income groups were not price-responsive in reducing smoking intensity. Earmarking cigarette taxation revenues for cessation assistance to help smokers in the lower-income groups who could not quit smoking is warranted.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144962986","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":"A Study of Localized Spontaneous Activity Changes in Cerebral White Matter in Adolescent Smoking Addiction.","authors":"Daining Song, Ting Xue, Junxuan Wang, Fang Dong, Yongxin Cheng, Juan Wang, Xinyu Ma, Mingze Zou, Shuailin Ding, Zhanlong Tao, Dahua Yu, Kai Yuan","doi":"10.1093/ntr/ntaf175","DOIUrl":"https://doi.org/10.1093/ntr/ntaf175","url":null,"abstract":"<p><strong>Introduction: </strong>Previous research has primarily concentrated on alterations in spontaneous brain activity within the gray matter of young smokers; however, the influence of nicotine addiction on spontaneous brain activity in the white matter was unknown.</p><p><strong>Methods: </strong>The current study encompassed 45 male smokers and 45 male non-smokers. Regional Homogeneity (ReHo) and Amplitude of Low-Frequency Fluctuations (ALFF) analyses were applied to examine regional neural activity in the white matter. Voxel-wise two-sample t-tests were employed to detect differences between the two groups, significance was determined using an FDR correction (voxel-level threshold: p<.001; cluster-level q < 0.05). Pearson correlation was conducted to assess the relationships between ReHo/ALFF and the Fagerström Test for Nicotine Dependence (FTND).</p><p><strong>Results: </strong>Smokers exhibited significantly decreased ReHo in the corticospinal tract (CST) and the splenium of the corpus callosum (SCC),while increased ReHo was observed in the bilateral posterior thalamic radiation (PTR). Decreased ALFF was observed in the right superior corona radiata, the SCC, and the left medial lemniscus. Correlation analysis showed that the ReHo value in the CST was negatively correlated with FTND (r = -0.353, p=.017).</p><p><strong>Conclusions: </strong>This study found that there were abnormalities in the local functional activity of white matter in young smokers; and the aberrant activity was related the severity of smoking. The findings may provide additional evidence for understanding nicotine addiction.</p><p><strong>Implications: </strong>This study reveals abnormal patterns of localized spontaneous neural activity in the white matter of young smokers. Given the developmental trajectory of the brain, alterations in white matter functional activity may precede those in gray matter. These findings suggest that localized white matter functional changes could serve as early biomarkers of young nicotine addicts and expand our understanding of its underlying neurobiological mechanisms.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144962864","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":"Characterization of Cognitive-Behavioral Counseling Duration Thresholds for Effective Tobacco Treatment.","authors":"Jennifer A Minnix, George Kypriotakis, Janice A Blalock, Charles E Green, Maher Karam-Hage, Jason D Robinson, Paul M Cinciripini","doi":"10.1093/ntr/ntaf159","DOIUrl":"https://doi.org/10.1093/ntr/ntaf159","url":null,"abstract":"<p><strong>Introduction: </strong>The purpose of this study was to characterize the dose-response relationship between duration of cognitive-behavioral counseling and abstinence in individuals who participated in a randomized controlled trial (RCT) for smoking cessation.</p><p><strong>Method: </strong>This is a secondary analysis of participants enrolled in double-blind RCTs for smoking cessation consisting of 12 weeks of pharmacotherapy (placebo; n = 142; varenicline; n = 257) combined with counseling. Participants were 41% female, 66% non-Hispanic White, who smoked a median of 20 cigarettes per day (CPD). Seven-day point prevalence (7-dayPP) and prolonged abstinence were calculated at the end of treatment and at the 6-month follow-up.</p><p><strong>Results: </strong>All abstinence outcomes exhibited sigmoidal (s-shaped) relationships with duration of counseling, and the median effective duration was similar (ranging from 130 to 160 minutes). The sigmoidal curves between placebo and varenicline were significantly different (7-dayPP at EOT: F = 14.68, p<.01) The difference between the maximum efficacy for the medications is 0.34 (p-value <0.01) for 7-dayPP abstinence at EOT, indicating approximately 35% higher rates of abstinence at the maximum efficacy of counseling for those in the varenicline group as compared with those in the placebo group.</p><p><strong>Conclusions: </strong>Participants who received counseling and pharmacotherapy to quit smoking exhibited a duration-dependent response of abstinence to counseling captured by a sigmoidal curve that exhibited variation in the maximum efficacy between placebo and varenicline, suggesting either that counseling for smoking cessation enhanced the effect of varenicline on abstinence, or more likely, that counseling was more effective in achieving abstinence in the presence of varenicline.</p><p><strong>Implications: </strong>The results suggest that cognitive-behavioral counseling for smoking cessation is more effective in achieving abstinence in the presence of varenicline or less likely, that counseling enhanced the effect of varenicline on abstinence. Optimizing the duration of counseling, particularly when coupled with pharmacotherapy, can offer more tailored and efficient cessation strategies. This finding emphasizes that the integration of behavioral and pharmacological approaches is crucial for maximizing the effectiveness of smoking cessation interventions, consistent with previous evidence and current guidelines.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144962884","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":"E-Cigarettes for Smoking Cessation in Patients With Opioid Use Disorders: From Charybdis to Scylla?-Authors Reply.","authors":"Irene Pericot-Valverde, Shadi Nahvi, Moonseong Heo, Diann E Gaalema, James F Thrasher, Abigail W Batchelder, Alain H Litwin","doi":"10.1093/ntr/ntaf079","DOIUrl":"10.1093/ntr/ntaf079","url":null,"abstract":"","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":"1669-1670"},"PeriodicalIF":3.0,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143753643","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":"E-cigarette Use and Incident Cardiometabolic Conditions in the All of Us Research Program.","authors":"John Erhabor, Zhiqi Yao, Erfan Tasdighi, Emelia J Benjamin, Aruni Bhatnagar, Michael J Blaha","doi":"10.1093/ntr/ntaf067","DOIUrl":"10.1093/ntr/ntaf067","url":null,"abstract":"<p><strong>Introduction: </strong>Although several potential respiratory and cardiovascular health effects of e-cigarettes have been reported, their association with incident cardiometabolic conditions remains unclear.</p><p><strong>Aims and methods: </strong>We used longitudinal data from the All of Us research program to investigate the association between current exclusive e-cigarette use (EE), exclusive combustible cigarette use (ECC), and dual use (DU) with incident cardiometabolic conditions, including hypertension, type 2 diabetes mellitus (T2DM), chronic obstructive pulmonary disease (COPD), heart failure (HF), and atherosclerotic cardiovascular disease (ASCVD), using Cox regression analyses adjusted for age, sex, race and ethnicity, and body mass index. ECC use was used as a positive control to validate our methodology and findings.</p><p><strong>Results: </strong>Among 249 190 individuals (67.2% female, 52.0% non-Hispanic White, 21.5% non-Hispanic Black) followed for 3.7-3.9 years, EE, compared with nonuse, was not significantly associated with hypertension (1.01 [95% CI 0.83 to 1.23]), T2DM (0.88 [0.66-1.16]), ASCVD (1.05 [0.59-1.86]), or HF (0.82 [0.47-1.41]), but was significantly associated with COPD (2.29 [1.42-3.71]). Among individuals aged 30-70 years, EE was significantly associated with hypertension (1.39 [1.09-1.77]). ECC and DU were strongly associated with all outcomes, with DU having higher point estimates but overlapping confidence intervals compared to ECC for all outcomes except ASCVD (2.18 [1.82 to 2.62]) where risk with DU appeared higher.</p><p><strong>Conclusion: </strong>We demonstrated a significant longitudinal association between exclusive e-cigarette use and COPD, and hypertension only among individuals aged 30-70 years. ECC and DU were strongly associated with all conditions, with DU potentially associated with higher ASCVD risk. These findings highlight some potential risks of e-cigarette use and provide context to inform advisories and regulatory policies on novel products on their health risks.</p><p><strong>Implications: </strong>These findings help to clarify the potential risks associated with e-cigarette use. Understanding these risks can aid the Food and Drug Administration in developing regulatory frameworks for tobacco products.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":"1651-1656"},"PeriodicalIF":3.0,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12370469/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of Federally Mandated Smoke-Free Housing Policy and Health Outcomes Among Adults Over the Age of 50 in Low-Income, Public Housing in New York City, 2015-2022.","authors":"Elle Anastasiou, Lorna E Thorpe, Katarzyna Wyka, Brian Elbel, Donna Shelley, Sue Kaplan, Jonathan Burke, Byoungjun Kim, Jonathan Newman, Andrea R Titus","doi":"10.1093/ntr/ntaf046","DOIUrl":"10.1093/ntr/ntaf046","url":null,"abstract":"<p><strong>Introduction: </strong>Effective July 2018, the U.S. Department of Housing and Urban Development issued a rule requiring all public housing authorities to implement smoke-free housing (SFH) policies in their developments. We examined the differential impacts of SFH policy on hospitalizations for myocardial infarction (MI) and stroke among adults aged ≥50 years old living in New York City (NYC) Housing Authority (NYCHA) versus a matched-comparison population in NYC.</p><p><strong>Aims and methods: </strong>We identified census block groups (CBGs) comprised solely of 100% NYCHA units (N = 160) and compared NYCHA CBGs to a selected subset of CBGs from all CBGs with no NYCHA units (N = 5646). We employed propensity score matching on distributions of key CBG-level sociodemographic and housing covariates. We constructed incident rates per 1000 persons by aggregating 3-month \"quarterly\" counts of New York State all-payer hospitalization data from October 2015 to December 2022 and dividing by the population aged ≥50 in selected CBGs, ascertained from 2016 American Community Survey 5-year estimates. We selected a difference-in-differences (DID) analytic approach to examine pre- and post-policy differences in incident hospitalizations between the intervention and matched-comparison groups.</p><p><strong>Results: </strong>Matching results indicated a balanced match for all covariates, with standardized mean differences <0.10. In DID analyses, we observed small declines in both MI (DID = -0.26, p = .02) and stroke (DID = -0.28, p = .06) hospitalization rates for NYCHA CBGs compared to non-NYCHA CBGs from pre-to post-54 months' policy.</p><p><strong>Conclusions: </strong>SFH policies in NYC were associated with small reductions in CVD-related hospitalizations among older adults living in housing subject to the policy.</p><p><strong>Implications: </strong>Housing remains a key focal setting for interventions to reduce SHS exposure and associated morbidities. Ongoing monitoring is warranted to understand the long-term impacts of SFH policies in public housing developments.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":"1566-1573"},"PeriodicalIF":3.0,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12370475/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143803823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cotinine-Measured Secondhand Smoke Exposure Among Federal Housing Assistance Recipients Without Active Tobacco or Nicotine Use in the United States: NHANES, 2007-2018.","authors":"Bryan Stierman, Veronica Helms Garrison, Debra J Brody, Jacqueline V Bachand","doi":"10.1093/ntr/ntaf006","DOIUrl":"10.1093/ntr/ntaf006","url":null,"abstract":"<p><strong>Introduction: </strong>The prevalence of cigarette smoking is high among U.S. Department of Housing and Urban Development (HUD) assistance recipients, putting others at risk for secondhand smoke (SHS) exposure. We evaluated the burden of SHS exposure among HUD-assisted children, adolescents, and adults.</p><p><strong>Aims and methods: </strong>Using 2007-2018 National Health and Nutrition Examination Survey (NHANES) data linked with HUD administrative data, we assessed SHS exposure prevalence, defined using serum cotinine, among non-tobacco, non-nicotine-using, HUD-assisted children and adolescents (ages 3-17 years, n = 955) and adults (ages ≥ 18 years, n = 878) and among low-income, HUD-unassisted children and adolescents (n = 5788) and adults (n = 8027). Time trends were evaluated. Unadjusted and adjusted multivariable logistic regression models were created to assess SHS exposure by HUD assistance status.</p><p><strong>Results: </strong>The prevalence of SHS exposure during 2015-2018 was 73.2% (95% CI = 63.2% to 81.7%) among HUD-assisted children and adolescents and 50.1% (95% CI = 40.1% to 60.1%) among HUD-assisted adults. Decreases in SHS exposure among HUD-assisted individuals from 2007-2010 through 2015-2018 were significant only for ages 12-17 years (78.6% [95% CI = 68.0% to 87.0%] to 64.3% [95% CI = 52.5% to 74.9%]; p = .04). Among low-income individuals, SHS exposure was higher during 2007-2018 among HUD-assisted than HUD-unassisted children and adolescents (OR = 3.39 [95% CI = 2.58 to 4.47]) and adults (2.11 [95% CI = 1.66 to 2.68]). Results remained significant after adjusting for social, demographic, and housing characteristics.</p><p><strong>Conclusions: </strong>HUD-assisted children, adolescents, and adults had higher exposure to SHS than those not receiving HUD assistance. SHS exposure among HUD-assisted individuals was high for all years studied, compared to published estimates for the general US population, but did decrease among children and adolescents aged 12-17 years.</p><p><strong>Implications: </strong>This study is the first to provide biomarker-derived prevalence estimates of SHS exposure among recipients of HUD assistance within a nationally representative sample of the United States. The findings suggest that HUD-assisted children, adolescents, and adults are an at-risk population for SHS exposure, independent of known confounding social and demographic factors.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":"1541-1551"},"PeriodicalIF":3.0,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12333854/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142971738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Network Dynamics of Social Influence on E-cigarette Use Among an Ethnically Diverse Adolescent Cohort.","authors":"Sarah E Piombo, Kayla de la Haye, Thomas W Valente","doi":"10.1093/ntr/ntaf065","DOIUrl":"10.1093/ntr/ntaf065","url":null,"abstract":"<p><strong>Introduction: </strong>The objective of this study was to examine the mechanisms of social influence driving e-cigarette use in adolescent social networks and differentiate between the effects of exposure to friend behavior and social norms on individual use.</p><p><strong>Aims and methods: </strong>Surveys on health behaviors and friendship networks from nine high schools in Southern California (N = 2245; 48% Hispanic) were collected at three time points from Spring 2021 of grade 9, Fall 2021, and Spring 2022 of grade 10. Stochastic actor-oriented models for the co-evolution of social networks and behavior dynamics tested for friendship network social influences on e-cigarette use. Two mechanisms of social influence were estimated, exposure to friend behavior (e-cigarette use among friends) and pro-e-cigarette social norms (perceived peer approval and use of e-cigarettes), while controlling for social selection, individual covariates, and endogenous network effects. Results from the nine schools were combined in a meta-analysis.</p><p><strong>Results: </strong>Findings revealed social influence effects through exposure to friend e-cigarette use and pro-e-cigarette social norms, which both had significant positive influences on individual e-cigarette initiation over time. Furthermore, Hispanic/Latine individuals and females were more likely to initiate e-cigarette use compared to males and non-Hispanic/Latine students.</p><p><strong>Conclusions: </strong>The importance of these effects should be considered in tobacco prevention initiatives. Designing culturally tailored interventions that target youth social networks and e-cigarette social norms could be effective at curtailing adolescent use. Changing perceptions and social acceptability of e-cigarettes could be one way to slow or prevent the spread of e-cigarette use in adolescent networks.</p><p><strong>Implications: </strong>These findings demonstrate the role of social influence on adolescent e-cigarette use through two mechanisms, both friend behavior and social norms. A shift in prevention strategies toward addressing social dynamics and social norms rather than focusing solely on individual-level factors may be effective in curtailing use. Changing social perceptions and reducing the social acceptability of e-cigarette use may help slow the spread in adolescent networks.</p>","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":"1583-1590"},"PeriodicalIF":3.0,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12370464/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"\"Dual Use\" of E-Cigarettes Alongside Cigarettes Encompasses Varied Behavior Patterns and Motives That Have Different Implications for Health and Smoking Cessation.","authors":"Sarah E Jackson","doi":"10.1093/ntr/ntaf124","DOIUrl":"10.1093/ntr/ntaf124","url":null,"abstract":"","PeriodicalId":19241,"journal":{"name":"Nicotine & Tobacco Research","volume":" ","pages":"1497-1498"},"PeriodicalIF":3.0,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12370462/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144234622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}