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Cultural and demographic correlates of dual tobacco use in a sample of Alaska Native adults who smoke cigarettes.

ABSTRACT: INTRODUCTION:Approximately 9 million American adults use two or more tobacco products regularly, referred to as dual or poly tobacco users. In Alaska, where tobacco is not native, approximately 20% of the population smokes cigarettes, and among smokers, 10% use two or more tobacco products. Previous research suggests that dual tobacco product use may be especially high among Alaska Native people. The current study examined cultural and demographic characteristics associated with dual tobacco use. METHODS:Alaska Native adults reporting daily smoking and identified with high blood pressure or cholesterol were recruited in the Norton Sound region of Alaska between 2015-2019 as part of a treatment trial targeting cardiovascular disease risk factors. Participants reported their tribal group, level of identification with their Alaska Native heritage, speaking of their tribal language, basic demographic characteristics, and past 30-day use of tobacco products in addition to smoking cigarettes. RESULTS:Participants (n=299) were 48.5% female and identified as Yup'ik (31.1%), Inupiat (60.5%), and other or multiple tribal group(s) (8.4%). Most participants (85.3%) strongly identified with their Alaska Native heritage. Past 30-day dual tobacco use was reported by 10.0%, specifically 9.0% chew/snuff, 1.3% e-cigarettes, and 0.7% Iq'mik. Multivariate regression models indicated that dual tobacco use was more likely among men (OR=3.35; 95% CI: 1.30-8.64), younger participants (OR range: 10.97-12.35; 95% CI: 2.33-57.86), those identifying as Yup'ik (OR=2.86; 95% CI: 1.13-7.19), and those who identified very little or not at all with their Alaska Native heritage (OR=2.98; 95% CI: 1.14-7.77). CONCLUSIONS:Young men identifying as Yup'ik were more likely to use dual forms of tobacco. Stronger identification with one's Alaska Native heritage was associated with lower risk of dual tobacco use. The findings highlight cultural and demographic factors for further consideration and attention in tobacco cessation treatment interventions.

SUBMITTER: Epperson AE

PROVIDER: S-EPMC7309271 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Cultural and demographic correlates of dual tobacco use in a sample of Alaska Native adults who smoke cigarettes.

Epperson Anna E AE Crouch Maria M Skan Jordan J Benowitz Neal L NL Schnellbaecher Matthew M Prochaska Judith J JJ

Tobacco induced diseases 20200616

<h4>Introduction</h4>Approximately 9 million American adults use two or more tobacco products regularly, referred to as dual or poly tobacco users. In Alaska, where tobacco is not native, approximately 20% of the population smokes cigarettes, and among smokers, 10% use two or more tobacco products. Previous research suggests that dual tobacco product use may be especially high among Alaska Native people. The current study examined cultural and demographic characteristics associated with dual tob ...[more]

PMID: 32587486

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Project description:IntroductionTobacco-specific nitrosamines (TSNAs) are potent carcinogens. Levels of TSNAs can be modified through manufacturing practices. In the 2000s, TSNA levels in cigarettes sold in Canada were reduced by changes in tobacco curing processes. The current study examined TSNA levels over the following decade to examine trends over time.MethodsData submitted to Health Canada under the Tobacco Reporting Regulations were used to examine whole tobacco constituents for 1809 brands and mainstream smoke emissions for 191 brands manufactured by Canada's three leading cigarette companies from 2005 through 2011/12 using one-way analysis of variances (ANOVAs) and linear regression models.ResultsLevels of N-nitrosoanatabine (NAT) (p < .001) and 4-(methylnitrosamino-1-(3-pyridyl)-1-butanone (NNK) (p < .001) in whole tobacco showed significant differences over time, decreasing between 2005 and 2007, and generally increasing from 2007 through 2012. Levels of all TSNAs in mainstream smoke emissions reflected a similar pattern: N-nitrosoanabasine (NAB) (p < .001), NAT (p < .001), NNK (p < .001), and N'-nitrosonornicotine (NNN) (p = .021). Linear regression analyses showed that TSNA levels varied by manufacturer over time in whole tobacco for NAT, NNK, and NNN (p < .001 for all), and in smoke emissions for NAB, NAT, NNK, and NNN (p < .001 for all).ConclusionsThe findings indicate that levels of TSNAs in whole tobacco and smoke emissions of cigarettes sold in Canada increased from 2007 through 2011/12, following initial reductions over the previous 2 years. Differences in TSNA levels between companies raise questions about manufacturing practices that may be responsible for these changes. Although increased levels of carcinogenic TSNAs may be alarming, it remains unclear whether these differences translate into differences in health risk.ImplicationsThe wide variation of TSNAs within the Canadian market across time and across cigarette companies demonstrates the feasibility of reducing the levels of these potent carcinogens. Although it is unclear whether changes made to levels of TSNAs will result in less tobacco-related disease, the tobacco industry bears a responsibility to minimize the harm from smoking to the fullest extent possible.

Dataset Information

Cultural and demographic correlates of dual tobacco use in a sample of Alaska Native adults who smoke cigarettes.

Publications

Cultural and demographic correlates of dual tobacco use in a sample of Alaska Native adults who smoke cigarettes.

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