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INTRODUCTION: Research has rarely examined ethnic differences in exposure to coronavirus disease (COVID)-related stress in relation to smoking and e-cigarette use. AIMS AND METHODS: Using pre- and post-COVID data from a sample of predominantly Asian American (AA) and Native Hawaiian and Pacific Islander (NHPI) young adults, this study aimed to test the effects of ethnicity on cigarette smoking and e-cigarette use through exposure to COVID-related stress. Young adults from Hawaii who provided pre-COVID data in or before January 2020 were followed up with in March-May 2021. N = 1907 (mean age = 24.9 [SD = 2.9], 56% women) provided complete data relevant to the current analysis at both waves of data collection. Structural equation modeling was used to test the effects of ethnicity (white, Asian [eg, Japanese, Chinese], Filipino, NHPI, and other) on pre- to post-COVID changes in cigarette and e-cigarette use via effects on COVID-related stress. RESULTS: Relative to Asian young adults, members of all other ethnic groups (NHPI, Filipino, white, and other) indicated greater exposure to COVID-related stress. Higher levels of COVID-related stress were associated with increased dual-use status and increased current e-cigarette and cigarette use frequencies. Higher COVID-related stress mediated the effects of NHPI, Filipino, and other ethnicity on increased dual-use status. CONCLUSIONS: The current data indicate that young adults of vulnerable ethnic groups who experience higher COVID-related stress are at increased risk for dual use of cigarettes and e-cigarettes. IMPLICATIONS: The findings imply that tobacco use prevention and treatment efforts may need to pay increased attention to racial or ethnic groups that have experienced greater adverse impact of the COVID-19 pandemic.
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COVID-19 , Fumar Cigarrillos , Sistemas Electrónicos de Liberación de Nicotina , Vapeo , Humanos , Femenino , Adulto Joven , Adulto , Masculino , Etnicidad , Fumar Cigarrillos/epidemiología , Estudios Longitudinales , Pandemias , COVID-19/epidemiologíaRESUMEN
Associations of e-cigarette use with respiratory disorder have been demonstrated but it has been unclear whether these are confounded by current or previous cigarette smoking. We address this question through studying different time frames for e-cigarette use and respiratory disorders in 2020 BRFSS data (N = 214,945). E-cigarette use and combustible cigarette smoking were classified into four categories: Participant never used either (Nonuse); used e-cigarettes/cigarettes but not in the past 30 days (Former Use), used in past 30 days on some days (Nondaily Use), or used past 30 days on all days (Daily Use). Contrasts for e-cigarette status and cigarette status (with nonuse as reference group) were entered with covariates in logistic regression with asthma or COPD as criterion. Stratified analyses of e-cigarette use were also performed for smokers and nonsmokers. In the total sample, results showed independent positive associations with both lifetime and current asthma for Former, Nondaily, and Daily e-cigarette use (mostly p < .0001) and the three cigarette indices. Significant positive associations with COPD were found for the three e-cigarette indices (p < .0001) and all the cigarette indices. Stratified analyses showed significant associations of e-cigarette use with respiratory disorder among nonsmokers as well as among smokers. We conclude that independent associations for former e-cigarette use (controlling for current/former smoking) and significant associations of e-cigarette use with respiratory disorder among nonsmokers indicate these associations are not confounded with cigarette smoking and suggest reverse causation is implausible. Findings for former use are discussed with reference to possible mechanisms including sensitization effects.
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Asma , Fumar Cigarrillos , Sistemas Electrónicos de Liberación de Nicotina , Enfermedad Pulmonar Obstructiva Crónica , Enfermedades Respiratorias , Vapeo , Asma/epidemiología , Fumar Cigarrillos/epidemiología , Humanos , Enfermedad Pulmonar Obstructiva Crónica/epidemiología , Nicotiana , Vapeo/efectos adversos , Vapeo/epidemiologíaRESUMEN
BACKGROUND: Use of electronic cigarettes (e-cigarettes) is prevalent among adolescents and young adults, but there has been limited knowledge about health consequences in human populations. We conduct a systematic review and meta-analysis of results on respiratory disorders from studies of general-population samples and consider the mapping of these results to findings about biological processes linked to e-cigarettes in controlled laboratory studies. METHOD: We conducted a literature search and meta-analysis of epidemiological studies on the association of e-cigarette use with asthma and with COPD. We discuss findings from laboratory studies about effects of e-cigarettes on four biological processes: cytotoxicity, oxidative stress/inflammation, susceptibility to infection and genetic expression. RESULTS: Epidemiological studies, both cross-sectional and longitudinal, show a significant association of e-cigarette use with asthma and COPD, controlling for cigarette smoking and other covariates. For asthma (n=15 studies), the pooled adjusted odds ratio (aOR) was 1.39 (95% CI 1.28-1.51); for COPD (n=9 studies) the aOR was 1.49 (95% CI 1.36-1.65). Laboratory studies consistently show an effect of e-cigarettes on biological processes related to respiratory harm and susceptibility to illness, with e-cigarette conditions differing significantly from clean-air controls, although sometimes less than for cigarettes. CONCLUSIONS: The evidence from epidemiological studies meets established criteria for consistency, strength of effect, temporality, and in some cases a dose-response gradient. Biological plausibility is indicated by evidence from multiple laboratory studies. We conclude that e-cigarette use has consequences for asthma and COPD, which is of concern for respirology and public health.
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Sistemas Electrónicos de Liberación de Nicotina , Productos de Tabaco , Vapeo , Adolescente , Estudios Transversales , Humanos , Laboratorios , Vapeo/efectos adversos , Adulto JovenRESUMEN
BACKGROUND: Native Hawaiians have higher hypertension (HTN) and cardiovascular disease (CVD) rates than non-Hispanic whites, calling for culturally responsive interventions to close this gap. PURPOSE: We tested the effects of a 6-month behavioral intervention, a cultural dance program based on hula (the customary dance of Hawai'i), for improving blood pressure (BP) and CVD risk among Native Hawaiians with uncontrolled HTN. METHODS: In a randomized controlled trial, we tested the effects of the hula-based intervention among 263 Native Hawaiians with uncontrolled HTN (systolic ≥ 140 or ≥ 130 mmHg if diabetes) and no CVD at enrollment. All participants received a brief culturally tailored heart health education before random assignment to the hula-based intervention (n = 131) or the education-only waitlist control (n = 132). Intervention received hula lessons and group-based activities for 6 months. Control received only 1-week education through 6 months. RESULTS: Intervention yielded greater reductions in systolic (-15.3 mmHg) and diastolic (-6.4 mmHg) BP than control (-11.8 and -2.6 mmHg, respectively) from baseline to 6 months (p < .05). At 6 months, 43% of intervention participants compared to 21% of controls achieved a HTN stage <130/80 mmHg (p < .001). The 10-year CVD risk reduction was two times greater for the intervention group than the control group based on the Framingham Risk Score calculator. All improvements for intervention participants were maintained at 12 months. CONCLUSIONS: This trial represents one of the few rigorously conducted examinations of an Indigenous practice leveraged for health promotion, with implications for other ethnic populations.
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Enfermedades Cardiovasculares , Hipertensión , Presión Sanguínea , Enfermedades Cardiovasculares/prevención & control , Hawaii , Humanos , Hipertensión/prevención & control , Nativos de Hawái y Otras Islas del PacíficoRESUMEN
BACKGROUND AND OBJECTIVES: E-cigarette use among young people is highly prevalent. Individuals exposed to adverse childhood experiences such as childhood maltreatment (CM) may be at particular risk, as CM has been linked to nicotine dependence. Studies testing the association between CM and e-cigarette use are lacking, including research that examines pathways linking CM to e-cigarette use. METHODS: Using a community sample of young adults (N = 208; ages 18-21), we examined the relationship between CM and e-cigarette use and explored the potential role of impulsivity in linking CM to e-cigarette use via a series of structural equation models controlling for demographic characteristics. RESULTS: CM was significantly associated with lifetime e-cigarette use. Furthermore, CM was associated with negative urgency (NU), whereas NU and sensation seeking were significantly related to lifetime e-cigarette use. NU fully mediated the relationship between CM and lifetime e-cigarette use. CONCLUSIONS AND SCIENTIFIC SIGNIFICANCE: Our results suggest that young adults with a history of CM might be vulnerable to e-cigarette use and that NU played a significant role in linking CM to lifetime e-cigarette use. Addressing NU in young adults with a history of CM might be a useful avenue for preventing e-cigarette use in this population. (Am J Addict 2019;28:303-310).
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Experiencias Adversas de la Infancia , Maltrato a los Niños/psicología , Conducta Impulsiva , Vapeo/psicología , Adolescente , Niño , Estudios Transversales , Femenino , Encuestas Epidemiológicas , Humanos , Masculino , Mid-Atlantic Region/epidemiología , Prevalencia , Pruebas Psicológicas , Factores de Riesgo , Autoinforme , Vapeo/epidemiología , Adulto JovenRESUMEN
There is minimal evidence from epidemiological studies on how e-cigarette use is related to health indices in adolescence. We hypothesized that e-cigarette use would be associated with asthma, controlling for demographics and cigarette smoking. The hypothesis was tested with cross-sectional data from a statewide sample of school students. Surveys were administered in classrooms in 2015 to adolescents in 33 high schools throughout the State of Hawaii. The sample (N=6089) was 50% female and mean age was 15.8years. Data were obtained on demographics; ever use and current (past 30days) use of e-cigarettes, combustible cigarettes, and marijuana; ever being diagnosed with asthma; and currently having asthma. Multinomial regression examined the association between e-cigarette use and asthma controlling for cigarette smoking, marijuana use, and six demographic covariates. Current e-cigarette use was associated with currently having (vs. never having) asthma (adjusted odds ratio [aOR]=1.48, CI 1.26-1.74) and with previously having (vs. never having) asthma (aOR=1.22, CI 1.07-1.40). This was independent of cigarette smoking, marijuana use, and other covariates. Smoking and marijuana were nonsignificant in the multivariate analysis. Blacks, Native Hawaiians, other Pacific Islanders, and Filipinos had higher rates of asthma compared with Asian Americans and Caucasians. We conclude that e-cigarette use by adolescents is independently associated with asthma. This finding is consistent with recent laboratory research on pulmonary effects from e-cigarette vapor. Implications for public health should be considered.
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Asma/etnología , Sistemas Electrónicos de Liberación de Nicotina/estadística & datos numéricos , Fumar/etnología , Estudiantes/estadística & datos numéricos , Adolescente , Conducta del Adolescente/etnología , Estudios Transversales , Femenino , Hawaii , Humanos , Masculino , Factores de Riesgo , Instituciones Académicas , Encuestas y CuestionariosRESUMEN
OBJECTIVE: Use of electronic cigarettes (e-cigarettes) is prevalent among adolescents, but there is little knowledge about the consequences of their use. We examined, longitudinally, how e-cigarette use among adolescents is related to subsequent smoking behaviour. METHODS: Longitudinal school-based survey with a baseline sample of 2338 students (9th and 10th graders, mean age 14.7â years) in Hawaii surveyed in 2013 (time 1, T1) and followed up 1â year later (time 2, T2). We assessed e-cigarette use, tobacco cigarette use, and psychosocial covariates (demographics, parental support and monitoring, and sensation seeking and rebelliousness). Regression analyses including the covariates tested whether e-cigarette use was related to the onset of smoking among youth who had never smoked cigarettes, and to change in smoking frequency among youth who had previously smoked cigarettes. RESULTS: Among T1 never-smokers, those who had used e-cigarettes at T1 were more likely to have smoked cigarettes at T2; for a complete-case analysis, adjusted OR=2.87, 95% CI 2.03 to 4.05, p<0.0001. Among ever-smokers at T1, using e-cigarettes was not related to significant change in their frequency of smoking at T2. Uptake of e-cigarette use among T1 never-users of either product was predicted by age, Caucasian or Native Hawaiian (vs Asian-American) ethnicity, lower parental education and parental support, higher rebelliousness, and perception of e-cigarettes as healthier. CONCLUSIONS: Adolescents who use e-cigarettes are more likely to start smoking cigarettes. This result together with other findings suggests that policies restricting adolescents' access to e-cigarettes may have a rationale from a public health standpoint.
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Fumar Cigarrillos/epidemiología , Sistemas Electrónicos de Liberación de Nicotina/estadística & datos numéricos , Fumar/epidemiología , Estudiantes/estadística & datos numéricos , Adolescente , Conducta del Adolescente , Femenino , Estudios de Seguimiento , Hawaii/epidemiología , Humanos , Estudios Longitudinales , Masculino , Prevalencia , Factores de Riesgo , Instituciones Académicas , Encuestas y Cuestionarios , Productos de Tabaco/estadística & datos numéricosRESUMEN
BACKGROUND: As a major risk factor for cardiovascular and cerebrovascular disease (CVD), hypertension affects 33% of U.S. adults. Relative to other US races and ethnicities, Native Hawaiians have a high prevalence of hypertension and are 3 to 4 times more likely to have CVD. Effective, culturally-relevant interventions are needed to address CVD risk in this population. Investigators of the Ka-HOLO Project developed a study design to test the efficacy of an intervention that uses hula, a traditional Hawaiian dance, to increase physical activity and reduce CVD risk. METHODS: A 2-arm randomized controlled trial with a wait-list control design will be implemented to test a 6-month intervention based on hula to manage blood pressure and reduce CVD risk in 250 adult Native Hawaiians with diagnosed hypertension. Half of the sample will be randomized to each arm, stratified across multiple study sites. Primary outcomes are reduction in systolic blood pressure and improvement in CVD risk as measured by the Framingham Risk Score. Other psychosocial and sociocultural measures will be included to determine mediators of intervention effects on primary outcomes. Assessments will be conducted at baseline, 3 months, and 6 months for all participants, and at 12 months for intervention participants only. DISCUSSION: This trial will elucidate the efficacy of a novel hypertension management program designed to reduce CVD risk in an indigenous population by using a cultural dance form as its physical activity component. The results of this culturally-based intervention will have implications for other indigenous populations globally and will offer a sustainable, culturally-relevant means of addressing CVD disparities. TRIAL REGISTRATION: ClinicalTrials.gov: NCT02620709 , registration date November 23, 2015.
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Características Culturales , Baile , Hipertensión/etnología , Hipertensión/prevención & control , Nativos de Hawái y Otras Islas del Pacífico , Adulto , Enfermedades Cardiovasculares/etnología , Enfermedades Cardiovasculares/prevención & control , Protocolos Clínicos , Femenino , Hawaii , Disparidades en el Estado de Salud , Humanos , Masculino , Evaluación de Programas y Proyectos de Salud , Factores de RiesgoRESUMEN
This study modelled associations between gender, ruminative cognitive style, alcohol use, and the time course of negative affect over the course of 43,111 random assessments in the natural environment. Participants (N = 263) completed 49 days of experience sampling over 1.3 years. The data indicated that rumination at baseline was positively associated with alcohol dependence symptoms at baseline as well as higher negative affect over the course of the study. Consistent with negative reinforcement models, drinking served to decrease the persistence of negative affect from moment to moment. However, this ameliorative effect of drinking was evident only among women, suggesting an increased risk for negative reinforcement driven drinking behaviour. In addition, rumination appeared to counteract the desired effects of alcohol on mood among women. This suggests that women who ruminate more may be motivated to consume larger amounts of alcohol to achieve the desired effects. Overall, the results indicate that ruminative cognitive style and the persistence of negative affect from moment to moment may reflect an individual vulnerability for the development of alcohol use disorder especially among women.
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Afecto/efectos de los fármacos , Consumo de Bebidas Alcohólicas/psicología , Alcoholismo/psicología , Rumiación Cognitiva/fisiología , Adolescente , Adulto , Afecto/fisiología , Consumo de Bebidas Alcohólicas/fisiopatología , Alcoholismo/fisiopatología , Femenino , Humanos , Masculino , Refuerzo en Psicología , Rumiación Cognitiva/efectos de los fármacos , Factores Sexuales , Adulto JovenRESUMEN
OBJECTIVE: There is little evidence on the consequences of using electronic cigarettes (e-cigarette) in adolescence. With a multiethnic sample of non-smokers, we assessed the relation between e-cigarette use and social-cognitive factors that predict smoking of combustible cigarettes. METHODS: School-based cross-sectional survey of 2309 high school students (mean age 14.7â years). Participants reported on e-cigarette use and cigarette use; on smoking-related cognitions (smoking expectancies, prototypes of smokers) and peer smoker affiliations; and on willingness to smoke cigarettes. Regression analyses conducted for non-cigarette smokers tested the association between e-cigarette use and willingness to smoke cigarettes, controlling for demographics, parenting, academic and social competence, and personality variables. Structural equation modelling (SEM) analysis tested whether the relation between e-cigarette use and willingness to smoke was mediated through any of the three smoking-related variables. RESULTS: Non-smokers who had used e-cigarettes (18% of the total sample) showed more willingness to smoke cigarettes compared with those who had never used any tobacco product; the adjusted OR was 2.35 (95% CI 1.73 to 3.19). SEM showed that the relation between e-cigarette use and willingness to smoke was partly mediated through more positive expectancies about smoking, but there was also a direct path from e-cigarette use to willingness. CONCLUSIONS: Among adolescent non-smokers, e-cigarette use is associated with willingness to smoke, a predictor of future cigarette smoking. The results suggest that use of e-cigarettes by adolescents is not without attitudinal risk for cigarette smoking. These findings have implications for formulation of policy about access to e-cigarettes by adolescents.
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Conducta del Adolescente , Sistemas Electrónicos de Liberación de Nicotina/psicología , Fumar/psicología , Vapeo , Adolescente , Factores de Edad , Distribución de Chi-Cuadrado , Cognición , Estudios Transversales , Sistemas Electrónicos de Liberación de Nicotina/efectos adversos , Femenino , Conductas Relacionadas con la Salud , Conocimientos, Actitudes y Práctica en Salud , Humanos , Modelos Lineales , Modelos Logísticos , Masculino , Oportunidad Relativa , Influencia de los Compañeros , Factores de Riesgo , Fumar/efectos adversos , Conducta Social , Encuestas y Cuestionarios , Vapeo/efectos adversosRESUMEN
OBJECTIVE: E-cigarette use has been linked to onset of cigarette smoking among adolescents, but some commentators have suggested that this simply reflects high-risk adolescents being more likely to use e-cigarettes and to smoke. We tested whether the effect of e-cigarette use for smoking onset differs for youth who are lower versus higher on propensity to smoke. METHODS: School-based survey with a longitudinal sample of 1136 students (9th-11th graders, mean age 14.7â years) in Hawaii, initially surveyed in 2013 (T1) and followed up 1â year later (T2). We assessed e-cigarette use, propensity to smoke based on 3 psychosocial factors known to predict smoking (rebelliousness, parental support and willingness to smoke), and cigarette smoking status. Analyses based on T1 never-smokers tested the relation of T1 e-cigarette use to T2 smoking status for participants lower versus higher on T1 propensity to smoke. RESULTS: The relation between T1 e-cigarette use and T2 smoking onset was stronger among participants with lower levels of rebelliousness and willingness and higher levels of parental support. A multiple logistic regression analysis with T2 smoking as the criterion tested the cross-product of T1 e-cigarette use and T1 smoking propensity score; the interaction (OR=0.88, p=0.01) indicated a significantly larger effect for smoking onset among lower risk youth. CONCLUSIONS: The results indicate e-cigarette use is a risk factor for smoking onset, not just a marker of high risk for smoking. This study provides evidence that e-cigarettes are recruiting lower risk adolescents to smoking, which has public health implications.
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Conducta del Adolescente , Sistemas Electrónicos de Liberación de Nicotina , Fumar , Adolescente , Femenino , Humanos , Masculino , Riesgo , Instituciones Académicas , Estudiantes , Encuestas y Cuestionarios , Productos de TabacoRESUMEN
This study tested within-person associations between intoxication, negative affect, and self-control demands and two forms of self-control failure, interpersonal conflict, and neglecting responsibilities. Effortful control was hypothesised to act as a buffer, reducing individual susceptibility to these within-person effects. In contrast, reactivity was hypothesised to potentiate the within-person associations. 274 young adults aged 18-27 (56% women, 93% white) completed experience sampling assessments for up to 49 days over the course of 1.3 years. Results indicated independent within-person effects of intoxication, negative affect, and self-control demands on the outcomes. Hypothesised moderating effects of reactivity were not supported. Effortful control did not moderate the effects of self-control demands as expected. However, effortful control exhibited a protective effect when individuals were intoxicated or upset to reduce the likelihood of maladaptive behavioural outcomes.
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Motives may be an important influence for substance use among youth. The goal of this research was to study the relation of social, self-enhancement, boredom relief and affect regulation motives to smoking and drinking in a sample of Eastern European high school students and to examine variation in the effects of these motives by gender. Our sample involved 500 students (ages 14-20 years) from three high schools in a large city in Hungary. Multiple logistic regression analyses examined the relation between motives and substance user status. Social motives were significantly related to both smoking and drinking (except for boys' smoking). Affect regulation motives were a significant predictor of smoking; in addition, boredom relief was a significant motive for smoking among boys. Mother's educational level was inversely related to youth substance use, whereas father's education was positively related to alcohol use among girls. School-based prevention programs should include cognitive education and social skills training to counter perceived benefits of substance use. Further research is needed to clarify the relation of alcohol use to parental education.
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Consumo de Bebidas Alcohólicas/psicología , Motivación , Fumar/psicología , Estudiantes/psicología , Adolescente , Conducta del Adolescente/psicología , Factores de Edad , Tedio , Femenino , Humanos , Hungría , Masculino , Factores Sexuales , Medio Social , Factores Socioeconómicos , Adulto JovenRESUMEN
INTRODUCTION: There has been an increasing amount of research on the consequences of e-cigarette use for respiratory outcomes, which is significant for public health and respiratory medicine. We discuss recent findings and lay out implications for prevention and treatment. AREAS COVERED: Based on literature searches using several databases (PubMed, Web of Science, Google Scholar) for keywords, including synonyms, 'e-cigarettes,' with 'pulmonary function,' 'oxidative stress,' and 'inflammation,' we review studies on acute effects of e-cigarette use for measures of pulmonary function and discuss selected laboratory studies on mechanisms of effect, focusing on processes with known relation to respiratory disease; oxidative stress and inflammation. We discuss available studies that have tested the effectiveness of communication strategies for prevention of e-cigarette use oriented to different audiences, including nonsmoking adolescents and adult smokers. EXPERT OPINION: We conclude that the evidence presents a mixed picture. Evidence is found for adverse consequences of e-cigarette use on measures of lung function and two disease-related biological processes, sometimes but not always less than for cigarette smoking. How to best communicate these results to a complex audience of users, from younger susceptible adolescents to long-term adult smokers interested in quitting, is a question of significant interest and empirically validated communication strategies are greatly needed.
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This study examined the e-cigarette and vaping resistance strategies used by Native Hawaiian and Pacific Islander (NHPI) youths in rural Hawai'i. Focus groups (N = 17) were conducted in eight geographically dispersed elementary, middle/intermediate, and multilevel schools in low-income communities on Hawai'i Island. Sixty-nine youths (67% NHPI, Mage = 12.5 years) participated in this study. The resistance strategies discussed across the greatest number of groups were "refuse" (saying no), "explain" (providing reasons for vaping refusal), "avoid" (avoiding people or places where e-cigarettes were used), and "leave" (walking away from a situation where e-cigarettes were being used). Participants described the challenges in using these strategies within contexts characterized by widespread peer and family vaping and strong social demands to use e-cigarettes. The findings suggest the need for multi-level interventions based on youths' resistance strategies to meaningfully reduce youth vaping use in rural and/or NHPI communities.
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Grupos Focales , Nativos de Hawái y Otras Islas del Pacífico , Vapeo , Humanos , Adolescente , Nativos de Hawái y Otras Islas del Pacífico/estadística & datos numéricos , Nativos de Hawái y Otras Islas del Pacífico/psicología , Vapeo/etnología , Hawaii , Masculino , Femenino , Niño , Sistemas Electrónicos de Liberación de Nicotina/estadística & datos numéricos , Población Rural/estadística & datos numéricos , Pueblos Isleños del PacíficoRESUMEN
Spirituality has long been integrated into treatments for addiction. However, how spirituality differs from other related constructs and implications for recovery among nonspiritual persons remains a source of discussion. This article examines ways in which spirituality is delineated, identifies variables that might mediate the relations between spirituality and recovery from substance abuse disorders, describes distinctions between spiritual and nonspiritual facets of addictions treatment, and suggests means to assist in further clarification of this construct.
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Adaptación Psicológica , Conducta Adictiva/terapia , Apoyo Social , Espiritualidad , Trastornos Relacionados con Sustancias/terapia , Conducta Adictiva/psicología , Humanos , Centros de Tratamiento de Abuso de Sustancias , Trastornos Relacionados con Sustancias/psicologíaRESUMEN
Knowledge about the respiratory health consequences of adolescents' use of tobacco products with cannabis remains limited. We studied whether e-cigarettes, combustible cigarettes, and cannabis were independently associated with asthma in a population-based sample of 150,634 public high school students (10th and 12th graders), drawn in a two-stage design to be representative of the state of California in 2019-2020. Measures were obtained for use of e-cigarettes, combustible cigarettes, and cannabis; motives for use (three substances); method of use (for cannabis); ever being diagnosed with asthma; and having an asthma attack in past 12 months. Cross-classification indicated Nonuse for 64% of the sample; 15% Dual E-cigarette/Cannabis Use; 10% Exclusive Cannabis Use; 5% Exclusive E-cigarette Use; and 5% Triple Use. Multinomial logistic regression with a three-level criterion variable, controlling for age, sex, parental education, race/ethnicity, and three types of household use showed that compared with Nonuse, odds of Lifetime Asthma (vs. Never Had) was elevated for Triple Use (AOR = 1.14, CI 1.06-1.24), Dual E-cigarette/Cannabis Use (1.17, 1.12-1.23), Exclusive Cannabis Use (1.17, 1.11-1.23), and Exclusive E-cigarette Use (1.10, 1.02-1.18). Similar results were noted for Recent Asthma. Among persons who had used cannabis, 88% of the Triple group and 74% of the Dual E-cigarette/Cannabis group reported both smoking and vaping cannabis. Thus, co-occurrence of e-cigarette and cannabis use was a common pattern among adolescents in this study, and subgroups of cannabis and e-cigarette use showed similar associations with asthma. Preventive approaches should highlight the health implications of exclusive or combined e-cigarette and cannabis use.
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Asma , Cannabis , Sistemas Electrónicos de Liberación de Nicotina , Productos de Tabaco , Humanos , Adolescente , Asma/epidemiología , California/epidemiologíaRESUMEN
OBJECTIVE: The prevalence of asthma and chronic obstructive pulmonary disorder (COPD) is elevated for Native Hawaiians but the basis for this differential is not well understood. We analyze data on asthma and COPD in two samples including Native Hawaiians Pacific Islanders, and Filipinos to determine how ethnicity is related to respiratory disease outcomes. METHODS: We analyzed the 2016 and 2018 Behavioral Risk Factor Surveillance Survey (BRFSS), a telephone survey of participants ages 18 and over in the State of Hawaii. Criterion variables were a diagnosis of asthma or COPD by a health professional. Structural equation modeling tested how five hypothesized risk factors (cigarette smoking, e-cigarette use, second-hand smoke exposure, obesity, and financial stress) mediated the ethnic differential in the likelihood of disease. Age, sex, and education were included as covariates. RESULTS: Structural modeling with 2016 data showed that Native Hawaiian ethnicity was related to higher levels of the five risk factors and each risk factor was related to a higher likelihood of respiratory disease. Indirect effects were statistically significant in almost all cases, with direct effects to asthma and COPD also observed. Mediation effects through comparable pathways were also noted for Pacific Islanders and Filipinos. These findings were replicated with data from the 2018 survey. CONCLUSIONS: Native Hawaiian and Pacific Islander ethnicity is associated with greater exposure to five risk factors and this accounts in part for the ethnic differential in respiratory disease outcomes. The results support a social-ecological model of health disparities in this population. Implications of the findings for preventive interventions are discussed.