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The aim of this study was to examine perceptions including knowledge, attitudes, and beliefs about e-cigarettes among ethno-culturally diverse Latino adults living in the US, a rapidly growing minority group for which we know little about their e-cigarette perceptions. A total of 25 focus groups with Latinos (n = 180; ages 18–64 years) were conducted in 2014. E-cigarettes users and non-users were recruited via purposive sampling techniques. Participants completed brief questionnaires on sociodemographic factors and tobacco use. Focus group discussions were conducted in English and Spanish, audio-recorded, and transcribed. Data were analyzed using thematic analysis procedures. Participants were of diverse Latino backgrounds. Over one-third (35%) reported current cigarette smoking and 8% reported current e-cigarette or hookah use. Nonsmokers reported experimenting with e-cigarettes and hookah during social occasions. Participants' perceptions towards e-cigarettes were generally formed in comparison to conventional cigarettes. Perceived benefits of using e-cigarettes included their utility as a smoking cessation aid, higher social acceptability, and lower harm compared to conventional cigarettes. Negative perceptions of e-cigarettes included lower overall satisfaction compared to conventional cigarettes and high content of toxins. Socio-cultural factors (e.g. gender roles, familismo, and simpatía) also influenced perceptions of e-cigarette of study participants. Overall, Latino adults knew relatively little about the potential health risks associated with e-cigarette use. The limited knowledge about and misinformation of e-cigarettes among this rapidly growing minority group have important public health implications. Findings may inform culturally tailored health communication campaigns, which are much needed among underserved US Latino populations in light of low effectiveness of tobacco control and regulatory efforts. [ABSTRACT FROM AUTHOR]

Objectives. We assessed risk of cigarette smoking initiation among Hispanics/ Latinos during adolescence by migration status and gender. Methods. The Hispanic Community Health Study/Study of Latinos (HCHS/ SOL) surveyed persons aged 18 to 74 years in 2008 to 2011. Our cohort analysis (n = 2801 US-born, 13 200 n on-US-born) reconstructed participants' adolescence from 10 to 18 years of age. We assessed the association between migration status and length o f US residence and risk of cigarette smoking initiation during adolescence, along with effects o f gender and Hispanic/Latino background. Results. Among individuals who migrated by 18 years of age, median age and year of arrival were 13 years and 1980, respectively. Among women, but not men, risk o f smoking initiation during adolescence was higher among the US-born (hazard ratio [HR] = 2.10; 95% confidence interval [Cl] = 1.73, 2.57; P<.001), and those who had resided in the United States for 2 or more years (HR = 1.47; 95% Cl = 1.11, 1.96; P= .01) than among persons who lived outside the United States. Conclusions. Research examining why some adolescents begin smoking after moving to the United States could inform targeted interventions. [ABSTRACT FROM AUTHOR]