{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T11:59:10Z","timestamp":1790855950769,"version":"4.1.0"},"reference-count":39,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2023,7,19]],"date-time":"2023-07-19T00:00:00Z","timestamp":1689724800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,1,22]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Introduction<\/jats:title>\n                  <jats:p>The increasing use of e-cigarettes among the youth is a public health problem that needs surveillance. We report changes in e-cigarette use, cigarette smoking, and \u201cdual use\u201d among youth in 10 countries.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Aims and Methods<\/jats:title>\n                  <jats:p>Global Youth Tobacco Survey (GYTS)s from Georgia, Iraq, Italy, Latvia, Montenegro, Paraguay, Peru, Qatar, Romania, and San Marino were analyzed. Changes in prevalence of \u201cawareness of e-cigarettes,\u201d \u201cever use\u201d (even tried a few puffs) and \u201ccurrent use\u201d (during last 30 days) of e-cigarettes and cigarette smoking, and \u201cdual use\u201d (both e-cigarette and cigarette smoking) between baseline (2013 and 2014) and most recent (2017\u20132019) surveys were estimated.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>\u201cAwareness of e-cigarettes\u201d and \u201cever e-cigarette use\u201d significantly increased (p\u2005&amp;lt;\u2005.001). \u201cEver e-cigarette use\u201d was highest in Italy, 93% (95% CI 90.9, 94.4). \u201cCurrent e-cigarette use\u201d significantly (p\u2005&amp;lt;\u2005.05) increased by\u2005&amp;gt;\u200550% in most countries. During the most recent surveys, \u201ccurrent e-cigarette\u201d use was\u2005&amp;gt;\u200510% in five countries Italy (18.3%) and Latvia (18.5%) being the highest. Cigarette smoking significantly declined in Italy, Latvia, Peru, and San Marino (p\u2005&amp;lt;\u2005.05) but remains unchanged in other countries. \u201cDual use\u201d (both electronic and conventional cigarettes) significantly increased in all countries (p\u2005&amp;lt;\u2005.001). During the most recent surveys \u201cdual use\u201d was highest in Italy (10%, 95% CI 8.1, 12.2) and Latvia (8.6%, 95% CI 7.2, 10.2). Youth aged 14 and\u2005\u226515 years the smokers, were more likely to be e-cigarette users.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Awareness and use of e-cigarettes and \u201cdual use\u201d among youth have increased. Closer monitoring of tobacco use among youths and comprehensive tobacco control policies inclusive of e-cigarettes are needed.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Implications<\/jats:title>\n                  <jats:p>Secondary data analyses of serial GYTSs in 10 countries showed that both awareness of e-cigarette and e-cigarette use has increased among school-going youth aged 13\u201315 years. A concurrent increase in \u201cdual use\u201d of e-cigarettes and cigarette smoking during the last 30 days in all 10 countries indicates continued cigarette smoking in the absence of e-cigarettes because of the common risk construct of tobacco product use. Results call for continued surveillance of both e-cigarettes and cigarette smoking among school-going youth. Comprehensive tobacco control measures inclusive of e-cigarettes should be implemented to reduce tobacco use among the youth.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ntr\/ntad124","type":"journal-article","created":{"date-parts":[[2023,7,19]],"date-time":"2023-07-19T11:28:19Z","timestamp":1689766099000},"page":"142-150","source":"Crossref","is-referenced-by-count":29,"title":["Changes in E-cigarette Use, Cigarette Smoking, and Dual-Use Among the Youth (13\u201315 Years) in 10 Countries (2013\u20132019)\u2014Analyses of Global Youth Tobacco Surveys"],"prefix":"10.1093","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5693-7631","authenticated-orcid":false,"given":"Chandrashekhar T","family":"Sreeramareddy","sequence":"first","affiliation":[{"name":"Department of Community Medicine, International Medical University , Kuala Lumpur , 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