{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T16:14:21Z","timestamp":1790007261543,"version":"4.0.1"},"reference-count":20,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2025,2,22]],"date-time":"2025-02-22T00:00:00Z","timestamp":1740182400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"name":"NIDA and FDA Center for Tobacco Products","award":["U54DA036105"],"award-info":[{"award-number":["U54DA036105"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,7,22]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Introduction<\/jats:title>\n                  <jats:p>E-cigarette use behaviors and device and liquid characteristics have addiction, cessation, and health implications. E-cigarettes may exacerbate or reduce existing tobacco and nicotine product disparities by sexual and gender identity. We examine e-cigarette device and liquid characteristics and tobacco and nicotine product use by sexual and gender identity.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Aims and Methods<\/jats:title>\n                  <jats:p>Data are from the VAPER study (wave 5: Feb\u2013Apr 2023), an online cohort of US adults (\u226521 years) using e-cigarettes \u22655 days per week. Participants (n\u2005=\u20051186) reported on tobacco and nicotine product use and submitted photos of their most used e-cigarette device and liquid. Rao-Scott Chi-square tests with Bonferroni corrections were used to cross-sectionally assess differences in tobacco and nicotine product use behaviors and e-cigarette device and liquid characteristics by sexual and gender identity.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>A greater percentage of bisexual women versus heterosexual and gay men used disposable devices (54% vs 31% and 19%) and nicotine concentrations \u226520 mg\/mL (77% vs 59% and 34%). A higher proportion of heterosexual women than men used disposable devices (42% vs 31%). A greater percentage of bisexual (20%) than heterosexual (9%) women never smoked cigarettes (p\u2005&amp;lt;\u2005.05). A higher proportion of heterosexual (9.4%) and bisexual (16.4%) men versus heterosexual women (3%) used nicotine pouches (p\u2005&amp;lt;\u2005.05).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>E-cigarette characteristics that have implications for addiction, health, and cessation, and tobacco and nicotine product use behaviors vary by sexual and gender identity. Targeted interventions may be needed to alleviate and prevent health disparities. Agencies must consider potential variations in regulatory impacts by sexual and gender identity.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Implications<\/jats:title>\n                  <jats:p>This study of adults frequently using e-cigarettes highlights differences in e-cigarette device and liquid characteristics and tobacco and nicotine product use by sexual and gender identity. For example, a greater percentage of bisexual and heterosexual women than heterosexual men used disposable e-cigarette devices. Given the variation in how e-cigarettes and other tobacco and nicotine products are used, researchers and regulators must consider how health outcomes, cessation behaviors, and responses to interventions or regulatory actions associated with e-cigarette use may vary by sexual and gender identity.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ntr\/ntaf011","type":"journal-article","created":{"date-parts":[[2025,2,22]],"date-time":"2025-02-22T12:42:21Z","timestamp":1740228141000},"page":"1473-1478","source":"Crossref","is-referenced-by-count":1,"title":["Differences in E-Cigarette Use Behaviors and Device and Liquid Characteristics of U.S. Adults by Sexual and Gender Identity"],"prefix":"10.1093","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5462-5976","authenticated-orcid":false,"given":"Elizabeth","family":"Crespi","sequence":"first","affiliation":[{"name":"Johns Hopkins Bloomberg School of Public Health, Department of Health, Behavior, and Society, 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