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Data from 1583 U.S. adult (age \u2265 21 years) current tobacco users were collected in 2021. Respondents self-reported NP awareness, beliefs, use, and susceptibility as well as current tobacco product use and socio-demographics. We used weighted logistic and multinomial regression models to explore the associations between these variables. Overall, 46.6% of U.S. adult current tobacco users were aware of, 16.4% had ever used, and 3.0% currently used NPs. Younger individuals (vs. 61+ years) were more likely to have ever heard of NPs, while Black individuals (vs. White) were less likely to have ever heard of NPs. Individuals younger than 45 years (vs. 61+ years) and those using smokeless tobacco products (vs. non-users) were more likely to have ever used NPs. Additionally, younger than 45 years (vs. 61+ years) and current use of certain tobacco products (e.g., smokeless) were associated with current NP use. Holding favorable beliefs about NPs was associated with susceptibility to and more advanced NP use statuses (p &lt; 0.05). Continuous surveillance of NP use and beliefs is important.<\/jats:p>","DOI":"10.3390\/ijerph20032050","type":"journal-article","created":{"date-parts":[[2023,1,23]],"date-time":"2023-01-23T02:27:45Z","timestamp":1674440865000},"page":"2050","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Nicotine Pouch: Awareness, Beliefs, Use, and Susceptibility among Current Tobacco Users in the United States, 2021"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3230-7886","authenticated-orcid":false,"given":"Lindsey S.","family":"Sparrock","sequence":"first","affiliation":[{"name":"Department of Neuroscience, American University, Washington, DC 20016, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lilianna","family":"Phan","sequence":"additional","affiliation":[{"name":"Division of Intramural Research, National Institute on Minority Health and Health Disparities, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1797-5248","authenticated-orcid":false,"given":"Julia","family":"Chen-Sankey","sequence":"additional","affiliation":[{"name":"Center for Tobacco Studies, Rutgers Biomedical and Health Sciences, New Brunswick, NJ 08901, USA"},{"name":"School of Public Health, Rutgers Biomedical and Health Sciences, Piscataway, NJ 08854, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kiana","family":"Hacker","sequence":"additional","affiliation":[{"name":"Division of Intramural Research, National Institute on Minority Health and Health Disparities, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aniruddh","family":"Ajith","sequence":"additional","affiliation":[{"name":"University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bambi","family":"Jewett","sequence":"additional","affiliation":[{"name":"Division of Intramural Research, National Institute on Minority Health and Health Disparities, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6753-2883","authenticated-orcid":false,"given":"Kelvin","family":"Choi","sequence":"additional","affiliation":[{"name":"Division of Intramural Research, National Institute on Minority Health and Health Disparities, Bethesda, MD 20892, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,1,22]]},"reference":[{"key":"ref_1","first-page":"e145","article-title":"Tobacco companies introduce \u2018tobacco-free\u2019 nicotine pouches","volume":"29","author":"Robichaud","year":"2020","journal-title":"Tob. 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