{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T18:01:59Z","timestamp":1782842519226,"version":"3.54.5"},"reference-count":38,"publisher":"JMIR Publications Inc.","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Med Internet Res"],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Puff Bars are e-cigarettes that continued marketing flavored products by exploiting the US Food and Drug Administration exemption for disposable devices.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aimed to examine discussions related to Puff Bar on Twitter to identify tobacco regulation and policy themes as well as unanticipated outcomes of regulatory loopholes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Of 8519 original tweets related to Puff Bar collected from July 13, 2020, to August 13, 2020, a random 20% subsample (n=2661) was selected for qualitative coding of topics related to nicotine dependence and tobacco policy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Of the human-coded tweets, 2123 (80.2%) were coded as relevant to Puff Bar as the main topic. Of those tweets, 698 (32.9%) discussed tobacco policy, including flavors (n=320, 45.9%), regulations (n=124, 17.8%), purchases (n=117, 16.8%), and other products (n=110, 15.8%). Approximately 22% (n=480) of the tweets referenced dependence, including lack of access (n=273, 56.9%), appetite suppression (n=59, 12.3%), frequent use (n=47, 9.8%), and self-reported dependence (n=110, 22.9%).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study adds to the growing evidence base that the US Food and Drug Administration ban of e-cigarette flavors did not reduce interest, but rather shifted the discussion to brands utilizing a loophole that allowed flavored products to continue to be sold in disposable devices. Until comprehensive tobacco policy legislation is developed, new products or loopholes will continue to supply nicotine demand.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2196\/27894","type":"journal-article","created":{"date-parts":[[2022,2,3]],"date-time":"2022-02-03T18:13:26Z","timestamp":1643912006000},"page":"e27894","source":"Crossref","is-referenced-by-count":8,"title":["Puff Bars, Tobacco Policy Evasion, and Nicotine Dependence: Content Analysis of Tweets"],"prefix":"10.2196","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2486-8846","authenticated-orcid":false,"given":"Kar-Hai","family":"Chu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8600-6168","authenticated-orcid":false,"given":"Tina B","family":"Hershey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6576-8748","authenticated-orcid":false,"given":"Beth L","family":"Hoffman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4446-9129","authenticated-orcid":false,"given":"Riley","family":"Wolynn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2811-841X","authenticated-orcid":false,"given":"Jason B","family":"Colditz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5411-8755","authenticated-orcid":false,"given":"Jaime E","family":"Sidani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5962-0939","authenticated-orcid":false,"given":"Brian A","family":"Primack","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1010","published-online":{"date-parts":[[2022,3,25]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2019.18387"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2019.17968"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1016\/j.drugalcdep.2019.04.037"},{"key":"ref4","unstructured":"FDA finalizes enforcement policy on unauthorized flavored cartridge-based e-cigarettes that appeal to children, including fruit and mintUS Food and Drug Administration20202021-03-23https:\/\/www.fda.gov\/news-events\/press-announcements\/fda-finalizes-enforcement-policy-unauthorized-flavored-cartridge-based-e-cigarettes-appeal-children"},{"key":"ref5","unstructured":"Newly signed legislation raises federal minimum age of sale of tobacco products to 21US Food and Drug Administration20192020-11-29https:\/\/www.fda.gov\/tobacco-products\/ctp-newsroom\/newly-signed-legislation-raises-federal-minimum-age-sale-tobacco-products-21"},{"key":"ref6","unstructured":"States and localities that have restricted the sale of flavored tobacco productsCampaign for Tobacco-Free Kids2022-03-10https:\/\/www.tobaccofreekids.org\/assets\/factsheets\/0398.pdf"},{"key":"ref7","unstructured":"PUFF Krush add-on pre-filled pods - 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