Prevalence and correlates of e-cigarette source and use of e-cigarettes with nicotine: A case study of Mexico, where e-cigarettes are banned
Abstract
Background Low- and middle-income countries have increasingly banned e-cigarettes, as in Mexico. In these countries, little is known about where adults obtain e-cigarettes or who uses e-cigarettes with nicotine. Methods Data were analyzed from eight online surveys of Mexican adults who both smoked and used e-cigarettes (November 2018-March 2021; n=2,060). For the e-cigarette they used most often, participants reported how they acquired it (social sources=reference; online purchase; vape shop purchase; other retail purchase) and if it contained nicotine (no=reference group; yes; don’t know). Multinomial models regressed each of these outcomes on smoking- and e-cigarette-related factors, as well as sociodemographics. Results Almost half the sample (45.9%) reported obtaining their e-cigarettes from social sources, with online purchase being the second most common source (28.7%). Being male, having recently attempted to quit smoking, and more frequent e-cigarette use were positively associated with purchasing e-cigarettes (vs social sources) across all venues. Most reported that their e-cigarettes contained nicotine (58.2%), a third reported using e-cigarettes without nicotine (35.9%), and some did not know (5.8%). More frequent smoking and e-cigarette use, using closed e-cigarette devices and purchasing e-cigarettes online were positively associated with using e-cigarettes with nicotine. Conclusions Despite Mexico’s e-cigarette ban, adults who smoke access e-cigarettes through…
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