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*In summary, by imputing respondents who reported that they “don’t know” which ENDS brand they used to the non-JUUL group even if they may have used JUUL, and by relying on ‘any’ JUUL use definitions which defined as JUUL users those who “usually” used a different ENDS brand, the original analysis systematically biases against the focal brand (JUUL) being studied. (Foxon, Shiffman) | *In summary, by imputing respondents who reported that they “don’t know” which ENDS brand they used to the non-JUUL group even if they may have used JUUL, and by relying on ‘any’ JUUL use definitions which defined as JUUL users those who “usually” used a different ENDS brand, the original analysis systematically biases against the focal brand (JUUL) being studied. (Foxon, Shiffman) | ||
*In summary, the results of Mantey et al. are invalid, because they were based on a definition of JUUL use that is not justified by the brand information in the 2020 National Youth Tobacco Survey.(Rodu) | *In summary, the results of Mantey et al. are invalid, because they were based on a definition of JUUL use that is not justified by the brand information in the 2020 National Youth Tobacco Survey.(Rodu) | ||
*Referring to: Mantey DS, Case KR, Omega-Njemnobi O, Springer AE, Kelder SH. Use frequency and symptoms of nicotine dependence among adolescent E-cigarette users: Comparison of JUUL and Non-JUUL users. Drug Alcohol Depend. 2021 Nov 1;228:109078. doi | *Referring to: Mantey DS, Case KR, Omega-Njemnobi O, Springer AE, Kelder SH. Use frequency and symptoms of nicotine dependence among adolescent E-cigarette users: Comparison of JUUL and Non-JUUL users. Drug Alcohol Depend. 2021 Nov 1;228:109078. Epub 2021 Sep 24. PMID: 34614433; PMCID: PMC8595823. [https://doi.org/10.1016/j.drugalcdep.2021.109078 https://doi.org/10.1016/j.drugalcdep.2021.109078] | ||
===2014: Comments RE: [https://sci-hub.wf/10.1001/jamapediatrics.2014.733 Electronic Cigarettes and Conventional Cigarette Use Among US Adolescents]=== | ===2014: Comments RE: [https://sci-hub.wf/10.1001/jamapediatrics.2014.733 Electronic Cigarettes and Conventional Cigarette Use Among US Adolescents]=== | ||
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