The Stanford study did not analyze a possible connection between Covid-19 diagnosis and use of conventional cigarettes for study participants. This may be because most nicotine-using youth either use e-cigs only or both e-cigs and traditional cigarettes, according...
Multivariable linear regressions examined device characteristics (e.g., adjustable power, nicotine concentration) and device type (e.g., vape pen, mod, pod, modern disposable) as predictors of dependence controlling for demographics and user behaviors (e.g., ECIG use duration and frequency, other...