This is how the NIH's National Institute of Drug Abuse presents the "findings come from the 2018 Monitoring the Future (MTF) survey of a nationally representative sample of eighth, 10th and 12th graders in schools nationwide, funded by a government grant to the University of Michigan, Ann Arbor":
"America’s teens report a dramatic increase in their use of vaping devices in just a single year, with 37.3 percent of 12th graders reporting “any vaping” in the past 12 months, compared to just 27.8 percent in 2017."
The 37.3 percent dramatic number refers to "any vaping in the past 12 months" aggregating together the once a year 'use" with the daily use.
Interestingly, when resuming tobacco smoking, we are told the following:
"This year’s survey shows regular tobacco is still at its lowest point in the survey since it began measuring it, with only 3.6 percent of high school seniors smoking daily, compared to 22.4 percent two decades ago." How come the measure used here is daily smoking instead of "any smoking in the past 12 months"?
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