CHICAGO, Dec. 3 (Xinhua) -- Despite the increase in use of e-cigarettes among adolescents, cigarette and smokeless tobacco prevalence declined more rapidly between 2012 and 2019 than in previous periods, according to a study posted on the website of the University of Michigan (UM) on Wednesday.
Utilizing data from the nationally representative Monitoring the Future survey at UM from 1991 to 2019, the researchers examined the use prevalence of tobacco products in the last 30 days among key sociodemographic groups, identifying change of trend years for U.S. secondary and high schools.