Kids pick e-cigarettes for first tobacco use, increases their odds of later cigarette smoking, new study finds

February 01, 2019 Categories: Heart News, Stroke News

Study Highlights:

  • E-cigarettes trumped traditional cigarettes and noncigarette products, such as cigars, hookahs and smokeless tobacco, when it came to first-time tobacco use among youth, according to a new study.
  • Kids whose first experience with a tobacco product was an e-cigarette were more likely to start smoking traditional cigarettes than those who had no prior tobacco use, according to a new study.
  • Researchers also found e-cigarette use increased the likelihood of cigarette smoking among kids who were typically considered low-risk for it because they normally didn’t engage in risky behaviors.

DALLAS, Feb. 1, 2019 — E-cigarettes are a popular choice for kids when first trying tobacco and using e-cigarettes as their first tobacco product increases the likelihood that young people start smoking traditional cigarettes, according to a new study published in JAMA Network Open.

Using data from the Population Assessment of Tobacco and Health Study (2013-2016), researchers identified more than 6,000 kids aged 12-15 years, who had never used cigarettes, e-cigarettes or other tobacco products. Over the course of two years, researchers checked in at midpoint and the end of the study period to assess if and how the kids had started using tobacco.

The study found:

  • 8.6 percent of the kids reported e-cigarettes as their first tobacco product;
  • 5 percent reported first using another noncigarette tobacco product (e.g. cigar, cigarillo, filtered cigar, pipe, hookah, smokeless tobacco, snus, dissolvable tobacco, bidi or kretek); and
  • 3.3 percent reported using traditional cigarettes as their first tobacco product.

On a positive note, 83.1 percent remained tobacco-free at the end of the study.

While e-cigarettes were the tobacco product of choice for first-time users in this study, they were also likely to drive more kids to start smoking traditional cigarettes:

  • At the end of the study, 20.5 percent of e-cigarette users had smoked cigarettes, compared to 3.8 percent of kids who hadn’t previously used any tobacco product prior to starting smoking.
  • E-cigarette users were four times more likely to have ever smoked cigarettes than kids who hadn’t previously used any tobacco products prior to starting smoking.

“Our results support the view that e-cigarette use increases the risk of subsequent cigarette use in youth,” said Andrew Stokes, Ph.D., one of the study authors and assistant professor in the Department of Global Health at Boston University School of Public Health. “Although our findings suggest that other tobacco products can also serve as a pathway into cigarette smoking, we found e-cigarette use to be the most consequential factor in cigarette initiation at the population level due to its higher prevalence of use.”

The association between using e-cigarettes first and later smoking cigarettes was stronger among youth considered less likely to start smoking than those with risker personalities and behaviors. Stokes said this finding has not been seen in previous studies, because low-risk youth typically have fewer risk-seeking personality traits and are less predisposition towards cigarette smoking.

“This association between e-cigarette use and subsequent cigarette use was especially pronounced in low-risk youth, raising concerns that vaping may renormalize smoking behaviors and erode decades of progress in reducing smoking rates,” he said.

The study was conducted through a collaboration of researchers from Boston University, the University of Louisville and the University of Southern California as part of the American Heart Association’s Tobacco Regulation and Addiction Center research, funded by the U.S. Food and Drug Administration and the National Institutes of Health.

As the world’s leading voluntary organization focused on heart and brain health, the American Heart Association is committed to supporting research projects such as this one is to provide data that can inform regulation of the manufacture, distribution and/or marketing of tobacco products as well as facilitate effective communications of federal regulatory policies.

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