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Hawaii study suggests teen vaping leads to teen smoking


    A man smokes an electronic cigarette in Chicago.

New survey results from Hawaii high school students suggest that health officials have good reason to fear electronic cigarettes: Teenagers who said they had used the vaping devices were far more likely than their nonvaping peers to try regular cigarettes over the next year.

Among nonsmoking students who had vaped when they took an initial survey, 20 percent said they had smoked their first regular cigarette by the time they took the survey again a year later. Among nonsmokers who hadn’t used e-cigarettes when they took the first survey, 6 percent had tried regular cigarettes a year later.

“E-cigarettes had a risk-promoting effect for onset of smoking,” researchers reported Monday in the journal Tobacco Control.

The study authors, led by Thomas Wills, a cancer-prevention expert at the University of Hawaii, surveyed more than 2,000 high school students from around Oahu. In 2013 and again in 2014, the students were asked whether they had ever smoked electronic or regular cigarettes. Those who answered yes were asked whether they did so only once or twice, a handful of times, or used them monthly, weekly or daily.

To encourage honest answers, the students were assured that their survey responses would remain anonymous.

The researchers also asked students a series of questions to gauge their rebelliousness and willingness to seek out new experiences, among other psychological and demographic factors.

The results showed that 31 percent of the students had tried an e-cigarette by the time they took the first survey. Most of them were casual users at best — 21 percent of the survey-takers said they had vaped no more than four times in their lives, while 2 percent said they vaped daily and 3 percent said they vaped a few times a week.

All of these students were more likely to try regular cigarettes, compared with their classmates who had never used electronic cigarettes. It didn’t matter how much or how often they used e-cigarettes — all vapers were more susceptible to traditional smoking than their nonvaping counterparts, the study authors found.

The researchers used a statistical model to see whether a history of vaping increased the risk of smoking independent of other factors. The results showed that among students who had never smoked in 2013, the risk of at least trying a cigarette by 2014 was 5 percent for those who hadn’t vaped and 14 percent for those who had.

Three other things were associated with an increased risk of trying one’s first cigarette in the year between the surveys: age (the older the student, the greater the risk), ethnicity (whites and Native Hawaiians were more likely to initiate smoking than Asian Americans) and rebelliousness (the more defiant, the greater the risk).

The surveys also revealed that 10 percent of the students who had not used e-cigarettes by 2013 went on to try them by 2014. This risk was greater for students who had the impression that e-cigarettes were less dangerous than regular cigarettes, the researchers found.

The study authors said they found no support for the idea that electronic cigarettes helped teen smokers wean themselves from traditional cigarettes. High school vaping had no association with a decrease in cigarette smoking from 2013 to 2014, they wrote.

The results “provide support for the hypothesis that e-cigarette use may promote initiation of smoking,” the authors wrote. “These findings should be considered for policy discussions about the availability of e-cigarettes to adolescents.”

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  • People claim e-cigs are used to help smokers quit smoking. That’s a crock. Watch people using the things, and you’ll see they believe themselves to be so very cool. And, those dozens of teenagers you see every morning outside of middle and high school grounds using the e-cigs are NOT there trying to quit smoking. If they want to suck on a smoking cylindrical metal object they can suck on my car’s muffler, and they’d look just as cool.

  • If there were any truth to this study, the sale of cigarettes would not be on such a decline. The tobacco sales tax collections for 2014-15 don’t lie, cigarette smoking is down, just ask the UH cancer center where their revenue went. it’s moving to e-cigs, it won’t be long before the state imposes tobacco taxes on e-cigs too.

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