HealthDay News — About three-quarters of students who use electronic cigarettes report vaping nicotine, marijuana, and multiple substances, according to a study published online Dec. 16 in the American Journal of Preventive Medicine.

Hongying Dai, Ph.D., and Mohammad Siahpush, Ph.D., from the University of Nebraska Medical Center in Omaha, analyzed the 2017 Monitoring the Future survey. The authors calculated weighted estimates of substances that youth vaped and assessed risk factors associated with vaping these substances.

The researchers found that 8.0, 7.4, and 3.6 percent of the 14,560 participants reported currently vaping just flavoring, nicotine, and marijuana, respectively. Increased risk of vaping nicotine, marijuana, and just flavoring was seen for youth in the 12th and 10th grade versus eighth grade, males versus females, current versus noncurrent smokers, and for current versus noncurrent marijuana smokers. The likelihood of reporting current vaping was lower for black non-Hispanics versus white non-Hispanics. Of the 1,685 students that reporting e-cigarette use in the past 30 days, 24.9 and 75.1 percent reported vaping flavoring only and vaping nicotine, marijuana, and multiple substances, respectively. Higher grade or increasing cigarette smoking intensity was associated with a higher proportion of students reporting vaping nicotine only and a lower proportion of students reporting vaping flavoring only.

“Continuous surveillance of youth behaviors and strategies and interventions to reduce youth e-cigarette use are needed,” the authors write.


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