(HealthDay News) — Nearly 13% of American adults have tried electronic cigarettes (e-cigarettes) at least once, and 3.7% currently use them, according to the 2014 National Health Interview Survey by the U.S. Centers for Disease Control and Prevention.

The popularity of e-cigarettes rose slightly among men (14.2%) and dipped among women (11.2%). But the most dramatic usage differences break along age lines, the poll of 36,697 adults found. Almost 22% of Americans between the ages of 18–24 said they had tried the battery-powered aerosol nicotine-delivery device, while usage among those ≥65 was 3.7%.

Current users also tend to be younger, with 5.1% of those 18–24 saying they now use e-cigarettes, compared with 1.4% of those ≥65. And among never-smokers, the usage was also highest among the 18–24 age group. According to the report, e-cigarette popularity is greatest among white and Native American adults, with 4.6 and 10.7%, respectively, now using them. Only 2% of blacks and Hispanics use them.

About 48% of current smokers have tried an e-cigarette and one in six currently use them. About 55% of those who stopped smoking just in the last year have tried them, and 22% said they currently use them. By contrast, only 3.2% of never-smoking adults said they’ve tried an e-cigarette, and 0.4% said they use them now. Among young (aged 18–24) never-smokers, however, 9.7% said they’ve tried one out.

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