Electronic cigarette use among adults with asthma: 2014-2017 National Health Interview Survey.

Background: Electronic cigarette (e-cigarette) use has increased dramatically in the United States among adults and adolescents. Patients with asthma may be most vulnerable to the chemical components of e-cigarettes as they may be a potential asthma trigger.

Objective: To assess the prevalence of e-cigarette use among adult asthmatics and to evaluate the factors associated with e-cigarette use.