Association of Attention-Deficit/Hyperactivity Disorder With E-Cigarette Use.

E-cigarette use in young people has emerged as a public health concern in the U.S. Previous studies have shown that individuals with attention-deficit/hyperactivity disorder are more likely to use conventional cigarettes. However, little is known about their use of E-cigarettes. This study examines the association of attention-deficit/hyperactivity disorder with E-cigarette and other tobacco product use among undergraduate and graduate students in the U.S. This study included data from 195,443 U.S. undergraduate and graduate students aged 18-39 years who participated in the National College Health Assessment surveys from spring 2017 to fall 2018. History of attention-deficit/hyperactivity disorder diagnosis and current use of conventional cigarettes, E-cigarettes, and other tobacco products were ascertained by questionnaires. Logistic regression models estimated the ORs and 99% CIs of use of conventional cigarettes, E-cigarettes, and other tobacco products according to attention-deficit/hyperactivity disorder history. Among the 195,443 students, 16,800 (8.35%) were current conventional cigarette users and 15,863 (7.89%) were current E-cigarette users; 16,283 (8.10%) had a history of attention-deficit/hyperactivity disorder diagnosis. After adjustment for demographics, socioeconomics, lifestyle factors, BMI, anxiety, and depression, the OR of E-cigarette use among participants with attention-deficit/hyperactivity disorder, compared with those without attention-deficit/hyperactivity disorder, was 1.72 (99% CI=1.60, 1.85), which was comparable to the magnitude of associations for other tobacco products. Among U.S. undergraduate and graduate students, there is a significant association between attention-deficit/hyperactivity disorder diagnosis and current use of E-cigarettes. Health consequences of E-cigarette use among individuals with an attention-deficit/hyperactivity disorder diagnosis warrant further investigation.

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