E-cigarette Unit Sales by Product and Flavor Type, and Top-Selling Brands, United States, 2020-2022.

E-cigarette products, related policies, and use patterns change rapidly. In the United States, the prevalence of e-cigarette use is markedly higher among youths and young adults than it is among adults overall. In 2021, 4.

Evaluation of statewide restrictions on e-cigarette nicotine strength-United States, 2017-2022.

Aims: To evaluate statewide policies restricting e-cigarette nicotine strength.

Design: A difference-in-difference regression analysis was used to compare e-cigarette sales in states that restrict nicotine strength with states with no restrictions. Because flavor restrictions might affect sales and nicotine strength, states with flavor restrictions were also assessed.

Trends in US E-cigarette Sales and Prices by Nicotine Strength, Overall and by Product and Flavor Type, 2017-2022.

Introduction: The e-cigarette market has expanded considerably in recent years, resulting in changes in availability and use of e-cigarettes with varying characteristics.

Aims And Methods: This study assessed trends in sales and prices of e-cigarettes by nicotine strength level, including by product type and flavor, during January 2017-March 2022. US e-cigarette retail sales data were licensed from IRI company.