Between 2015 and 2019, the number of adult e-cigarette users in China has increased significantly. From 2015 to 2016, the use rate of e-cigarettes among Chinese adults in the past 30 days was estimated to be 1.3%; from 2018 to 2019, the use rate of e-cigarettes among Chinese adults rose to 1.6%, an increase of 0.3%, and the number of new adult e-cigarette users was approximately 3.35 million. Among them, 3.2 million are men and 150,000 are women. Among them, the use rate of e-cigarettes among young and middle-aged adults has increased significantly, increasing by 0.7% in 4 years. The use rate of e-cigarettes among young adults aged 18-29 has increased significantly from 2.0% in 2015-16 to 2.7% in 2018-19.
Lower incomes, increased medical expenses, smoking has increased poverty.