. 2022 Apr 21;47:101401. doi: 10.1016/j.eclinm.2022.101401

Table 1.

Prevalence of ever heard of and use of electronic cigarette use among adults aged ≥ 15 years in 14 countries, 2015-2018.

Country (Year)		Awareness of E-Cigarettes		Ever E-Cigarette Use		Current E-Cigarette Use
Country (Year)	n^*	Prevalence^† % (95% CI)	Population Count^‡	Prevalence^† % (95% CI)	Population Count^‡	Prevalence^† % (95% CI)	Population Count^‡
Bangladesh (2017)	12,783	6.4 (5.5—7.4)	6,830,557	0.4 (0.3–0.6)	470,283	0.2 (0.1–0.4)	250,101
China (2018)	19,376	48.5 (46.0–51.0)	561,018,970	5.0 (4.4–5.6)	57,448,409	0.9 (0.7–1.2)	10,348,404
Costa Rica (2015)	8,607	47.5 (45.6–49.4)	1,735,139	4.1 (3.5–4.9)	150,723	1.3 (1.0–1.7)	46,664
Ethiopia (2016)	10,150	4.0 (3.3-4.9)	2,724,648	0.2 (0.1-0.3)	130,607	0.1 (0.03‒0.2)	44,535
India (2016-17)	74,037	3.0 (2.8–3.3)	28,227,700	0.1 (0.07–0.13)	882,753	0.02 (0.01–0.04)	186,273
Mexico (2015)	14,664	35.3 (33.6–37.1)	30,918,551	5.0 (4.4–5.6)	4,364,056	0.6 (0.5–0.9)	560,199
Philippines (2015)	11,644	31.7 (29.7–33.8)	22,170,708	2.8 (2.3–3.3)	1,955,324	0.8 (0.6–1.0)	529,859
Romania (2018)	4,571	76.5 (74.3-78.5)	14,102,840	11.3 (10.1-12.6)	2,060,951	3.4 (2.7-4.2)	618,145
Russia (2016)	11,458	79.9 (78.2–81.4)	95,452,955	14.2 (12.9–15.7)	17,023,473	3.5 (2.9–4.2)	4,185,942
Senegal (2015)	4,347	14.1 (12.2-16.1)	1,100,981	0.5 (0.3-0.8)	35,387	0.1 (0.03‒0.4)	8,083
Turkey (2016)	8,760	–^§	–^§	2.2 (1.8–2.6)	1,309,453	1.3 (1.1–1.7)	808,763
Ukraine (2017)	8,298	50.9 (48.5–53.3)	18,363,317	6.4 (5.6–7.2)	2,290,328	1.7 (1.3–2.1)	602,136
Uruguay (2017)	4,966	45.3 (42.7-47.9)	1,251,345	3.1 (2.6-3.8)	86,415	0.2 (0.1–0.5)	6,441
Vietnam (2015)	8,996	18.6 (17.4–19.7)	12,853,466	1.1 (0.8–1.3)	727,287	0.2 (0.1–0.4)	151,550

Abbreviation: CI = confidence interval.

^⁎

Unweighted sample size.

^†

Weighted crude prevalence.

^‡

Weighted number.

^§

No data.