. 2021 Oct 25;32(1):126–132. doi: 10.1093/eurpub/ckab180

Table 1.

Countries or study sites from the WHO European Region with the latest available data on current use of e-cigarettes from the GYTS and the overall response rates

Countries or study sites, arranged alphabetically	Latest round of GYTS			Previous round of GYTS
Countries or study sites, arranged alphabetically	Year	Number of students-survey participants aged 11–17 years	Overall response rate, %	Year	Number of students-survey participants aged 11–17 years	Overall response rate, %
Albania	2015	4672	89.3	–^a
Bulgaria	2015	4042	86.0	–^a
Croatia	2016	3250	95.8	–^a
Georgia	2017	1345	78.7	2014	1379	75.4
Italy	2018	1680	77.4	2014	1822	77.0
Kyrgyzstan	2019	6145	88.8	–^a
Latvia	2019	4226	70.7	2014	4320	79.5
Poland	2016	5154	81.7	–^a
Romania	2017	5409	88.6	2013	4801	84.6
San Marino	2018	624	92.0	2014	638	95.7
Serbia	2017	3861	52.2	–^a
Slovakia	2016	3997	81.7	–^a
The Czech Republic	2016	3926	78.3	–^a
The Federation of Bosnia and Herzegovina	2019	5483	83.3	–^a
The Republic of Moldova	2019	4717	93.3	–^a
The Republic of North Macedonia	2016	5141	86.2	–^a
Ukraine	2017	4065	81.6	–^a

^{^a}

Questions on current e-cigarette use were not asked in the previous rounds. Hence, these study sites were not included in trend analysis.