A qualitative study on the impact of COVID-19 on the behavior and attitudes of smokers and non-smokers in South Korea

Table 1 Participants’ characteristics

Group	No.	Age	Sex	Type of tobacco products
Group 1	1	33	Male	Cigarette
	2	30	Male	Cigarette
	3	27	Male	Heated tobacco product
	4	43	Male	Heated tobacco product /Cigarette
	5	32	Male	e-cigarette/Cigarette
	6	43	Male	Heated tobacco product /Cigarette
Group 2	7	36	Female	Heated tobacco product /Cigarette
	8	44	Female	Heated tobacco product /Cigarette
	9	29	Female	Cigarette
	10	27	Female	Cigarette
	11	38	Female	e-cigarette/Cigarette
	12	33	Female	e-cigarette (CSV)
Group 3	13	33	Female	–
	14	32	Female	–
	15	47	Female	–
	16	44	Male	–
	17	29	Male	–
	18	22	Male	–
Group 4	19	19	Male	e-cigarette (CSV)
	20	19	Male	Cigarette/ e-cigarette
	21	19	Male	e-cigarette (CSV)
	22	18	Male	Heated tobacco product /Cigarette
	23	18	Male	Cigarette
	24	18	Male	Cigarette
Group 5	25	19	Female	Cigarette
	26	19	Female	Heated tobacco product /Cigarette
	27	19	Female	Cigarette
	28	19	Female	Cigarette/ Heated tobacco product
	29	19	Female	Cigarette
	30	18	Female	Cigarette
	31	19	Female	Cigarette
Group 6	32	19	Female	–
	33	19	Female	–
	34	19	Male	–
	35	17	Male	–
	36	19	Male	–

ISSN: 1471-2458