Table 3. Factors related to current HTP use.

(N = 7,000).

Factor	Adjusted Odds Ratio	95% Confidence Interval
Sex
Female	1.00
Male	1.52	1.25–1.86
Age (years)
20–34	1.00
35–49	1.03	0.82–1.30
50–69	0.49	0.38–0.64
Education
≤High school	1.00
≥University	1.77	1.40–2.23
Marital status
Never married	1.00
Married/living with a partner	1.30	1.04–1.62
Separated/widowed/divorced	0.93	0.59–1.49
Income (KRW) a
<3,000,000	1.00
3,000,000–4,999,999	1.09	0.87–1.37
5,000,000–6,999,999	1.52	1.18–1.95
≥7,000,000	1.42	1.09–1.84
Tobacco use status
CCs (−) and ECs (−)	1.00
CCs (+) and ECs (−)	17.20	13.79–21.47
CCs (−) and ECs (+)	27.84	18.46–41.99
CCs (+) and ECs (+)	87.22	66.81–113.86

Adjusted for sex, age, education, marital status, income, and tobacco use status.

aOR, adjusted odds ratio; CI, confidence interval; CCs, combustible cigarettes; ECs, electronic cigarettes; HTPs, heated tobacco products.

Values are presented as unweighted numbers (weighted percentages).

^a KRW, Korean Won (1,000 KRW = 1 USD).

(−), non-use; (+), use.