Table 1.

International Tobacco Control (ITC) Japan Wave 1 Survey Sample Characteristics.

Characteristic	Unweighted Frequency (%)
	(n = 4615)
Sex
Female	1380 (29.9%)
Male	3235 (70.1%)
Age
20–29	474 (10.3%)
30–39	963 (20.9%)
40–59	1940 (42.0%)
60+	1238 (26.8%)
Income
Low	1212 (26.3%)
Moderate	1042 (22.6%)
High	1779 (38.5%)
No answer	582 (12.6%)
Education
Low	1643 (35.6%)
Moderate	839 (18.2%)
High	2082 (45.1%)
No answer	51 (1.1%)
User group
Exclusive HTP 1 users	164 (3.5%)
Exclusive cigarette smokers	3288 (71.3%)
Dual users of cigarettes and HTPs	549 (11.9%)
Non-users	614 (13.3%)

¹ Heated Tobacco Products.