Cross-Sectional Survey to Assess Tobacco and Nicotine Product Use since the Introduction of Heated Tobacco Products in Japan: Wave 2

Tobacco product usage patterns among current users by sex and age (N = 888_7)_

		Solus use				Dual use	Poly use
Sex / Age group	Total (N)	Cigarette	HTP	E-cig	OTP	Cig + HTP
	888.7	63.5%	17.9%	0.1%	0.9%	12.7%	4.8%
Sex (M/F)
Male	673.6	62.1%	17.7%	0.2%	1.2%	13.8%	5.1%
Female	215.0	68.2%	18.6%	0.0%	0.0%	9.3%	3.9%
Age group (years)
20–24	43.7	57.3%	10.1%	0.0%	0.0%	20.5%	12.1%
25–29	54.3	47.8%	20.9%	0.0%	0.0%	27.2%	4.1%
30–39	169.0	49.9%	27.2%	0.0%	0.0%	18.9%	4.0%
40–49	217.0	59.7%	23.7%	0.0%	0.2%	11.9%	4.4%
50–59	168.3	61.6%	18.8%	0.6%	1.6%	13.1%	4.3%
60–69	149.6	76.5%	9.3%	0.0%	2.8%	6.2%	5.2%
70–79	71.9	94.4%	0.0%	0.0%	0.6%	0.0%	5.0%
80+	14.8	94.2%	3.1%	0.0%	0.0%	0.0%	2.7%

A summary of relevant changes to questionnaire from Wave 1 to Wave 2, concerning tobacco use behaviour_

No.	Change description
1	The definitions of HTPs and e-cigarettes were clarified, and product names were updated.
2	A question was added to assess respective product use for the last 12 months.
3	Additional question for e-cigarette brand used was added to confirm correct categorization of used product.
4	Changes were made in the section about “Other Tobacco Products”, including an additional question on use of other tobacco products 12 months ago.
5	In the section on “Risk Perception of Different Tobacco or Nicotine-containing Products” the glo product information used as a stimulus in Wave 1 was removed.
6	Additional questions were added to assess misuse of Ploom Tech HTP, with use being distinguished between capsules and sticks.

Product-specific current use prevalence among the general population by sex and age (N = 5,307_1, multiple responses)_

	N	Cigarette	HTP	E-cig	OTP
Total	5307.1	13.4%	5.4%	0.4%	0.5%
Sex (M/F)
Male	2562.4	21.0%	8.7%	0.7%	1.0%
Female	2744.6	6.3%	2.4%	0.3%	0.1%
Age (years, in categories)
20–24	306.9	12.1%	5.6%	1.7%	0.0%
25–29	314.9	13.4%	8.5%	0.2%	0.5%
30–39	759.1	16.0%	10.5%	0.3%	0.6%
40–49	960.5	16.7%	8.6%	0.7%	0.3%
50–59	800.1	16.4%	7.2%	0.6%	0.8%
60–69	886.6	14.8%	2.7%	0.3%	1.1%
70–79	877.6	8.1%	0.0%	0.1%	0.3%
80+	401.4	3.6%	0.1%	0.0%	0.1%

Prevalence of tobacco usage behaviour by gender and age (weighted data)_

	N	Never user (3406.8)	Current user (888.7)	Former user (1011.6)
Total	5307.1	64.2%	16.7%	19.1%
Sex (M/F)
Male	2562.4	43.6%	26.3%	30.1%
Female	2744.6	83.4%	7.8%	8.8%
Age (years, in categories)
20–24	306.9	84.3%	14.2%	1.4%
25–29	314.9	73.6%	17.2%	9.1%
30–39	759.1	65.5%	22.3%	12.2%
40–49	960.5	54.6%	22.6%	22.8%
50–59	800.1	60.4%	21.0%	18.6%
60–69	886.6	59.3%	16.9%	23.8%
70–79	877.6	66.7%	8.2%	25.1%
80+	401.4	74.7%	3.7%	21.6%