Table 1.

Study sample characteristics (unweighted %), overall and by country (Canada, England and the United States) among adult respondents who vaped and smoked at least weekly, 2020.

	All respondents N = 2324		Canada n = 796 (34.3%)	US n = 439 (18.9%)	England n = 1089 (46.9%)
	n	%	%	%	%
Respondent type
Cohort	639	27.5	35.4	19.9	44.8
Newly recruited	1685	72.5	71.6	71.1	73.7
Sex
Male	1363	58.7	57.0	57.2	60.4
Female	961	41.4	43.0	42.8	39.6
Age group (years)
18–24	916	39.4	38.9	59.0	31.9
25–39	708	30.5	33.7	16.6	33.7
40–54	445	19.2	34.4	12.6	53.0
55+	255	11.0	8.2	11.6	12.8
Income
Low	518	22.3	24.5	32.4	16.6
Moderate	657	28.3	28.0	27.3	28.8
High	1089	46.9	44.5	40.1	51.3
Not reported	60	2.6	3.0	0.2	3.2
Education
Low	419	18.0	23.1	29.4	9.7
Moderate	1022	44.0	41.1	41.2	47.2
High	868	37.4	35.43	29.38	41.97
Not reported	15	0.7	0.4	0.0	1.1
Smoking frequency
Daily smoking	1706	73.4	68.8	69.9	78.2
Weekly smoking	618	26.6	31.2	30.1	21.9
Vaping frequency
Daily vaping	1236	53.2	46.7	55.4	57.0
Weekly vaping	1088	46.8	53.3	44.7	43.0

Data are weighted and unadjusted. Annual household income is defined as: ‘low’ (CA: <CAD $30,000; US: <USD $30,000; EN: <£15000), ‘moderate’ (CA: CAD $30,000–59,000; US: USD$30,000–59,000; EN: £15,000–30,000), ‘high’ (CA: ≥CAD $60,000; US: ≥USD $60,000; AU: ≥AUD $60,000; EN: >£30,000), and ‘not reported’; Education is defined as: ‘low’ (all countries: ≤ high school), ‘moderate’ (CA: trade school, community college, some university (no degree); US: trade school, community college, associate degree, or some university (no degree) EN: further education/ training college below degree level or some university (no degree)), ‘high’ (all countries: university degree or post-graduate degree), and ‘not reported’.