Table 1

Respondents’ demographics and e-cigarette tobacco use characteristics

Characteristic	Overall sample (N=765)		Dual users (N=390)		Cigarette-only users (N=362)		E-cigarette-only users (N=13)
Characteristic	N	Per cent	N	Per cent	N	Per cent	N	Per cent
Gender
Female	364	47.6	128	32.8	226	62.4	10	76.9
Male	401	52.4	262	67.2	136	37.6	3	23.1
Race/ethnicity
White, non-Hispanic	644	84.7	337	86.6	299	83.3	8	66.7
Black, non-Hispanic	53	7.0	27	6.9	24	6.7	2	16.7
Hispanic	48	6.3	20	5.1	27	7.5	1	8.3
Other, non-Hispanic	15	2.0	5	1.3	9	2.5	1	8.3
Age
19–24	60	7.8	47	12.1	12	3.3	1	7.7
25–39	286	37.4	213	54.6	71	19.6	2	15.4
40–64	365	47.7	113	29.0	243	67.1	9	69.2
65+	54	7.1	17	4.4	36	9.9	1	7.7
Education
Never attended school/only attended kindergarten	3	0.4	2	0.5	2	0.5	0	0.0
Grades 1–8 (elementary)	38	5.0	37	9.5	37	9.2	0	0.0
Grades 9–11 (some high school)	10	1.3	5	1.3	5	1.2	0	0.0
Grade 12 or GED (high school graduate)	153	20.1	46	11.8	47	11.7	1	7.7
College 1–3 years (some college)	384	50.5	226	57.9	233	57.8	7	53.8
College 4 or more years (college graduate)	173	22.7	74	19.0	79	19.6	5	38.5
Income
<$25 000	130	17.6	42	10.9	83	24.3	5	41.7
$25 000–$34 999	77	10.4	27	7.0	48	14.0	2	16.7
$35 000–$49 999	129	17.4	45	11.7	81	23.7	3	25.0
$50 000–$74 999	256	34.6	190	49.2	65	19.0	1	8.3
$75 000 or more	148	20.0	82	21.2	65	19.0	1	8.3
Made a quit attempt in the past year	423	55.9	286	73.9	131	36.5	6	54.5
Used e-cigarettes as a cessation resource*	91	21.5	73	25.4	12	9.2	6	100.0
Ever tried using e-cigarettes	497	65.0	390	100.0	94	26.0	13	100.0
Plan on trying e-cigarettes in the next 12 months†	143	53.4	NA	NA	143	46.6	NA	NA
Currently use e-cigarettes†
Every day	199	40.0	194	49.7	0	0.0	5	38.5
Some days	166	33.4	160	41.0	0	0.0	6	46.2
Not at all	132	26.6	36	9.2	94	100.0	2	15.4
Days used e-cigarettes in past 30 days‡
Less than 5 days	185	56.6	88	39.6	94	100.0	3	27.3
5–9 days	54	16.5	53	23.9	0	0.0	1	9.1
10–19 days	49	15.0	47	21.2	0	0.0	2	18.2
20–30 days	39	11.9	34	15.3	0	0.0	5	45.5
E-cigarette brand§
blu	239	59.9	236	61.0	NA	NA	3	25.0
NJOY	75	18.8	72	18.6	NA	NA	3	25.0
Other	54	13.5	49	12.7	NA	NA	5	41.7
21st Century Smoke	36	9.0	36	9.3	NA	NA	0	0.0
Nicotek	142	35.6	142	36.7	NA	NA	0	0.0
Mistic	18	4.5	17	4.4	NA	NA	1	8.3
Logic	165	41.4	165	42.6	NA	NA	0	0.0
Green Smoke	9	2.3	9	2.3	NA	NA	0	0.0
Don't know	23	5.8	21	5.4	NA	NA	2	16.7
E-cigarette flavour§
Mint/menthol-flavoured	241	60.4	234	60.5	NA	NA	7	58.3
Candy-flavoured	226	56.6	221	57.1	NA	NA	5	41.7
Regular (eg, traditional, tobacco)	127	31.8	122	31.5	NA	NA	5	41.7
Alcohol-flavoured	34	8.5	32	8.3	NA	NA	2	16.7
Other	5	1.3	5	1.3	NA	NA	0	0.0
Time between waking and using first e-cigarette§
Within 5 min	58	14.4	57	14.6	NA	NA	1	7.7
Between 6 and 30 min	229	56.8	225	57.7	NA	NA	4	30.8
Between 31 and 59 min	30	7.4	27	6.9	NA	NA	3	23.1
After 60 min	86	21.3	81	20.8	NA	NA	5	38.5

*Among those making a quit attempt.
†Among those who never tried e-cigarettes.
‡Among those who tried e-cigarettes.
§Among current e-cigarette users.
E-cigarette, electronic cigarette; GED, General Educational Development; NA, not available.