Table 2.

Associations Between Variables and Inaccurate E-cigarette (EC) Harm Perceptions Adjusting for Covariates

	% (n) Inaccurate responsesa	Adjusted OR (95% CI)	p
Mental health status
No diagnosis	61.5 (2727)	Ref
Ever diagnosis without past year treatment	61.3 (485)	1.03 (0.90–1.19)	.64
Ever diagnosis with past year treatment	61.5 (804)	1.07 (0.88–1.29)	.51
Age
16–24	59.1 (713)	Ref
25–34	65 (817)	1.28 (1.08–1.52)	<.01
35–44	60.3 (624)	1.04 (0.87–1.24)	.69
45–54	59.8 (672)	0.95 (0.80–1.14)	.57
55–64	58.3 (557)	0.83 (0.69–1.01)	.06
65+	66.4 (633)	0.99 (0.80–1.22)	.89
Gender
Men	57.4 (1971)	Ref
Women	66 (2045)	1.46 (1.31–1.63)	<.001
Ethnicity
White	61 (3576)	Ref
Non-white	65.4 (440)	1.36 (1.13–1.63)	.001
Social grade
A, B, C1	53.8 (1539)	Ref
C2, D, E	66.4 (2477)	1.35 (1.20–1.51)	<.001
Residential region
North	58.6 (1282)	Ref
Central	63.4 (1192)	1.11 (0.97–1.27)	.12
South	62.2 (1542)	1.08 (0.95–1.23)	.23
Education level (post-16)
No	66 (1900)	Ref
Yes	58 (2116)	0.87 (0.77–0.97)	<.02
Own EC use
No	67.4 (3552)	Ref
Yes	36.9 (464)	0.30 (0.26–0.35)	<.001
Exposure to others’ EC use
No	64 (3071)	Ref
Yes	55.7 (945)	0.90 (0.80–1.02)	.09
Daily smoker
No	52.9 (526)	Ref
Yes	62.9 (3490)	1.30 (1.12–1.50)	.001
Motivation to quit <1 month
No	62.1 (3760)	Ref
Yes	52.7 (256)	0.79 (0.64–0.96)	<.02
Internet use
Never	72.8 (605)	Ref
Daily or less	63.7 (718)	0.73 (0.59–0.90)	<.01
More than daily	59.2 (2693)	0.66 (0.54–0.80)	<.001
Tabloid reader
No	61 (3501)	Ref
Yes	64.5 (515)	1.10 (0.93–1.30)	.27
Mid-market reader
No	61.5 (3652)	Ref
Yes	60.9 (364)	1.00 (0.83–1.20)	.96
Broadsheet reader
No	62.6 (3739)	Ref
Yes	48.7 (277)	0.68 (0.57–0.82)	<.001

^a%s are weighted. Ns, odds ratios (ORs), and 95% confidence intervals (CIs) are unweighted.