Table 3.

Perceptions of e-cigarette among pregnant smokers

	Total sample (N = 176) n (%)	Conventional only (n =110) n (%)	Dual user (n = 66) n (%)	p
Perceived risk of e-cigarette
General thoughts regarding e-cigarette:				<.001a
Serious health hazard	12 (6.8%)	8 (7.2%)	4 (6.0%)
Moderate health hazard	24 (13.6%)	18 (16.2%)	6 (9.0%)
Minor health hazard	41 (23.3%)	15 (13.5%)	26 (38.8%)
Not a health hazard at all	13 (7.4%)	6 (5.4%)	7 (10.4%)
Don’t know	86 (48.9%)	64 (57.7%)	24 (35.8%)
Perceived risk of e-cigarette to women’s health	% yes	% yes	% yes	pb
E-cigarette harmful to user	56.2%	63.0%	45.0%	.024
E-cigarette cause cancer	35.6%	40.8%	26.8%	.081
E-cigarette cause heart disease	33.3%	39.4%	23.6%	.050
E-cigarette cause lung disease	48.6%	52.6%	42.6%	.24
E-cigarette have harmful effects on fetus	53.3%	60.4%	41.2%	.027
E-cigarette have harmful effects on children	44.4%	46.5%	42.1%	.60
Occasional e-cigarette use harmful to user	42.3%	46.1%	36.7%	.24
E-cigarette use is associated with infertility	19.9%	23.9%	13.0%	.11
E-cigarette use relieves stress	82.4%	81.0%	82.8%	.77
E-cigarette use helps in losing weight	31.6%	35.7%	25.4%	.18
Acceptability
For women to use e-cigarette				.002c
Not at all acceptable	10 (5.8%)	8 (7.0%)	2 (3.0%)
Somewhat acceptable	27 (15.5)	23 (20.2%)	7 (10.6%)
Acceptable	85 (48.8%)	58 (50.9%)	29 (43.9%)
Very acceptable	52 (29.9%)	25 (21.9%)	28 (42.4%)
Pregnant women to use e-cigarette				.001c
Not at all acceptable	35 (20.5%)	29 (26.1%)	7 (10.6%)
Somewhat acceptable	68 (39.8%)	47 (42.3%)	24 (36.4%)
Acceptable	53 (31.0%)	29 (26.1%)	26 (39.4%)
Very acceptable	15 (8.8%)	6 (5.4%)	9 (13.4%)
Postpartum women to use e-cigarette				.002c
Not at all acceptable	16 (9.2%)	14 (12.4%)	3 (4.6%)
Somewhat acceptable	49 (28.3%)	36 (31.9%)	15 (22.7%)
Acceptable	70 (40.5%)	47 (41.6%)	26 (39.4%)
Very acceptable	38 (22.0%)	16 (14.2%)	22 (33.3%)

^ap from Mann-Whitney U test, omitting those who responded “Don’t know”

^bp from chi-square test of association

^cp from Mann-Whitney U test