Table 3.

Pregnancy outcomes of pregnant women according to ENDS and/or smoking status, excluding smokers who did not disclose their smoking from the referent, Little Rock, Arkansas, 2015–2017 (N=199)

Self-reported tobacco use at baseline	n	Multivariate* mean z-score birth weight difference (SE)	Smallness-forgestational-age (%)	Smallness-forgestational-age crude risk ratio ( 95% CI)	Smallness-forgestational-age multivariate* risk ratio ( 95% CI)
Current ENDS dual users	17	-0.303 (0.274)	4 (23.5)	2.8 (0.8–10.1)	2.5 (0.7–8.8)
Current ENDS-only users	6	-0.540 (0.417)	2 (33.3)	4.0 (0.9–17.4)	5.1 (1.2–22.2)
Any current ENDS use	23	-0.368 (0.243)	6 (26.1)	3.1 (1.0–10.0)	3.8 (1.3–11.2)
Current cigarette smokers	56	-0.490 (0.190)**	13 (23.1)	2.8 (1.0–8.0)	2.6 (0.9–7.2)
Secondhand smoke/aerosol	45	0.006 (0.190)	7 (14.0)	1.9 (0.6–5.9)	1.6 (0.6–4.8)
Use other tobacco products	11	-0.548 (0.317)	1 (9.1)	1.1 (0.1–8.8)	1.3 (0.2–10.7)
Unexposed	64	0 (Referent)	5 (7.8)	Referent	1 (Referent)

^*Model included maternal age and race/ethnicity as covariates.

^**p<0.05.