TABLE 3.

Multivariable logistic regression analysis of maternal‐fetal Doppler

	Umbilical artery PI MoM 33–35 weeks			CPR MoM 33–35 weeks
	Coefficient	95% CI	P	Coefficient	95% CI	P
Cannabis	0.273	0.072–0.187	0.000	−0.476	−0.225 to −0.097	0.000
Tobacco	0.152	0.028–0.220	0.011	−0.116	−0.232 to 0.008	0.067
Maternal weight	−0.033	−0.004 to 0.003	0.741	−0.552	−0.006 to 0.004	0.582
BMI	0.013	−0.009 to 0.011	0.898	−0.139	−0.015 to 0.013	0.890
Maternal age	−0.067	−0.008 to 0.002	0.278	0.064	−0.003 to 0.010	0.329
White	0.061	−0.033 to 0.103	0.313	−0.060	−0.130 to 0.047	0.355

	MCA MoM 33–35 weeks			Mean uterine artery PI MoM 33–35 weeks
	Coefficient	95% CI	P	Coefficient	95% CI	P
Cannabis	−0.129	−1.117 to 0.002	0.058	0.092	0.013 to −0.131	0.017
Tobacco	−0.013	−0.102 to 0.084	0.843	−0.045	−0.148 to 0.036	0.231
Maternal weight	−0.099	−0.006 to 0.002	0.276	−0.068	−0.007 to 0.002	0.354
BMI	0.041	−0.008 to 0.002	0.661	0.086	−0.005 to 0.021	0.245
Maternal age	−0.001	−0.005 to 0.005	0.987	−0.066	−0.009 to 0.001	0.085
Caucasian	−0.004	−0.070 to 0.066	0.954	−0.031	−0.099 to 0.041	0.412

Abbreviations: BMI, body mass index; CPR, cerebral‐placental ratio; MCA, middle cerebral artery; MoM, multiples of the median; PI, pulsatility index.