Table 1.

Risk factors for hypertensive disorders in pregnancy

Characteristic	Hypertensive disorder in pregnancy n = 184	Control n = 172	p
Prenatal hypertension	91%	95%	0.005
Smoking	16%	25%	0.381
Low education level	33%	54%	0.004
Chronic hypertension	34.5%	7%	0.002
Diabetes	24%	9%	0.002
Nulliparity	29%	25%	0.403
High BMI (kg/m²)*	34.8 ± 5.2	25.4 ± 3.6	0.001
Multifetal gestation	8%	4%	0.511
Previous PE history	53%	5%	0.000
Family history of PE	41%	17%	0.002

PE, preeclampsia; BMI, body mass index;

^*Data are presented as mean ± SD or %.