Table 3:

Univariate and multivariate analyses of risk factors for pre-existing hypertension in pregnant women

	Hypertension		Crude OR (95% CI)	P-value	Adjusted OR (95% CI)
Variable	Yes	No				P-value
		BMI
Non obese	52 (3.7)	1341 (96.3)	1	<0.001	1	0.001
Obese	193 (90.2)	21 (9.8)	2.8(1.65–4.76)		2.5 (1.46–4.43)
	Non response
Gestational diabetes
No	68 (4.2)	1535 (95.8)	1		1
Yes	15 (71.4)	6 (28.6)	9.0 (3.4–23.9)	<0.001	5.3(1.63–17.46)	0.006
No. of children
0–1	34 (3.4)	959 (96.6)	1
2 or more	40 (6.4)	583 (93.6)	1.9 (1.21 –3.09)	<0.001	1.83(1.11–2.99)	0.001
Maternal age
Age			0.97(0.93–1.02)	0.212	0.98 (0.94–1.02)	0.266

^*BMI, gestational diabetes, number of children, age