Table 4.

Bivariate and multivariable analysis for the predictors of hypertensive disorders of pregnancy in Tigray, 2018

Variables	Matched unadjusted OR(95% CI)	Matched adjusted OR(95% CI)
Residence
Rural	3.1 (1.9, 5.0)*	3.7(1.9, 7.1)**
Urban	1.0	1.0
Age
Mean ± (SD)	1.02(0.9, 1.06)	0.96 (0.9, 1.02)
Marital status
Married	1.0	1.0
Unmarried	0.5(0.2, 1.4)	0.44 (0.12, 1.5)
Family History of hypertension
Yes	3.6 (1.7, 7.6)*	2.1 (0.7, 6.4)
No	1.0	1.0
Fruit use
Yes	1.0	1.0
No	5.3 (3.0, 9.4)*	5.1 (2.4, 11.15)**
Vegetable use		1.0
Yes	1.0	1.2(0.6, 2.3)
No	2.08 (1.3, 3.3)*
History of smoking
Yes	1.0	1.0
No	0.3 (0.07, 1.2)	0.6 (0.07, 5.2)
BMI of mothers (prepregnancy)
< 18.5	1.0	1.0
18.5–24.9	0.95 (0.56, 1.6)	1.7 (0.8, 3.4)
25–29.9	4.3 (1.4, 13.6)*	5.5 (1.12, 27.6)*
Coffee use
Yes	3.08 (1.6, 5.9)*	1.9 (0.8, 4.4)
No	1.0	1.0
Pregnancy type
multiple	4.1 (1.8, 9.6)*	4.2 (1.3, 13.3)*
single	1.0	1.0
Presence of gestational diabetes mellitus
Yes	4.6 (1.2, 18.0)*	5.4 (1.1, 27.0)*
No	1.0	1.0
Oral contraceptive use
Yes	1.5 (0.9, 2.4)	1.2(0.6, 2.4)
No	1.0	1.0

*P-value <0.01, **P-value <0.001