Determinants of Pregnancy-Induced Hypertension among Mothers Attending Public Hospitals in Wolaita Zone, South Ethiopia: Findings from Unmatched Case-Control Study

Table 4

Obstetrics and medical characteristics of mothers with/without hypertensive disorders of pregnancy in Wolaita zone, southern Ethiopia, 2020.

Variables		PIH		COR (95% CI)	value
		Case	Control
		Number (%)	Number (%)
Pregnancy status	Planned	72 (75.8)	150 (79.8)	1
	Unplanned	23 (24.2)	38 (20.2)	1.26 (0.70–2.27)	0.440
Gravidity	Primigravida	44 (46.3)	74 (39.4)	1
	Multigravida	51 (53.7)	114 (60.6)	0.75 (0.45–1.23)	0.263
History of previous PIH	Yes	45 (47.4)	20 (10.6)	7.56 (4.09–13.97)	<0.0001
	No	50 (52.6)	160 (89.4)	1
Multiple pregnancy	Yes	18 (18.9)	19 (10.1)	2.07 (1.03–4.18)	0.040
	No	77 (81.1)	169 (89.9)	1
Gestational DM	Yes	10 (10.5)	8 (4.3)	2.64 (1.00–6.94)	0.048
	No	85 (89.5)	180 (95.7)	1
Average pregnancy interval (n = 162)	<18 months	4 (4.2)	7 (3.7)	1.81 (0.47–6.96)	0.385
	18–24 months	17 (17.9)	54 (28.7)	1
	≥25 months	26 (27.4)	54 (28.7)	1.52 (0.74–3.13)	0.246
Hx of abortion	Yes	38 (40.0)	42 (22.3)	2.31 (1.35–3.95)	0.002
	No	57 (60.0)	146 (77.7)	1
Pregestational DM	Yes	16 (16.8)	8 (4.3)	4.55 (1.87–11.80)	0.001
	No	79 (83.2)	180 (95.7)	1
Hx of anemia in current pregnancy	Yes	29 (30.5)	26 (13.8)	2.73 (1.50–4.99)	0.001
	No	66 (69.5)	162 (86.2)	1
Hx of kidney disease	Yes	24 (25.3)	9 (4.8)	6.72 (2.97–15.17)	<0.0001
	No	71 (74.7)	179 (95.2)	1
Hx of asthma	Yes	3 (3.2)	6 (3.2)	0.98 (0.24–4.04)	0.988
	No	92 (96.8)	182 (96.8)	1
Hx of rheumatic arthritis	Yes	5 (5.3)	7 (3.7)	1.43 (0.44–4.65)	0.546
	No	90 (94.7)	181 (96.3)	1