Table 3.

Factors associated with severe preeclampsia and eclampsia in patients admitted at the Jahun hospital maternity ward, unadjusted and adjusted for potential confounding factors

Variables	Cases, n (%)	Controls, n (%)	Unadjusted OR (95% CI)	Adjusted OR (95% CI)	P-value
Age <20 years	218 (52)	389 (31)	2.4 (2.0–3.1)	1.2 (0.7–2.1)	0.44
School attendance	29 (7)	171 (14)	2.1 (1.4–3.3)	1.7 (0.9–3.5)	0.09
Occupation as housewife	348 (87)	1172 (75)	2.3 (1.7–3.2)	2.0 (1.2–3.3)	0.004
Primiparity	232 (56)	423 (34)	2.5 (2.0–3.1)	2.5 (1.5–4.3)	0.001
Personal history of (pre)eclampsia	215 (53)	61 (5)	21.4 (15.3–30.0)	21.5 (14.2–32.5)	<0.001
Personal history of essential hypertension	106 (26)	48 (4)	8.7 (6.0–12.8)	10.5 (5.8–19.0)	<0.001
Family history of (pre)eclampsia	39 (12)	56 (6)	2.3 (1.4–3.6)	1.0 (0.5–2.1)	0.99
Family history of essential hypertension	49 (16)	81 (8)	2.0 (1.3–3.0)	1.2 (0.6–2.3)	0.59
Number of ANC visits <4	257 (79)	869 (67)	1.8 (1.3–2.4)	1.6 (1.1–2.4)	0.02
Traditional treatment during pregnancy	281 (72)	949 (62)	1.6 (1.2–2.1)	1.4 (0.9–1.9)	0.09

Abbreviations: ANC, antenatal care; CI, confidence interval; OR, odds ratio.