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Table 3 Obstetrics and medical characteristics of mothers with/without hypertensive disorders of pregnancy in Tigray, 2018

From: Risk factors for hypertensive disorders of pregnancy among mothers in Tigray region, Ethiopia: matched case-control study

Variable HDP/Cases
N = 110, N (%)
No HDP/Controls
N = 220, N (%)
COR
(95% CI)
P-value
Pregnancy type
 Multiple 18 (16.4) 10 (4.5) 4.1(1.8, 9.6) 0.001
 Single 92 (83.6) 210 (95.5) 1.0  
Gestational diabetes mellitus
 Yes 7 (6.36) 3 (1.4) 4.7(1.2,18.0) 0.02
 No 103 (93.6) 217 (98.6) 1.0  
Pre-pregnancy oral contraceptive use
 Yes 42(38.2) 63 (28.6) 1.5 (0.9, 2.4) 0.08
 No 68 (61.8) 157 (71.4) 1.0  
Presence of anemia at first visit
 Yes 94 (85.5) 194(88.2) 1.3 (0.6, 2.9)  
 No 16(14.5) 26(11.8) 1.0 0.43
Age at menarche
 ≤ 15 years 72 (65.4) 148 (67.3) 0.9(0.6, 1.5) 0.734
 > 15 years 38 (34.6) 72 (32.7) 1.0  
Pre-pregnancy interval (N = 216)
 < 5 years 54 (83.08) 117 (77.5) 1.0  
 ≥ 5 years 11 (16.92) 34 (22.5) 0.9 (0.4, 2.2) 0.88
History of abortion
 Yes 25 (22.7) 39 (17.7) 1.0 0.263
 No 85 (77.3) 181 (82.3) 0.7 (0.4,1.2)