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Table 4 Multivariate analysis of risk factors for mothers attended delivery services in July 2015–June 2017

From: Risk factors associated with hypertensive disorders in pregnancy in Nekemte referral hospital, from July 2015 to June 2017, Ethiopia: case-control study

VariablesCaseControlCOR (95%: CI)AOR (95%:CI)
Number (%)Number (%)
Age category
 25–2954 (27.1) 86 (43.2)113 (28.4)11
  < 2531 (15.6)218 (54.8).826(.548, 1.243).744(.446, 1.240)
 30–3428 (14.1)48 (12.1)1.351(.775, 2.356)1.020(.513, 2.026)
  > 34 19 (4.8)3.084 (1.583, 6.007) **2.508 (1.078, 5.832) *
Residential
 Urban70 (35.2) 129 (64.8)183 (46.0) 215 (54.0)11
 Rural  1.569 (1.104,2.229) *1.794 (1.150, 2.799) *
Marital status
 Single22 (11.1)20 (5.0)2.349 (1.250, 4.417) **1.400(.588, 3.330)
 Married177 (88.9)378 (95.0)11
Gravida
 Prim gravida109 (54.8)102 (25.6)3.515 (2.456, 5.030) **3.392 (2.159, 5.330) **
 Multigravida90 (45.2)296 (74.4)11
Parity
 Null parity64 (32.2)24 (6.0)7.388 (4.442, 12.287) **4.349 (2.355, 8.032) **
 Parity > or = 1135 (67.8)374 (94.0)11
Abortion
 No166 (83.4)390 (98.0)11
 Yes33 (16.6)8 (2.0)9.691 (4.383, 21.428) **4.390 (1.639, 11.761) **
Multiplicity of pregnancy
 Single181 (91.0)384 (96.5)11
 Twin/Multiple18 (9.0)14 (3.5)2.728 (1.327, 5.606) **3.777 (1.520, 9.387) **
ANC follow up
 No40 (20.1)23 (5.8)4.102 (2.377, 7.077) **3.048 (1.560, 5.958) **
 Yes159 (79.9)375 (94.2)11
Pre-existing hypertension
 No164 (82.4)383 (96.2)11
 Yes35 (17.6)15 (3.8)5.449 (2.897, 10.251) **3.805 (1.687, 8.581) **
Family history of hypertension
 No137 (68.8)373 (93.7)11
 Yes62 (31.2)25 (6.3)6.752 (4.079, 11.176) **5.044 (2.663, 9.555) **
History of diabetes mellitus
 No187 (94.0)392 (98.5)11
 Yes12 (6.0)6 (1.5)4.193 (1.550, 11.343) **5.032 (1.594, 15.891) **