Research Article

Determinants of Preterm Birth among Mothers Who Gave Birth in Dilla University Referral Hospital, Southern Ethiopia: A Case-Control Study

Table 3

Multivariate analysis for determinants of preterm birth among mothers who gave birth at Dilla University Referral Hospital, Southern Ethiopia, May 5–July 18, 2018 ().

VariableStudy subjectsCOR (95% CI)AOR (95% CI)
Cases (, %)Controls (, %)

Educational status of mother
 Illiterate36 (60)53 (29)11
 Primary education6 (10)12 (7)0.73 (0.25-2.14)0.59 (0.16-2.1)
 Secondary education12 (20)59 (33)0.29 (0.14-0.63)0.2 (0.07-0.53)
 Tertiary and above6 (10)56 (31)0.16 (0.06-0.4)0.07 (0.08-0.65)

Occupation of the mother
 Housewife35 (58)60 (33)11
 Merchant13 (22)57 (32)0.39 (0.18-0.81)0.8 (0.32-1.7)
 Employee6 (10)48 (27)0.21 (0.083-0.55)3.2 (0.35-30)
 Other6 (10)15 (8)0.68 (0.24-1.9)1.9 (0.5-7)

Monthly income (Ethiopian birr)
 <600 ETB25 (42)59 (33)1.4 (0.8-2.6)0.9 (0.47-2)
 ≥600 ETB35 (58)121 (67)1

Antenatal care (ANC)
 Yes35 (58)145 (81)0.33 (0.18-0.63)0.41 (0.18-0.93)
 No25 (42)35 (19)11

Hypertension disorder of pregnancy
 Yes16 (27)20 (11)2.9 (1.3-6)5 (1.9-13)
 No44 (73)160 (89)11

Urinary tract infection
 Yes11 (18.3)13 (7.2)2.8 (1.2-6.8)3.6 (1.1-11)
 No49 (81.7)167 (92.8)11

HIV/AIDS serostatus
 Positives9 (15)5 (2.7)6.1 (1.98-19.2)4.2 (0.9-18)
 Not positive51 (85)175 (97.3)11

History of preterm birth
 Yes11 (18)8 (4)4.8 (1.8-12)5 (1.6-15)
 No49 (82)172 (96)11

History of abortion
 Yes23 (38)42 (23.3)2 (1.09-3.8)2.3 (1.1-5)
 No37 (62)138 (76.7)11

MUAC (cm)
 <2334 (57)69 (38)11
 23-3523 (38.)84 (47)0.55 (0.3-1.03)0.54 (0.25-1.1)
 >253 (5)27 (15)0.22 (0.064-0.79)0.2 (0.046-0.96)

Note: farmer, daily laborer, and student; statistical significance .