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

Table 2

Obstetric and medical characteristics of women who gave birth at Dilla University Referral Hospital, Gedeo Zone, Southern Ethiopia, May 5–July 18, 2018 ().

Variable	Study subjects
	Cases (number %)	Controls (number %)
Attending antenatal care (ANC)
Yes	35 (58)	145 (81)
No	25 (42)	35 (19)
Number of ANC visits
1 times	11 (18)	22 (12)
2-3times	10 (16)	67 (37)
≥4 times	14 (23)	56 (31)
Family size
1-2	1 (2)	2 (1.2)
3-4	24 (40)	83 (46)
≥5	35 (58)	95 (52.8)
Hypertensive disorders of pregnancy
Yes	16 (27)	20 (11)
No	44 (73)	160 (89)
UTI (urinary tract infection)
Yes	11 (18.3)	13 (7.2)
No	49 (81.7)	167 (92.8)
HIV/AIDS serostatus
Positives	9 (15)	5 (2.7)
Not positive	51 (85)	175 (97.3)
History of preterm birth
Yes	11 (18)	8 (4)
No	49 (82)	172 (96)
History of abortion
Yes	23 (38)	42 (23.3)
No	37 (62)	138 (76.7)
Medication use during pregnancy
Yes	10 (20)	26 (14.4)
No	50 (80)	154 (85.5)