Determinants of Preterm Birth among Women Who Gave Birth in Amhara Region Referral Hospitals, Northern Ethiopia, 2018: Institutional Based Case Control Study

Table 2

Obstetrics profiles of study participants who gave birth in Amhara region, referral hospitals, Northwest, Ethiopia, 2019 ().

Variable	Cases (%)	Controls (%)	Total (%)
Parity
1	59 (43.7)	150 (55.6)	209 (51.6)
2–5	54 (40.0)	105 (38.9)	159 (39.3)
≥5	22 (16.3)	15 (5.6)	37 (9.1)
Types of bad obstetric history ()
Still birth	16 (20)	12 (15)	28 (35)
Early neonatal lost	11 (13.8)	9 (11.2)	20 (25.0)
APH	6 (7.2)	9 (11.2)	15 (18.7)11 (13.8)
PPH	5 (6.2)	6 (7.5)	7 (8.8)
PIH	2 (5.7)	5 (6.2)	8 (10.0)
PROM	3 (3.8)	5 (6.2)	5 (8)
OL	2 (5.9)	3 (7)
Onset of labor
Start spontaneous	103 (76.3)	214 (79.3)	317 (78.3)
Induction	23 (17.0)	29 (10.7)	52 (12.8)
CS before labor start	9 (6.7)	27 (10.0)	36 (8.9)
Inter pregnancy interval
No birth interval (Primiparous)	59 (43.7)	140 (51.9)	199 (49.1)
<24 month	24 (17.8)	17 (6.3)	41 (10.1)
≥24 month	52 (38.5)	113 (41.9)	165 (40.7)
Frequency of ANC
No ANC follow up	8 (5.9)	19 (7.0)80 (29.6)	27 (6.7)
<4 follow	82 (60.7)		162 (40.0)
≥4	45 (33.3)	171 (63.3)	216 (53.3)
Duration of iron taking ()
<3 months	113 (98.3)	238 (98.3)	351 (98.3
≥3 months	2 (1.7)	4 (1.7)	6 (1.7)
Multiple pregnancy
Yes	21 (15.6)	12 (4.4)	33 (8.1)
No	114 (84.4)	258 (95.6)	372 (91.9)