Magnitude of Preterm Birth and Its Associated Factors: A Cross-Sectional Study at Butajira Hospital, Southern Nations, Nationalities, and People’s Region, Ethiopia

Table 2

Associated factors of preterm birth in the Butajira Hospital, 2019.

Variables	Preterm birth		Crude odds ratio (95% CI)	Adjusted odds ratio (95% CI)
	No	Yes
Residence
Urban	186	22	Reference	Reference
Rural	71	25	3 (1.6, 5.6)	1.9 (.8, 4.3)
Age group
<20	29	3	.7 (.2, 2.4)	1.1 (.3, 4.6)
20-34	211	31	1	1
35	17	13	5.2 (2.3, 11.8)	2.2 (.7, 6.8)
Parity
Primipara	77	10	.8 (.4,1.7)	1.1 (.4, 2.8)
Multipara	166	27	Reference	Reference
Grand multipara	14	10	4.4 (1.1, 10.8)	1.5 (.4, 5.1)
Preeclampsia
No	239	37	Reference	Reference
Yes	18	10	3.6 (1.5, 8.4)	4.0 (1.6, 10.0)
ANC visit in current pregnancy
4 visits	143	18	Reference	Reference
<4 visits	114	29	2.0 (1.1, 3.8)	1.0 (.4, 2.1)
Premature rupture of fetal membranes
No	248	39	Reference	Reference
Yes	9	8	5.6 (2.1, 15.5)	4.2 (1.4, 12.9)
History premature birth
No	222	31	1	1
Yes	35	16	3.3 (1.6, 6.6)	2.2 (.9, 5.0)

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