Table 1.

Basic characteristics of study subjects by premature rupture of the membranes and unadjusted odds ratio, Harar town, Eastern Ethiopia, 2016

Characteristics		Total n=1688	Experience PROM		Crude OR CI			P value
			No (%)	Yes (%)
Khat	No	1,060	81.23	18.77	1
	Yes	628	68.47	31.53	1.99	1.58	2.50	0.000
Age of mothers	≤19	301	75.08	24.92	1
	20 and above	1,387	76.78	23.22	0.911	0.68	1.21	0.528
Residence of mothers	Urban	943	75.19	24.81	1
	Rural	745	78.12	21.88	0.84	0.67	1.06	0.158
Educational status	Literate	894	78.52	21.48	1
	Illiterate	794	74.18	25.82	1.27	1.01	1.59	0.036
History of abortion	No	1,388	78.82	21.18	1
	Yes	300	65.67	34.33	1.94	1.48	2.55	0.000
History of preterm	No	1,657	77.07	22.93	1
	Yes	31	45.16	54.84	1.62	1.21	2.17	0.001
History of PROM	No	1,456	81.66	18.34	1
	yes	232	43.97	56.03	3.38	1.64	6.97	0.001
ANC	No	561	70.23	29.77	1
	Yes	1,127	79.59	20.41	0.60	0.47	0.76	0.000
Parity	1	722	81.72	18.28	1
	2-4	755	74.30	25.70	1.54	1.20	1.98	0.001
	≥5	211	66.35	33.65	2.26	1.60	3.19	0.000
Anemia	No	1,535	79.54	20.46	1
	Yes	153	45.75	54.25	4.61	3.27	6.48	0.000