Table 4.

Simple linear regression model predicting hemoglobin level among pregnant women in Jimma Zone, Southwest Ethiopia (n = 367).

Model	Unstandardized coefficients		P value	95% confidence interval
	β	Std. error		Lower bound	Upper bound
Age (yrs)
15-20	Ref
21-24	0.07	0.21	0.74	-0.35	0.50
25-29	0.14	0.17	0.39	-.019	0.48
30-34	-0.32	0.29	0.26	-0.89	0.24
35-49	0.17	0.36	0.63	-0.53	0.88
Religion
Muslim	0.61	0.53	0.25	-0.43	1.66
Orthodox Christian	0.52	0.59	0.37	-0.63	1.69
Protestant	Ref.
Maternal education
Cannot read and write	Ref
Elementary school	0.01	0.18	0.99	-0.35	0.37
Complete grade 8	0.51	0.24	0.03∗	0.02	0.99
High school	0.20	0.31	0.50	-0.40	0.82
Collage and above	-0.05	0.29	0.84	-0.63	0.52
Gravida	0.02	0.04	0.54	-0.06	0.11
Nausea and vomiting
Yes	0.17	0.14	0.23	-0.11	0.46
No	Ref
Food taboo
Yes	0.22	0.18	0.22	-0.13	0.58
No	Ref
Iron folate received
Yes	1.28	0.18	<0.001∗	0.92	1.64
No	Ref
Meal frequency	0.54	0.17	0.002∗	0.20	0.88
Interpregnancy interval	0.14	0.03	<0.001∗	0.07	0.02
History of stillbirth
Yes	-0.86	0.25	0.001∗	-1.37	-0.36
No	Ref.
MUAC	0.18	0.04	<0.001∗	0.10	0.26
Consumed coffee
Yes	-1.22	0.17	<0.001∗	-1.57	-0.86
No	Ref.
Alcohol consumed
Yes	0.20	0.80	0.80	-1.38	0.88
No	Ref.
Khat chewing
Yes	0.03	0.17	0.85	-0.30	0.36
No	Ref.
Own fruits/vegetables
Yes	0.60	0.14	<0.001∗	0.32	0.88
No	Ref.

^∗Significant at P < 0.05.