Table 5.

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

Model	Unstandardized coefficients		P value	95% confidence interval		Multicollinearity test
	β	Std. error		Lower bound	Upper bound	∗VIF
(Constant)	9.89	0.95	<0.001	8.02	11.76
Meal frequency	0.40	0.14	0.005	0.12	0.69	1.02
Interpregnancy interval	0.08	0.03	0.007	0.02	0.15	1.03
History of still birth	-0.63	0.21	0.004	-1.06	-0.20	1.01
MUAC	0.13	0.03	<0.001	0.07	0.20	1.03
Consumed coffee	-1.00	0.16	<0.001	-1.31	-0.68	1.05
Own fruits/vegetables	0.55	0.12	<0.001	0.31	0.79	1.02
Iron-folate supplement	0.96	0.16	<0.001	0.63	1.28	1.06

β: beta coefficient; MUAC: mid-upper arm circumference; R²: 0.332.