Table 2. Absolute and percentage contribution of mother's education. wealth and region of residence to the concentration indices (C): results of the decomposition analysis.

	Under-five deaths		Neonatal deaths		Skilled birth attendance		Vaccination		ORS		Antibiotics
	Absolute	%	Absolute	%	Absolute	%	Absolute	%	Absolute	%	Absolute	%
Education of mother	−0.020	17.5	−0.006	5.7	0.033	5.1	0.017	7.4	0.022	15.3	0.025	24.6
Wealth	−0.045	39.0	−0.014	13.6	0.318	48.9	0.193	84.8	0.111	77.6	0.024	23.5
Region
Tigray	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.
Affar	0.000	0.4	0.003	−2.6	0.001	0.1	0.006	2.6	0.000	−0.2	0.001	0.6
Amhara	0.001	−0.5	−0.001	0.8	−0.004	−0.6	0.017	7.6	0.002	1.3	−0.001	−1.2
Oromiya	0.000	0.0	−0.003	2.7	0.002	0.3	−0.027	−12.0	−0.013	−9.3	0.006	5.8
Somali	0.000	0.0	0.002	−1.6	0.001	0.1	0.004	1.5	0.000	−0.3	0.003	3.3
Benishangul-Gumuz	0.000	0.3	0.000	0.2	−0.001	−0.1	0.001	0.4	0.000	−0.2	0.001	0.5
SNNP	−0.001	0.8	0.002	−1.5	0.001	0.2	0.015	6.7	0.002	1.5	−0.002	−1.7
Gambela	0.000	0.1	0.000	0.0	0.000	−0.1	0.001	0.4	0.000	−0.2	−0.001	−0.9
Harari	0.000	−0.1	0.000	0.0	0.001	0.1	−0.001	−0.7	0.000	0.0	*	*
Addis Ababa	−0.004	3.6	−0.008	8.2	0.011	1.6	−0.012	−5.3	−0.006	−4.5	−0.007	−7.1
Dire Dawa	0.000	0.2	−0.001	0.9	0.001	0.1	0.000	−0.01	0.000	−0.002	0.000	−0.1
Residual	−0.045	38.8	−0.076	73.8	0.287	44.1	0.015	6.4	0.027	18.9	0.054	52.6
Total	−0.116	100.0	−0.103	100.0	0.650	100.0	0.228	100.0	0.142	100.0	0.102	100.0

*The contribution of the region Harari to the inequality in use of antibiotics was omitted in the regression analysis because ALL = 0.