Table 3: Parameter estimates at different quantile levels.

Parameter	Estimate	p-value	Estimate	p-value	Estimate	p-value	Estimate	p-value	Estimate	p-value	Estimate	p-value
Intercept	10.64	<.0001	13.27	<.0001	14.61	<.0001	15.93	<.0001	16.79	<.0001	18.63	<.0001
Quantile Level	0.05		0.25		0.50		0.75		0.85		0.95
Current age of children	0.03	0.3486	-0.19	<.0001	-0.29	<.0001	-0.38	<.0001	-0.44	<.0001	-0.64	<.0001
Current age of mother	0.00	0.7245	-0.01	0.001	-0.01	0.0011	-0.01	0.0055	-0.01	0.0085	-0.01	0.5091
Mother’s BMI	0.05	<.0001	0.07	<.0001	0.07	<.0001	0.07	<.0001	0.08	<.0001	0.08	<.0001
Sex of child (Ref. Male)
Female	-0.22	0.0036	-0.22	<.0001	-0.20	<.0001	-0.24	<.0001	-0.22	<.0001	-0.25	0.0181
Region (Ref. Tigray)
Addis Adaba	0.66	0.0021	-0.23	0.0506	0.36	0.0021	0.22	0.2058	0.50	0.0265	0.91	0.0059
Afar	0.28	0.1625	0.42	0.0044	-0.34	0.0005	-0.46	0.0003	-0.29	0.0589	-0.32	0.2562
Amhara	0.30	0.0564	0.05	0.5783	-0.02	0.782	-0.15	0.0837	-0.01	0.8816	-0.37	0.1181
Benishangul-Gumuz	0.32	0.1145	0.07	0.467	-0.09	0.3272	-0.19	0.0688	-0.12	0.3425	-0.10	0.7283
Dire Dawa	-0.24	0.4795	-0.15	0.3288	-0.23	0.04	-0.49	0.0008	-0.41	0.0055	-0.18	0.5495
Gambela	-0.12	0.6427	-0.07	0.5731	-0.28	0.0296	-0.41	0.0044	-0.24	0.1471	-0.21	0.4863
Harari	-0.20	0.3795	-0.04	0.7909	0.04	0.7319	-0.15	0.2674	0.02	0.9288	0.03	0.93
Oromia	0.05	0.7724	0.09	0.3489	-0.02	0.8117	0.15	0.1865	0.31	0.0137	0.49	0.1266
SNNPR	0.59	0.0058	0.48	<.0001	0.28	0.0019	0.28	0.0157	0.41	0.0011	0.78	0.0334
Somali	-0.38	0.0315	-0.72	<.0001	-0.81	<.0001	-0.86	<.0001	-0.77	<.0001	-0.92	0.0015
Place of residence (Ref. Urban)
Rural	0.03	0.8509	0.14	0.039	0.17	0.0195	-0.06	0.4937	-0.02	0.765	0.14	0.4907
Religion (Ref. Traditional)
Orthodox	1.16	0.0868	0.31	0.1208	0.09	0.5961	0.04	0.887	-0.39	0.2778	-0.73	0.4635
Catholic	1.09	0.2477	-0.24	0.414	-0.34	0.26	-0.15	0.7703	-0.23	0.7783	-0.12	0.9603
Protestant	0.97	0.1664	0.20	0.2901	0.09	0.5735	0.13	0.6383	-0.33	0.3486	-0.97	0.3255
Muslin	0.92	0.1764	0.30	0.1066	0.09	0.5557	0.05	0.8561	-0.39	0.2828	-0.78	0.4273
Other	-0.05	0.9719	0.26	0.3368	0.13	0.6488	0.05	0.9195	-0.17	0.7622	0.01	0.9959
Wealth index (Ref. Rich)
Poor	-0.08	0.5335	-0.12	0.0238	-0.13	0.0179	-0.12	0.0925	-0.14	0.0708	-0.23	0.1637
Middle	0.08	0.603	-0.11	0.1052	-0.13	0.0244	-0.22	0.0089	-0.13	0.167	-0.39	0.0302
Work Status (Ref. Yes)
No	-0.01	0.9022	-0.06	0.1818	-0.03	0.4848	-0.01	0.7833	-0.04	0.4524	-0.05	0.7069
Educational level (Ref. Secondary)
No education	-0.32	0.0997	-0.11	0.2353	0.00	0.9731	0.04	0.698	0.04	0.7498	0.03	0.9073
Primary	-0.09	0.6136	-0.06	0.4997	-0.01	0.9075	0.02	0.8119	-0.01	0.9432	-0.13	0.6425
Higher	-0.35	0.182	0.05	0.7099	0.17	0.1533	0.23	0.1473	0.16	0.3296	-0.15	0.6936
Marital status (Ref. Not married)
Married	0.03	0.8503	-0.02	0.8395	-0.10	0.2176	0.04	0.6952	0.06	0.564	0.02	0.9404
Weight of child at birth (Ref. Small)
Average	0.46	<.0001	0.26	<.0001	0.24	<.0001	0.32	<.0001	0.30	<.0001	0.37	0.0055
Large	0.60	<.0001	0.40	<.0001	0.43	<.0001	0.46	<.0001	0.42	<.0001	0.44	0.0017
Don't know	-0.17	0.8959	-0.34	0.2375	-0.11	0.6086	-0.24	0.3628	-0.15	0.6844	0.14	0.7656