Model 1	Crude	Adjusted*	Household size members
Education level	OR (95% CI) P-value	OR (95% CI) P-value	2-4 members	5-6 members	≥7 members
Higher	Ref	Ref	Ref	Ref	Ref
Secondary	1.63 (1.40-1.98) <0.001	1.49 (1.21-2.15) 0.001	1.99 (1.43-3.21) 0.001	1.27 (0.77-2.39) 0.450	0.75 (0.37-1.38) 0.334
Primary	2.95 (2.51-3.46) <0.001	2.48 (1.99-3.43) <0.001	3.40 (2.42-5.27) <0.001	2.44 (1.49-4.36) 0.003	1.17 (0.50-1.68) 0.573
No Education	3.07 (2.56-3.68) <0.001	2.59 (1.98-3.75) <0.001	2.96 (1.81-5.12) <0.001	3.07 (1.76-5.69) 0.001	1.18 (0.43-1.62) 0.599
Model 2			Antenatal clinic visits
			<4 visits	4-7 visits	≥ 8 visits
Higher	Ref	Ref	Ref	Ref	Ref
Secondary	1.63 (1.40-1.98) <0.001	1.45 (1.23-2.03) 0.005	1.51 (0.87-3.05) 0.211	1.33 (1.01-1.98) 0.102	4.16 (0.77-21.01) 0.096
Primary	2.95 (2.51-3.46) <0.001	2.58 (2.19-3.54) <0.001	2.17 (1.23-4.17) 0.015	2.45 (1.85-3.48) <0.001	12.86 (2.11-47.35) 0.002
No Education	3.07 (2.56-3.68) <0.001	2.49 (2.06-3.55) <0.001	2.51 (1.37-4.97) 0.006	2.22 (1.50-3.43) <0.001	6.35 (0.58-69.78) 0.070
Model 3			Breastfeeding duration in months
			<6 months	6-11 months	≥12 months
Higher	Ref	Ref	Ref	Ref	Ref
Secondary	1.63 (1.40-1.98) <0.001	1.57 (1.37-2.02) <0.001	3.78 (0.88-13.36) 0.055	0.85 (0.48-2.20) 0.574	1.74 (1.18-2.26) 0.003
Primary	2.95 (2.51-3.46) <0.001	2.47 (2.22-3.21) <0.001	4.01 (1.11-15.50) 0.034	3.03 (1.50-6.14) 0.002	3.03 (1.82-3.36) <0.001
No Education	3.07 (2.56-3.68) <0.001	3.05 (2.46-3.78) <0.001	4.01 (0.96-16.55) 0.060	1.13 (0.75-3.91) 0.691	3.47 (1.98-4.11) <0.001