Table 3.

Factors associated with immunization (BCG, Pentavalent and polio vaccines) of children aged 12–23 months – Multivariate weighted logistic regressions (Senegal DHS 2016 – n = 1,143).

	BCG vaccine	Pentavalent vaccine†		Polio vaccine†
	OR 95% CI††	OR 95% CI†† Model A	OR 95% CI†† Model B	OR 95% CI†† Model A	OR 95% CI†† Model B
Sex of the child
Male (ref.)	NS	NS	NS	NS	NS
Female
Birth order
1 (ref.)	1	NS	NS	NS	NS
2–3	1.21[0.57;2.56]
4+	0.24[0.10;0.56]
Mother’s age
14–19	0.37[0.17;0.81]	NS	NS	NS	NS
20–30 (ref.)	1
>30	2.50[1.15;5.41]
Mother’s education level
No education (ref.)	NS	1	1	1	1
Primary		3.04[1.56;5.89]	3.60[1.80;7.20]	2.60[1.43;4.72]	2.41[1.32;4.40]
Secondary or higher		4.43[1.50;13.07]	6.26[2.21;17.76]	2.86[1.30;6.27]	2.51[1.12;5.61]
Household head’s education level
No education (ref.)	NS	NS	NS	NS	NS
Primary
Secondary or higher
Missing
Household wealth quintile
Poorest	NS	0.42[0.18;1.01]	NS	NS	NS
Poorer		0.63[0.28;1.42]
Middle (ref.)		1
Richer		0.82[0.22;3.07]
Richest		9.07[0.99;82.69]
Place of residence
Urban (ref.)	NS	NS	NS	NS	NS
Rural
Region
North (ref.)	1	1	1	1	NS
West	8.74[1.12;68.39]	2.32[0.76;7.07]	3.07[0.84;11.24]	1.39[0.65;2.96]
Center	3.88[1.76;8.57]	3.26[1.40;7.58]	2.61[1.03;6.57]	1.51[0.76;3.02]
South	0.68[0.33;1.40]	0.84[0.36;1.93]	0.83[0.38;1.80]	0.61[0.30;1.22]
BCG vaccine at birth
No (ref.)	___	___	1	___	1
Yes			18.75[9.09;38.67]		10.05[5.89;17.13]

†: three doses completed.

††: Adjusted odds ratios and 95% confidence intervals.

Ref.: reference category for categorical covariates.

NS: non statistically significant (p > 0.05) after stepwise selection.