Table 2.

Results of the Bayesian hierarchical model for the factors associated with child vaccination coverage

Variable	OR (95% CI)	P value
Maternal education
No education (Ref)	Ref	Ref
Primary	1.54 (1.22 to 1.96)	<0.001
Secondary	1.87 (1.38 to 2.54)	<0.001
Higher	3.78 (1.38 to 12.2)	0.015
Maternal age
15–19 (Ref)	Ref	Ref
20–34	1.04 (0.72 to 1.48)	0.849
35–49	1.28 (0.86 to 1.90)	0.222
Place of delivery
Home (Ref)	Ref	Ref
Health facility	1.16 (0.91 to 1.47)	0.241
Number of ANC visits
None (Ref)	Ref	Ref
1–3 visits	1.00 (0.75 to 1.33)	0.997
4+ visits	1.24 (0.97 to 1.59)	0.088
Wealth index
Poorest (Ref)	Ref	Ref
Poorer	1.33 (1.01 to 1.75)	0.041
Middle	1.39 (1.04 to 1.85)	0.027
Richer	1.33 (0.97 to 1.82)	0.076
Richest	1.03 (0.73 to 1.45)	0.885
Mass media exposure
No (Ref)	Ref	Ref
Yes	1.10 (0.90 to 1.36)	0.347
Zone of residence
Western (Ref)	Ref	Ref
Northern	0.97 (0.63 to 1.48)	0.879
Central	1.12 (0.74 to 1.70)	0.596
Southern highlands	1.15 (0.74 to 1.79)	0.532
Southern	0.53 (0.31 to 0.91)	0.02
South west highlands	0.66 (0.45 to 0.96)	0.032
Lake	0.83 (0.59 to 1.17)	0.287
Eastern	0.67 (0.44 to 1.02)	0.06
Zanzibar	1.49 (1.00 to 2.22)	0.053

ANC, antenatal care.