Table 3 Adjusted estimates of the odds ratio for the main exposures influencing children between 0 and 23 months old living in South Sudan from being on track with their routine immunisation schedule using Mantel-Haenszel method

 Maternal Age (25–34 years)

0.42 (0.19, 0.93)

0.034

0.40 (0.24, 0.65)

< 0.001

 Maternal Age (25–34 years)

3.96 (1.35, 11.53)

0.012

3.82 (1.25, 11.60)

0.011

 Frequent provision of immunization at health facility on daily bases

3.50(1.18, 10.34)

0.016

 Health facility too far and no transportation to going for immunization

3.95 (1.27, 12.23)

0.01

 County

1.80(1.11, 2.90)

0.017

1.20 (0.70, 2.03)

0.494

 Availability of children immunization card

1.62 (0.97, 2.69)

0.059

 Functional health facility in the area

1.64 (0.98, 2.73)

0.054

 Health facility conduct routine immunization outreach services

1.33 (0.77, 2.27)

0.303

 Health facility too far and no transportation to going for immunization

1.53 (0.92, 2.53)

0.099

 Vaccinator not happy for coming regularly to the community

1.54 (0.94, 2.53)

0.083

 Inadequate notice about immunization outreach visit to community

1.32 (0.78, 2.22)

0.293

 Maternal Age (25–34 years)

2.32 (1.45, 3.71)

< 0.001

2.15 (1.27, 3.63)

0.003

 immunization benefits

2.06 (1.231, 3.43)

0.005

 Vaccinator visit during family livelihood business

2.23 (1.36, 3.61)

0.001

 Health facility too far and no transportation to going for immunization

2.31 (1.40, 3.78)

0.001

 Not completed all the immunization for my child, not informed to come back

2.26 (1.39, 3.65)

0.001

 Availability of children immunization card

0.39 (0.21, 0.68)

0.001

0.35 (0.19, 0.64)

0.001

 Functional facility type in the area

0.35 (0.19, 0.64)

<  0.001

 Health facility conduct routine immunization outreach services

0.36 (0.19, 0.66)

0.001

 Functional facility type in the area

0.20 (9.10, 0.37)

< 0.001

0.15 (0.07, 0.29)

<  0.001

 Inadequate notice about immunization outreach visit to community

0.20 (0.10, 0.37)

<  0.001

 Parity (above 6 children)

0.23 (0.12, 0.42)

< 0.001

0.22 (0.11, 0.42)

<  0.001

 Availability of children immunization card

0.24 (0.12, 0.45)

<  0.001

 Maternal Age

0.11 (0.04, 0.29)

<  0.001

 Vaccinator conduct outreach immunization

0.19 (0.09, 0.36)

<  0.001

 Health facility too far and no transportation to going for immunization

0.22 (0.11, 0.42)

<  0.001

 Vaccinator not happy for coming regularly to the community

0.28 (0.14, 0.53)

<  0.001

 County

7.42(4.28, 12.82)

< 0.001

2.42 (1.15, 5.11)

0.016

 Availability of children immunization card

6.90 (3.63, 13.06)

<  0.001

 Functional facility type in the area

6.60 (3.46, 12.54)

<  0.001

 Health facility conduct routine immunization outreach services

6.94 (3.66, 13.15)

<  0.001

 Frequent provision of immunization at health facility on daily bases

6.90 (3.94, 12.09)

<  0.001

 Vaccinator visit during family livelihood business

6.48 (3.56, 11.76)

<  0.001

 Health facility too far and no transportation to going for immunization

6.07 (3.28, 11.21)

<  0.001

 Not completed all the immunization for my child, not informed to come back

6.59 (3.58, 12.11)

<  0.001

 Inadequate notice about immunization outreach visit to community

6.91 (3.78, 12.61)

<  0.001

 Community leaders discussed immunization importance

2.29 (0.98, 5.35)

0.049

 Are you Parent/guardian of the child

6.38 (3.26, 12.45)

<  0.001

 Availability of children immunization card

7.76(4.50, 13.36)

< 0.001

6.43 (3.40, 12.16)

<  0.001

 Functional facility type in the area

6.81 (3.50, 13.25)

<  0.001

 Health facility conduct routine immunization outreach services

7.61 (3.90, 14.85)

<  0.001

 Frequent provision of immunization at health facility on daily bases

7.52 (4.22, 13.41)

<  0.001

 Vaccinator visit during family livelihood business

6.86 (3.78, 12.45)

<  0.001

 Health facility too far and no transportation to going for immunization

6.57 (3.54, 12.16)

<  0.001

 Not completed all the immunization for my child, not informed to come back

6.98 (3.78, 12.84)

<  0.001

 Inadequate notice about immunization outreach visit to community

6.83 (3.68, 12.63)

<  0.001

 Churches discussed immunization importance

3.14 (1.33, 7.38)

0.006

 Are you Parent/guardian of the child

6.71 (3.44, 13.03)

<  0.001

 Parity (above 6 children)

7.00 (3.87, 12.65)

<  0.001