Crude | Adjusted† | |||||||||
Campaign information | Rate/1000 PYRS (deaths/PYRS) | MRR (95% CI) | p For interaction VAS and vaccine | Boys: MRR (95% CI) | Girls: MRR (95% CI) | MRR (95% CI) | p For interaction VAS and vaccine | Boys: MRR (95% CI) | Girls: MRR (95% CI) | |
Last received vaccine before the campaign§ | ||||||||||
OPV | VAS | 14.1 (8/569) | p=0.09‡ | 0.16 | p=0.05‡ | p=0.19‡ | NA | NA | NA | NA |
No VAS | 0 (0/203) | |||||||||
MV | VAS | 11.3 (10/882) | 0.41 (0.17 to 1.01) | 0.06 | 0.38 (0.12 to 1.19) | 0.47 (0.11 to 2.11) | 0.34 (0.14 to 0.85) | 0.04 | 0.31 (0.10 to 0.96) | 0.41 (0.09 to 1.85) |
No VAS | 26.9 (9/335) | |||||||||
DTP | VAS | 20.1 (21/1041) | 1.41 (0.57 to 3.51) | Reference | 1.48 (0.41 to 5.32) | 1.34 (0.37 to 4.87) | 1.29 (0.52 to 3.22) | Reference | 1.37 (0.39 to 4.93) | 1.21 (0.33 to 4.43) |
No VAS | 14.5 (6/414) | |||||||||
DTP+MV | VAS | 16.5 (1/61) | 0.24 (0.02 to 2.62) | 0.17 | 0 | NA | 0.21 (0.02 to 2.30) | 0.16 | 0 | NA |
No VAS | 63.3 (2/32) |
↵* Assessed among children with a seen vaccination card, thus excluding six deaths among children with no seen card (three VAS and three no VAS).
↵† Adjusted for sex, campaign, ethnicity and maternal education.
↵‡ Test for different mortality rate in supplemented and non-supplemented children.
↵§ Fifty-seven children with BCG or no vaccination excluded due to small numbers (one death: VAS).DTP, diphtheria–tetanus–pertussis vaccine; MV, measles vaccine; MRR, mortality rate ratio; OPV, oral polio vaccine; PYRS, person-years; VAS, vitamin A supplementation.