Table 2.
Main analysis: mortality of children visited between 9 and 17 months of age according to vaccination group
| Vaccination status | Observations N |
MR per 1000 PYRS (deaths/PYRS) |
MRR (95% CI) | Boys | Girls | ||||
| Observations N |
MR per 1000 PYRS (deaths/PYRS) |
MRR (95% CI) | Observations N |
MR per 1000 PYRS (deaths/PYRS) |
MRR (95% CI) |
||||
| DTP<MV | 1590 | 32.6 (16/491) | Ref | 834 | 34.8 (9/258) | Ref | 756 | 30.1 (7/232) | Ref |
| DTP=MV | 1491 | 63.7 (29/455) | 2.30 (1.15 to 4.58) | 729 | 63.6 (14/220) | 2.08 (0.83 to 5.26) | 762 | 63.8 (15/235) | 2.50 (0.88 to 7.12) |
| DTP>MV | 493 | 43.1 (5/116) | 1.45 (0.50 to 4.22) | 255 | 51.5 (3/58) | 1.48 (0.37 to 5.88) | 238 | 34.6 (2/58) | 1.38 (0.25 to 7.52) |
| DTP, no MV | 1816 | 78.8 (57/723) | 2.57 (1.37 to 4.83) | 931 | 102.3 (38/372) | 3.41 (1.50 to 7.77) | 885 | 54.1 (19/351) | 1.67 (0.62 to 4.50) |
| No DTP, no MV | 547 | 111.3 (22/198) | 3.04 (1.41 to 6.55) | 290 | 95.3 (10/105) | 2.77 (0.97 to 7.97) | 257 | 129.5 (12/93) | 3.28 (1.06 to 10.12) |
| Out-of-sequence vaccinations combined DTP≥MV | 1984 | 59.5 (34/571) | 2.10 (1.07 to 4.11) | 984 | 61.1 (17/278) | 1.96 (0.80 to 4.78) | 1000 | 58.0 (17/293) | 2.25 (0.81 to 6.30) |
MRRs were calculated using Cox proportional hazards models with age as underlying time, stratified by sex and village cluster.
DTP, diphtheria-tetanus-pertussis vaccine; MRR, mortality rate ratio; MV, measles vaccine; PYRS, per 1000 person years.