| DTP | Diphtheria, tetanus, and pertussis |
| DTP1 | First dose of the DTP-containing vaccine |
| Penta | Pentavalent vaccine |
| EPI | Expanded Programme on Immunisation |
| RI | Routine immunisation |
| NERICC | National Emergency Routine Immunisation Coordination Committee |
| SIA | Supplementary immunisation activities |
| SBCC | Social and behavioural change communication |
| MDBU | Mean difference from best performing subgroup (unweighted) |