Health indicators for DTP vaccinated and DTP unvaccinated children at the 2-month visit
| DTP unvaccinated | DTP vaccinated | ||
|---|---|---|---|
| Variable | N=618 | N=1212 | Difference for vaccinated compared with unvaccinated (95% CI) |
| Median age at visit (boys), days | 64 | 66 | p<0.001 (Kruskal–Wallis) |
| Median age at visit (girls), days | 65 | 65 | p=0.152 |
| Mean maternal MUAC, mm | 236 | 241 | 5.1 (2.4 to 7.8) |
| Mean Ballard score at birth | 35 (N=585) | 37 (N=1073) | 2.4 (1.8 to 3.0) |
| Mean birth weight, kg | 2.060 | 2.200 | p<0.001 (Kruskal–Wallis) |
| Mean weight gain between enrolment and 2-month visit, kg | 1.937 | 2.275 | 0.338 (0.273 to 0.402) |
| Mean weight at 2 months, kg | 3.901 | 4.406 | 0.505 (0.426 to 0.585) |
| Weight-for-age z score (SD) | −3.1 (1.7) | −2.3 (1.2) | 0.74 (0.60 to 0.88) |
| Mean length at 2 months, cm | 52 | 54 | 1.7 (1.4 to 2.0) |
| Height-for-age z score (SD) | −2.7 (1.6) | −1.8 (1.1) | 0.84 (0.72 to 0.97) |
| Mean MUAC at 2 months, mm | 106 | 115 | 8.4 (6.9 to 9.7) |
| Mean head circumference at 2 months, mm | 371 | 378 | 8 (6 to 9) |
| Mean abdominal circumference at 2 months, mm | 336 | 350 | 15 (12 to 18) |
Differences were similar for boys and girls except for age at enrolment.
DTP, diphtheria-tetanus-pertussis; MUAC, mid-upper arm circumference.