Table 2.
Vaccination schedule and mean age of receipt among infants
| Vaccine | Recommended age of vaccine receipt in the Philippine EPI | Overalla N = 986 |
Region IIIa N = 328 |
Region VIa N = 316 |
Region Xa N = 342 |
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|---|---|---|---|---|---|---|---|---|---|
| Proportion vaccinated at follow-up, % | Mean age at receipt, weeks (SD) | Proportion vaccinated at follow-up, % | Mean age at receipt, weeks (SD) | Proportion vaccinated at follow-up, % | Mean age at receipt, weeks (SD) | Proportion vaccinated at follow-up, % | Mean age at receipt, weeks (SD) | ||
| BCG birth dose | At birth | 99.8 | 2.7 (4.2) | 100.0 | 2.6 (4.1) | 99.7 | 1.8 (3.1) | 99.7 | 3.7 (5.0) |
| HepB birth dose | At birth | 88.1 | 0.8 (3.0) | 89.0 | 1.2 (2.7) | 96.5 | 0.4 (3.2) | 79.5 | 1.0 (3.2) |
| Penta 1 | 6 weeks | 100.0 | 10.1 (5.0) | 100.0 | 9.6 (4.4) | 100.0 | 9.9 (5.3) | 100.0 | 10.6 (5.3) |
| Penta 2 | 10 weeks | 99.9 | 15.8 (6.3) | 100.0 | 14.8 (4.7) | 100.0 | 15.7 (6.4) | 99.7 | 16.9 (7.2) |
| Penta 3 | 14 weeks | 99.0 | 21.7 (7.7) | 99.1 | 20.1 (5.6) | 100.0 | 22.5 (8.1) | 98.0 | 22.4 (8.6) |
| PCV13 1 | 6 weeks | 99.3 | 10.5 (5.3) | 98.5 | 10.0 (4.8) | 100.0 | 10.7 (5.6) | 99.4 | 10.7 (5.4) |
| PCV13 2 | 10 weeks | 99.0 | 16.4 (6.6) | 98.2 | 15.1 (4.9) | 100.0 | 17.3 (7.6) | 98.3 | 16.9 (6.9) |
| PCV13 3 | 14 weeks | 97.8 | 22.5 (7.6) | 97.9 | 20.2 (5.3) | 99.4 | 24.2 (9.0) | 96.2 | 23.1 (7.5) |
| OPV 1 | 6 weeks | 100.0 | 9.1 (3.6) | 100.0 | 9.0 (3.5) | 100.0 | 8.9 (3.7) | 100.0 | 9.4 (3.7) |
| OPV 2 | 10 weeks | 100.0 | 14.7 (4.8) | 100.0 | 14.2 (3.9) | 100.0 | 14.6 (4.5) | 100.0 | 15.4 (5.6) |
| OPV 3 | 14 weeks | 100.0 | 20.7 (6.1) | 100.0 | 19.4 (4.4) | 100.0 | 21.2 (6.6) | 100.0 | 21.4 (6.7) |
| IPV | 14 weeks | 100.0 | 21.0 (6.4) | 100.0 | 19.6 (4.5) | 100.0 | 21.6 (7.2) | 100.0 | 21.7 (7.0) |
BCG Bacillus Calmette-Guérin, HepB Hepatitis B vaccine, IPV inactivated poliovirus vaccine, OPV oral poliovirus vaccine, PCV13 pneumococcal conjugate vaccine (13-valent), SD standard deviation
aOne sample t test using the recommended age of receipt as fixed value showed a P value of < 0.05 for all vaccines