Vaccination Coverage by 19 and 36 Months of Age Among Preterm and Term/Postterm Infants
| Vaccinea . | 19 Months . | 36 Months . | ||||
|---|---|---|---|---|---|---|
| Preterm, n = 1991 . | Term/Postterm, n = 8302 . | Pb . | Preterm, n = 1727 . | Term/Postterm, n = 7426 . | Pb . | |
| No. (%) . | No. (%) . | No. (%) . | No. (%) . | |||
| DTP/DTaP (4) | 1159 (58.2) | 5399 (65.0) | <.001 | 1313 (76.0) | 6201 (83.5) | <.001 |
| Poliovirus (3) | 1600 (80.4) | 7156 (86.2) | <.001 | 1437 (83.2) | 6625 (89.2) | <.001 |
| MMR (1) | 1669 (83.8) | 6809 (82.0) | .06 | 1540 (89.2) | 6598 (88.9) | .70 |
| Hib (3) | 1737 (87.2) | 7424 (89.4) | .005 | 1546 (89.5) | 6815 (91.8) | .003 |
| Hepatitis B (3) | 1524 (76.5) | 7005 (84.4) | <.001 | 1368 (79.2) | 6457 (87.0) | <.001 |
| Varicella (1) | 1624 (81.6) | 6617 (79.7) | .06 | 1521 (88.1) | 6481 (87.3) | .37 |
| PCV (4) | 1407 (70.7) | 6129 (73.8) | .004 | 1380 (79.9) | 6126 (82.5) | .01 |
| Rotavirus (2) | 1387 (69.7) | 6799 (81.9) | <.001 | — | — | — |
| Hepatitis A (2) | — | — | — | 1173 (67.9) | 5112 (68.8) | .46 |
| Influenzac | 884 (44.4) | 3708 (44.7) | .83 | 430 (24.9) | 1916 (25.8) | .44 |
| Vaccinea . | 19 Months . | 36 Months . | ||||
|---|---|---|---|---|---|---|
| Preterm, n = 1991 . | Term/Postterm, n = 8302 . | Pb . | Preterm, n = 1727 . | Term/Postterm, n = 7426 . | Pb . | |
| No. (%) . | No. (%) . | No. (%) . | No. (%) . | |||
| DTP/DTaP (4) | 1159 (58.2) | 5399 (65.0) | <.001 | 1313 (76.0) | 6201 (83.5) | <.001 |
| Poliovirus (3) | 1600 (80.4) | 7156 (86.2) | <.001 | 1437 (83.2) | 6625 (89.2) | <.001 |
| MMR (1) | 1669 (83.8) | 6809 (82.0) | .06 | 1540 (89.2) | 6598 (88.9) | .70 |
| Hib (3) | 1737 (87.2) | 7424 (89.4) | .005 | 1546 (89.5) | 6815 (91.8) | .003 |
| Hepatitis B (3) | 1524 (76.5) | 7005 (84.4) | <.001 | 1368 (79.2) | 6457 (87.0) | <.001 |
| Varicella (1) | 1624 (81.6) | 6617 (79.7) | .06 | 1521 (88.1) | 6481 (87.3) | .37 |
| PCV (4) | 1407 (70.7) | 6129 (73.8) | .004 | 1380 (79.9) | 6126 (82.5) | .01 |
| Rotavirus (2) | 1387 (69.7) | 6799 (81.9) | <.001 | — | — | — |
| Hepatitis A (2) | — | — | — | 1173 (67.9) | 5112 (68.8) | .46 |
| Influenzac | 884 (44.4) | 3708 (44.7) | .83 | 430 (24.9) | 1916 (25.8) | .44 |
—, not applicable.
No. doses needed for each vaccine is listed in parentheses.
Coverage between preterm versus term/postterm infants was compared by using Pearson’s χ2 test.
Influenza: 2–3 doses (depending on birth month) by 19 mo and 4 doses by 36 mo.