Table 2.
Influenza vaccination coverage among children aged 6–44 months participating in a prospective cohort study in Bangkok, Thailand
| Vaccination coverage | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2011–2012 season n (%) | 2012–2013 season n (%) | |||||||
| N | Full | Partial | Any | N | Full | Partial | Any | |
| Total | 317 | 93 (29.3) | 31 (9.8) | 124 (39.1) | 656 | 197(30.0) | 94 (14.3) | 291 (44.3) |
| 6 to <12 months | 112 | 36 (32.1) | 6 (5.3) | 42 (37.5) | 160 | 51 (31.9) | 17 (10.6) | 68 (42.5) |
| 12 to <24 months | 162 | 41 (25.3) | 16 (9.9) | 57 (35.2) | 291 | 85 (29.2) | 46 (15.8) | 131 (45.0) |
| 24 to <36 months | 43 | 16 (37.2) | 9 (20.9) | 25 (58.1) | 162 | 53 (32.7) | 24 (14.8) | 77 (47.5) |
| ≥36 months | 0 0 | (0.0) | 0 (0.0) | 0(0.0) | 43 8(18.6) | 7(16.3) | 15(34.9) | |
| Healthy | 197 49 | (24.9)* | 19(9.6) | 68(34.5) | 395 | 130(32.9)** | 46(11.6) | 176(44.5) |
| 6 to <12 months | 71 | 16 (22.5) | 2 (2.8) | 18 (25.3) | 96 | 38 (39.6) | 8 (8.3) | 46 (47.9) |
| 12 to <24 months | 100 | 24 (24.0) | 11 (11.0) | 35 (35.0) | 173 | 51 (29.5) | 23 (13.3) | 74 (42.8) |
| 24 to <36 months | 26 | 9 (34.6) | 6 (23.1) | 15 (57.7) | 100 | 37 (37.0) | 12 (12.0) | 49 (49.0) |
| ≥36 months | 0 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 26 4 (15.4) | 3 (11.5) | 7 (26.9) | |
| Underlying comorbidities | 120 | 44 (36.7)* | 12 (10.0) | 56 (46.7) | 261 | 67 (25.7)** | 48 (18.4) | 115 (44.1) |
| 6 to <12 months | 41 | 20 (48.8)*** | 4 (9.7) | 24 (58.5) | 64 | 13 (20.3) | 9 (14.1) | 22 (34.4) |
| 12 to <24 months | 62 | 17 (27.4)*** | 5 (8.1) | 22 (35.5) | 118 | 34 (28.8) | 23 (19.5) | 57 (48.3) |
| 24 to <36 months | 17 | 7 (41.2) | 3 (17.6) | 10 (58.8) | 62 | 16(25.8) | 12 (19.3) | 28 (45.2) |
| ≥36 months | 0 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 17 | 4 (23.5) | 4 (26.5) | 8 (47.0) |
*
Comparing full vaccination between children with underlying comorbidities and healthy children in the 2011–2012 season, P-value = 0.03.
**
Comparing full vaccination between children with underlying comorbidities and healthy children in the 2012–2013 season, P-value = 0.05.
***
Comparing full vaccination between children with underlying comorbidities aged 6 to <12 months and 12 to <24 months in the 2011–2012 season, P-value = 0.03.