Table 1.
Subject demographic characteristics at baseline.
| Characteristic | aTIV (n = 144) | TIV (n = 143) |
|---|---|---|
| Age, mean ± SD, months | 29.5 ± 18.2 | 30.1 ± 19.1 |
| Age group, n (%) | ||
| 6 to <18 months | 47 (33) | 48 (34) |
| 18 to <36 months | 47 (33) | 49 (34) |
| 36 to <72 months | 50 (35) | 46 (32) |
| Male:female, % | 53:47 | 50:50 |
| Race, n (%) | ||
| Hispanic | 143 (99) | 142 (99) |
| White | 1 (1) | 1 (1) |
| Mean ± SD weight, kg | 12.6 ± 3.6 | 13.0 ± 4.3 |
| Mean ± SD height, cm | 86.1 ± 12.9 | 87.1 ± 13.6 |
| Mean ± SD body mass index, kg/m2 | 16.8 ± 2.2 | 16.8 ± 1.9 |
| Vaccination status, n (%) | ||
| Naïve | 77 (53) | 79 (55) |
| Non-naïve | 67 (47) | 64 (45) |
aTIV, adjuvanted trivalent influenza vaccine; SD, standard deviation; TIV, trivalent influenza vaccine.