Total | Intradermal vaccine | Adjuvanted vaccine | |
---|---|---|---|
N = 795 | N = 398 | N = 397 | |
Mean age (years; SD) | 74.3 (6.4) | 73.9 (6.3) | 74.7 (6.6) |
- over 75 (n; %) | 329 (41.4) | 154 (38.7) | 175 (44.1) |
Males (n; %) | 370 (46.5) | 194 (48.7) | 176 (44.3) |
Mean body mass index (kg/m2; SD) | 27.1 (4.5) | 27.0 (4.5) | 27.2 (4.5) |
Past or current significant medical history (n; %) | 715 (89.9) | 358 (89.9) | 357 (89.9) |
- risk factor a (n; %) | 419 (52.7) | 216 (54.3) | 203 (51.1) |
- history of allergy b (n; %) | 67 (8.4) | 29 (7.3) | 38 (9.6) |
Last influenza vaccination c | |||
- previous season 2006-2007 (n; %) | 576 (72.5) | 287 (72.1) | 289 (72.8) |
- prior to previous season (n; %) | 57 (7.2) | 26 (6.5) | 31 (7.8) |