| Vaccine | Placebo |
At inclusion visits n | 347 | 349 |
Age yrs | 10.5±3.2 | 10.6±3.3 |
Females % | 48.1 | 43.6 |
Age of onset of asthma yrs | 3.5±3.8 | 3.3±3.4 |
Ever vaccinated for influenza % | 53.6 | 56.7 |
History of allergy % | 73.5 | 66.1 |
Child born in the Netherlands % | 97.7 | 98.9 |
FEV1 % predicted | 89.5±16.1 | 88.9±16.0 |
At baseline visits | | |
Quality of life¶ n | 331 | 331 |
Total score | 6.16 | 6.16 |
Activities | 5.60 | 5.60 |
Emotions | 6.63 | 6.63 |
Symptoms | 6.05 | 6.05 |
Spirometry n | 332 | 337 |
FEV1 | | |
Mean | 2.13±0.76 | 2.13±0.80 |
% predicted | 93±14 | 92±13 |
FVC | | |
Mean | 2.43±0.88 | 2.43±0.96 |
% predicted | 92±14 | 90±14 |
MEF50 | | |
Mean | 2.68±1.10 | 2.66±1.0 |
% predicted | 90±25 | 90±24 |
MEF25 | | |
Mean | 1.42±0.71 | 1.42±0.67 |
% predicted | 94±36 | 96±36 |