Table 5 Mean asthma symptom score and asthma step by age, year, and group: children.
| 1999 | 2000 | 2001 | Change 1999–2000 | p Value changes, | |||||
|---|---|---|---|---|---|---|---|---|---|
| (where both available) | |||||||||
| I | C | I | C | I | C | I | C | I v C | |
| Number | 36 | 45 | 28 | 29 | 20 | 27 | 25 | 27 | |
| Breathless on exercise | 2.3 | 2.8 | 2.1 | 2.4 | 1.9 | 1.8 | –0.4 | –0.2 | 0.42 |
| Breathless not on exercise | 1.5 | 1.8 | 1.3 | 1.6 | 1.3 | 1.3 | –0.2 | 0.0 | 0.21 |
| Wheeze day | 2.0 | 2.3 | 1.8 | 1.9 | 1.5 | 1.4 | –0.2 | 0.0 | 0.38 |
| Wheeze night | 1.9 | 2.4 | 1.8 | 1.8 | 1.6 | 1.4 | –0.3 | –0.2 | 0.51 |
| Cough day | 2.7 | 2.6 | 2.4 | 2.3 | 2.2 | 2.0 | –0.5 | –0.2 | 0.58 |
| Cough night | 2.7 | 2.7 | 2.3 | 2.2 | 2.3 | 2.2 | –0.6 | –0.3 | 0.27 |
| Summed score | 12.9 | 14.6 | 11.8 | 12.2 | 10.7 | 10.1 | –1.8 | –1.0 | 0.17 |
C, control; I, intervention.