Mean asthma symptom score and asthma step by age, year, and group: adults
| 1999 | 2000 | 2001 | Change 1999–2000 (where both available) | p Value changes, | |||||
|---|---|---|---|---|---|---|---|---|---|
| I | C | I | C | I | C | I | C | I v C | |
| C, control; I, intervention. | |||||||||
| Number | 20 | 25 | 18 | 20 | 9 | 19 | 14 | 13 | |
| Breathless on exercise | 3.7 | 3.8 | 3.3 | 3.2 | 3.3 | 3.0 | –0.3 | –0.6 | 0.62 |
| Breathless not on exercise | 2.6 | 2.0 | 2.0 | 2.1 | 2.2 | 2.0 | –0.6 | +0.2 | 0.38 |
| Wheeze day | 2.3 | 2.6 | 2.2 | 2.7 | 2.4 | 2.3 | –0.4 | +0.4 | 0.26 |
| Wheeze night | 2.9 | 2.2 | 2.5 | 2.0 | 2.7 | 2.3 | –0.6 | +0.1 | 0.38 |
| Cough day | 2.5 | 2.4 | 2.2 | 2.8 | 3.0 | 2.4 | –0.4 | +0.3 | 0.30 |
| Cough night | 2.4 | 2.0 | 2.5 | 2.7 | 2.9 | 2.5 | –0.1 | +0.7 | 0.14 |
| Summed score | 16.4 | 15.0 | 14.7 | 15.4 | 16.6 | 14.3 | –2.3 | +1.1 | 0.006 |