Table 6

 Mean BTS asthma step

199920002001Change 1999–2000 (where both available)p Value changes,
ICICICICI v C
BTS, British Thoracic Society; C, control; I, intervention.
Number (adults/children)20/3625/4518/2820/286/1513/2414/2513/27
Adults1.51.31.31.42.01.9–0.1–0.20.72
Children0.81.10.61.20.80.9–0.2–0.10.59