Variable | 1st pilot | 2nd pilot | P value | |||
---|---|---|---|---|---|---|
(n = 175) | (n = 175) | |||||
No | % | No | % | |||
Had wheeze in the chest at any time before | No | 105 | 60 | 155 | 88.6 | < 0.001a |
Yes | 70 | 40 | 20 | 11.4 | ||
Had wheeze in the last 12 months | No | 120 | 68.6 | 166 | 94.9 | < 0.001a |
Yes | 55 | 31.4 | 9 | 5.1 | ||
Frequency of wheeze | 1–3 times | 43 | 24.6 | 7 | 4 | < 0.001b |
4–12 times | 9 | 5.1 | 0 | 0 | ||
> 12 times | 3 | 1.7 | 2 | 1.1 | ||
Wheeze cause awakening from sleep | No | 140 | 80 | 167 | 95.4 | < 0.001a |
< 1 night/week | 28 | 16 | 6 | 3.4 | ||
≥ 1 night/week | 7 | 4 | 2 | 1.1 | ||
Wheeze affect talking | No | 129 | 73.7 | 169 | 96.6 | < 0.001a |
Yes | 46 | 26.3 | 6 | 3.4 | ||
Had asthma any time before | No | 104 | 59.4 | 154 | 88 | < 0.001a |
Yes | 71 | 40.6 | 21 | 12 | ||
Had wheeze in the last 12 months after exercise: | No | 84 | 48 | 154 | 88 | < 0.001a |
Yes | 91 | 52 | 21 | 12 | ||
Had dry cough in the last 12 months | No | 79 | 45.1 | 159 | 90.9 | < 0.001a |
Yes | 96 | 54.9 | 16 | 9.1 |