Table 1. Conditional probabilities of symptom and symptoms history for each class of the 5 class model, STOPPA cohort, age 9–15 years, N = 752.
| Number of cases | Healthy N = 459 |
Early transient wheeze N = 114 |
Current wheeze/Asthma N = 38 |
Mild asthma N = 66 |
Moderate Asthma N = 75 |
|
|---|---|---|---|---|---|---|
| Ever wheeze | 324 | 0.14 | 0.82 | 0.97 | 0.74 | 1.00 |
| Wheezing episode in the last 12 months | 113 | 0 | 0 | 1.00 | 0 | 1.00 |
| -1-3 times | 65 | 0 | 0 | 0.76 | 0 | 0.48 |
| -≥ 4 times | 47 | 0 | 0 | 0.21 | 0 | 0.52 |
| -due to a cold | 84 | 0 | 0 | 0.50 | 0 | 0.87 |
| Ever asthma | 233 | 0.02 | 0.79 | 0.32 | 0.80 | 0.85 |
| age of first asthma, wheezing or breathlessness attack ≤ 2 years | 260 | 0.61 | 0.85 | 0.77 | 0.73 | 0.57 |
| >2 years | 110 | 0.39 | 0.15 | 0.23 | 0.27 | 0.43 |
| -age of last asthma, wheezing or breathlessness attack ≤ 4 years | 76 | 0.17 | 0.59 | 0.40 | 0.42 | 0 |
| >4 years | 143 | 0.83 | 0.41 | 0.60 | 0.58 | 1.00 |
| Current asthma | 140 | 0 | 0 | 0 | 1.00 | 1.00 |
| -asthma diagnosis | 135 | 0 | 0 | 0 | 0.99 | 0.95 |
| -age of asthma diagnosis ≤2yrs | 11 | 0 | 0 | 0 | 0.17 | 0.09 |
| >2yrs | 78 | 0 | 0 | 0 | 0.83 | 0.92 |
| -asthma has limited speech to 1/2 words in between asthma attacks in the last 12 months | 5 | 0 | 0 | 0 | 0 | 0.07 |
| -breathing difficulties due to asthma >once/week in the last 12 months | 78 | 0 | 0 | 0 | 0.30 | 0.77 |
|
-awakened by asthma >once/month in the last 12 months |
8 | 0 | 0 | 0 | 0.03 | 0.08 |
| -disturbed in daily activities due to asthma in the last 12 months | 85 | 0 | 0 | 0 | 0.42 | 0.76 |
| -visited doctor for asthma in the last 12 months | 8 | 0 | 0 | 0 | 0 | 0.11 |
| -admitted to hospital due to asthma in the last 12 months | 2 | 0 | 0 | 0 | 0 | 0.03 |
| Current snoring | 97 | 0.12 | 0.16 | 0.19 | 0.14 | 0.15 |