Change in symptoms ECRHS1-ECRHS3

SymptomPrevalence (%) at ECRHS1Absolute change in prevalence (%) over 20 yrs (95% CI)
Wheeze20.8-2.0 (-3.1 to -0.9)
Wheeze + SOB9.60.9 ( 0.0 to 1.7)
Wheeze - no cold12.5-1.3 (-2.2 to -0.4)
Woken by chest tightness12.9-1.4 (-3.0 to 0.3)
Woken by SOB5.50.9 (-0.2 to 1.9)
Woken by coughing27.40.8 (-0.8 to 2.4)
Asthma attack3.40.7 (0.2 to 1.2)
Use asthma medication3.43.5 (2.8 to 4.1)