Table 1

Prevalence of respiratory symptoms by sample

All three samples
(N = 17 677)
English representative
(N = 6463)
Scottish representative
(N = 4165)
English inner city
(N = 7049)
p value1-150
n/N%n/N%n/N%n/N%
Asthma attacks1028/154896.6433/59347.3254/40166.3341/55396.20.032
Bronchitis attacks356/151132.4153/58162.655/39321.4148/53852.70.001
Occasional wheeze2196/1556214.1879/595814.8537/401813.4780/558614.00.137
Persistent wheeze728/154954.7215/59373.6133/40023.3380/55866.80.001
Cough first thing in the morning1047/154366.8336/59095.7204/39985.1507/55299.20.001
Cough other times2521/1537516.4830/587114.1498/399712.51193/431421.70.001
Cold goes to chest4043/1555326.01462/596524.5982/402424.41599/556428.70.001
  • 1-150 Testing for differences between samples for each symptom.