Table 2 Video questionnaire responses, participants 11 to 14 years (participants 13 to 14 years in parentheses)

Wheezing at rest

(Sequence 1)

2,361

(823)

29.3%

(27.8%)

19.1%

(17.1%)

9.6%

(8.1%)

Waking with wheezing at night

(Sequence 2)

2,347

(815)

35.0%

(34.2%)

27.2%

(27.4%)

14.5%

(15.5%)

Wheezing after exercise

(Sequence 3)

2,341

(815)

24.8%

(23.0%)

14.7%

(12.8%)

7.0%

(5.1%)

Waking with coughing at night

(Sequence 4)

2,345

(817)

30.4%

(27.6%)

18.2%

(18.2%)

7.8%

(7.2%)

Distressing wheezing at rest

(Sequence 5)

2,340

(815)

18.3%

(14.3%)

11.0%

(8.8%)

5.0%

(4.0%)