Table 3
Percentage of children developing asthma by 11.5 years of age (who were asymptomatic at 3.5 years of age) with and without bronchial hyper-responsiveness (BHR) according to TV viewing
TV viewing
Percentage of children with asthma, % (n)
No BHR
BHR
Not at all
3.2 (1/31)
33.3 (2/6)
<1 h/day
2.0 (8/410)
11.5 (6/52)
1–2 h/day
2.7 (18/656)
17.0 (16/94)
>2 h/day
4.6 (14/304)
28.3 (13/46)