Table 3.

 Effect of potential predictors on prevalence of persistent wheeze among children with baseline wheeze adjusted for other potential predictors and cohort effect (n=201)

Variable	Adjusted odds ratio (95% CI)	P value
>3 attacks of wheeze in past year	1.53 (0.70 to 3.35)	0.29
Woken by wheeze	1.71 (0.80 to 3.66)	0.17
Speech affected by wheeze	0.82 (0.32 to 2.08)	0.67
Exercise induced wheeze	3.94 (1.72 to 9.00)	0.001
Age (one year)	1.29 (0.91 to 1.82)	0.15
Boy	1.99 (0.95 to 4.16)	0.07
History of atopic disorders*	4.44 (1.94 to 10.13)	<0.001
Family history of asthma	0.58 (0.17 to 2.04)	0.40
Cohort (reference 1995-2001):
1993-2001	0.31 (0.06 to 1.48)	0.14
1995-2004	0.28 (0.04 to 1.84)	0.19
1993-2004	0.07 (0.005 to 1.02)	0.05
Overall cohort effect	—	0.23

*Hay fever or eczema.