Table 3. Severity of current wheezing.

Severity indices	Prevalence, %
Number of wheezing episodes in 12 months
≤3	80.3
4–12	9.1
> 12	10.6
Sleep disturbed by wheezing
Never	57.6
< 1/week	30.3
≥ 1/week	12.1
Limitation of speech to one or two words during wheezing
Yes	43.9
No	56.1