Table 1. Prevalence of asthma and respiratory symptoms among pupils (N = 462) from junior high schools in Johor Bahru, Malaysia.

Symptoms	Overall (%)	Male (%)	Female (%)	P-value	Malay (%)	Chinese (%)	Indian (%)	P-value
Doctor’s diagnosed asthma	13.1	15.6	10.6	0.11	19.9	9.3	4.3	0.001
Wheeze or whistling in the chest	10.3	9.5	11.0	0.58	14.8	8.9	1.4	0.005
Any daytime breathlessness (rest or exercise)	40.5	32.4	48.1	0.001	43.6	41.5	29.4	0.12
Nocturnal attacks of shortness of breath	7.0	5.4	8.5	0.19	10.7	5.2	1.5	0.02
Airway infections in the last 3 months	18.8	12.1	25.2	<0.001	23.4	15.9	27.5	0.10
Pollen or fury pet allergy (atopy)	21.1	13.5	28.4	<0.001	28.2	11.9	14.5	<0.001

Data on total prevalence and gender differences obtained from ref. 30.