Table 2. Prevalence rate of asthma in males and females in three areas [n (%)].

Groups	Male			Female
	n	Prevalence		n	Prevalence
Urban area	6,096	352 (5.77)		5,986	199 (3.32)
Suburban area	2,839	81 (2.85)		2,838	69 (2.43)
Rural area	2,844	88 (3.09)		2,746	54 (1.97)
χ2 value	45.114
P value	<0.001