Table 1.

Population characteristics.

Parameter		Inhalant allergy (n = 1604)		Food allergy (n = 300)
		Frequency/mean	%/SD	Frequency/mean	%/SD
Gender	Male	650	40.5	118	60.7
	Female	954	59.5	182	39.3
Age		38.5	19.1	34.3	20.4
Nationality	Arabia	1222	76.2	196	65.3
	Middle East	134	8.4	32	10.7
	Asia	142	8.9	51	17.0
	Africa	91	5.6	16	5.3
	Others	15	0.9	5	1.7
IgE level		426.9	1083.3	299.45	775.78