Egyptian Pediatric Association Gazette

Table 1 Demographic data of the studied group

From: ISAAC written questionnaire versus incorporating videos before the questionnaire for asthma prevalence among middle schools students in Al-Sharkiya Egyptian Governorate

Variable	(n = 175)
Age (year)
Mean ± SD	13.71 ± 0.79
Range	13 - 15
Variable	No	%
Age
13–	73	41.7
14–	70	40
15	32	18.3
Sex
Male	72	41.1
Female	103	58.9
Residence
Urban	84	48
Rural	91	52
Social class
Low class	58	33.1
Moderate	81	46.3
High	36	20.6

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