Table 2.

Patients characteristics

Variable	No. of Patients, %
Age, years
0–5	74 (26.2)
6–12	124 (43.8)
13–18	85 (30.0)
Sex
Male	173 (61.1)
Female	110 (38.9)
Mother’s educational level
No education	1 (0.4)
Primary and secondary school	5 (1.8)
High school	42 (14.8)
Professional education	110 (38.9)
Bachelor degree	97 (34.3)
Master degree	27 (9.5)
Father’s educational level
No education	3 (1.1)
Primary and secondary school	7 (2.5)
High school	54 (19.1)
Professional education	103 (36.4)
Bachelor degree	63 (22.3)
Master degree	50 (17.7)
Native country responder
The Netherlands	266 (94.0)
Morocco	10 (3.5)
Other than above	7 (2.5)
	Mean (SD)
Duration airway problems in our hospital (years)	5.0 (4.36)
Time since diagnosis (years)	5.42 (4.54)
Severity of asthma according to the parents (0–10)	4.28 (1.97)