TABLE 1.

Demographics for the subjects on inhaled corticosteroids in the CAMP^a, BAMSE^b, and GACRS^c cohorts

	CAMP (n = 154)	BAMSE (n = 72)	GACRS (n = 168)
Age (mean ± SD)	9.8 (±2.0)	8.3 (±0.4)	9.2 (±2.0)
Age at asthma onset (median ± IQR)	2.0 (±3.0)	4.0 (±2.7)	2.0 (±3.2)
Gender
Female	64 (41.6%)	26 (36.1%)	69 (41.1%)
Male	90 (58.4%)	46 (63.9%)	99 (58.9%)
EDd visit and/or hospitalization in the past year
No	137 (89.0%)	43 (59.7%)	40 (23.8%)
Yes	17 (11.0%)	29 (40.3%)	128 (76.2%)
Oral corticosteroid use in the past year
No	80 (54.4%)	-	60 (35.7%)
Yes	67 (45.6%)	-	108 (64.3%)
History of atopy
No	113 (73.4%)	25 (34.7%)	18 (14.2%)
Yes	41 (26.6%)	47 (65.3%)	109 (85.8%)
History of parental smokinge
No	101 (66.0%)	63 (87.5%)	132 (79.5%)
Yes	52 (34.0%)	9 (12.5%)	34 (20.5%)
History of parental asthma
No	78 (53.1%)	41 (60.3%)	90 (53.9%)
Yes	69 (46.9%)	27 (39.7%)	77 (46.1%)
IgE sensitizationf	133 (86.4%)	52 (72.2%)	123 (73.7%)

^aChildhood Asthma Management Program.

^bSwedish abbreviation for Children, Allergy, Milieu, Stockholm, Epidemiology.

^cGenetic Epidemiology of Asthma in Costa Rica Study.

^dEmergency department.

^eIn BAMSE, history of parental smoking was defined as positive if the mother smoked at least one cigarette per day at the time of the baseline questionnaire and/or smoked at least one cigarette per day at any point of time during the pregnancy.

^fIn CAMP, IgE sensitization was defined as any positive aeroallergen skin prick test. In BAMSE and GACRS, IgE sensitization was defined as any positive aeroallergen and/or food specific IgE (≥0.35 kU/L).