Table 1.

Demographic data and selected health-related information on study participants

	All Children	Male children	Female children	Mothers	Fathers
N (650)	359	190 (53%)	169 (47%)	130	100
Born in Sweden	318 (89%)	169 (89%)	150 (89%)	0	0
Age(yrs ± SD)	7.06 (3.8)	6.9 (3.8)	7.3 (3.8)	32.7 (6.1)	39.3 (9.0)
Crowded living quarters (%)	255 (71%)	133 (70)	122 (72)	90 (69)	73 (73)
Asthma (phys-diag.)	83 (23%)	50 (26%)	33 (19.5%)	6 (5%)	7 (7%)
Asthma medication	54 (15%)	35 (18%)	19 (11%)	n.a.	n.a

Family origin: Iraq (30%); Lebanon (25%); Balkans (17%); other Near and Middle East countries (Iran, Jordan, Syria) (11%); Somalia (9%); other countries (Afghanistan, Pakistan, Algeria, Egypt, Libya, Turkey, Italy, Slovakia, Chile, and South Africa) (8%)