TABLE 1

Population characteristics

	Controls	Rhinitis	Asthma	p-value controls–rhinitis	p-value controls–asthma	p-value rhinitis–asthma
Subjects n	24	23	31
Age years	27±5	35±11	36±10	0.003	0.002	0.780
Male/female	5/19	15/8	15/16	0.002	0.035	0.218
Atopy	0	23	31

Data are presented as n or mean±sd, unless otherwise stated.