Table 1.

Detailed characteristics of mothers participating in this study

Allergy status	No.	Median age	Min	Max	Pollen	Mites	Dust	Cat dander	Food	Metal	Medicaments	Insects	Eczema	Others	10–90 percentile IgE (r) IU/ml	10–90 percentile IgE (f) IU/ml
Allergic mothers	76	31	24	37	27	9	14	2	8	2	35	6	7	18	0·21–5·59	0·11–2·49
Non-allergic mothers	77	32	20	39											0·20–1·36	0·13–0·67

r: Specific IgE to a mixture of respiratory allergens; f: specific immunoglobulin (Ig)E to a mixture of food allergens.