Table 1.

Demographic data of atopic and non-atopic mothers

Group *	Cases (n)	Maternal age at delivery (years)	Mode of delivery (vaginal/caesarian)	Placental weight (g)	Birth weight (g)	Boy/girl (n)	Siblings (n)
Atopic	50	31 (22–44)†	42/8	597 (300–941)†	3590 (2495–4800)2	28/22	1 (0–3)
Non-atopic	36	33 (23–44)	26/10	620 (468–1030)	3587 (2750–4630)	15/21	2 (1–4)

^*The diagnosis of atopy was based on positive Phadiatop (Pharmacia CAP System RAST FEIA; Pharmacia Diagnostics AB) and/or positive skin prick test. All women in the atopic group had clinical manifestations of atopic disease (rhinoconjunctivitis, asthma or atopic eczema). None of the 37 women in the non-atopic group had symptoms of atopic disease.

^†Median (range).