Characteristic (total number) n (%)
Male (n = 849) 433 (51%)
Number of participants first born in family (n = 851) 482 (57%)
Type of delivery = Vaginal (n = 848) 662 (78%)
Family history of allergy at recruitment; asthma, eczema, rhinitis, food allergy (n = 851) 692 (81%)
Maternal history of allergy at recruitment; asthma, eczema, rhinitis, food allergy (n = 851) 489 (57%)
Maternal FA at recruitment (n = 851) 166 (20%)
Maternal smoking prior to pregnancy (n = 831) 217 (26%)
Maternal education at recruitment (n = 851) No education Secondary school education (up to 16 years of age) Post secondary school education (between 16-18 years of age) Third level education (18 years of age) 13 (2%) 316 (37%) 137 (16%) 385 (45%)
Median breastfeeding duration in days (IQR) 42 (1, 185)
Any breastfeeding; even just 1 feed (n = 846) 652 (77%)
Median age of introduction of solid foods in weeks (IQR) 16 (13, 16)
Number of infants introducing solids by 3 months (n = 834) 180 (22%)
Median age of introduction of infant formula in days (IQR) 21 (0, 56)
Eczema at 3 months (n = 825) 179 (22%)
Eczema at 6 months (n = 826) 382 (46%)
Eczema at 12 months (n = 831) 484 (58%)
Food SPT at 1 year (n = 763) 17 (2%)
Food SPT at 2 years (n = 658) 25 (4%)
Food SPT at 3 years (n = 670) 29 (4%)
Food SPT at 10 years (n = 589) 87 (15%)
Any food SPT over the first 10 years of life (n=851) 109 (13%)
Specific IgE at 10 year (n=246) 56 (23%)