Characteristic EP, N = 181 ET, N = 91 LP, N = 621 p-value2
wh1 2 (11%) 1 (11%) 1 (1.6%) 0.11
wh2 8 (44%) 2 (22%) 0 (0%) <0.001
wh3 5 (28%) 3 (33%) 1 (1.6%) <0.001
wh4 7 (39%) 0 (0%) 4 (6.5%) 0.003
birthweight 3.60 (3.40, 3.80) 3.30 (3.10, 3.70) 3.50 (3.10, 3.80) 0.4
GA 0.8
37 1 (5.6%) 0 (0%) 3 (4.8%)
38 2 (11%) 4 (44%) 10 (16%)
39 4 (22%) 0 (0%) 12 (19%)
40 7 (39%) 4 (44%) 26 (42%)
41 3 (17%) 1 (11%) 9 (15%)
42 1 (5.6%) 0 (0%) 2 (3.2%)
birthmode 6 (33%) 2 (22%) 15 (24%) 0.7
Pets_PN 6 (33%) 3 (33%) 23 (37%) >0.9
Smokers_PN 4 (22%) 3 (33%) 17 (27%) 0.8
Mom_Asthma 7 (39%) 4 (44%) 23 (37%) >0.9
Mom_HayFever 10 (56%) 1 (11%) 35 (56%) 0.038
Mom_Eczema 8 (44%) 3 (33%) 24 (39%) 0.9
Mom_Hives 4 (22%) 5 (56%) 26 (42%) 0.2
MoM_FoodAllergy 4 (22%) 4 (44%) 23 (37%) 0.4
FirstBorn 10 (56%) 4 (44%) 28 (45%) 0.8
mom_PS 15 (83%) 8 (89%) 51 (82%) >0.9
mom_atopy 13 (72%) 6 (67%) 52 (84%) 0.3
Dad_Asthma 11 (61%) 4 (44%) 24 (39%) 0.2
Dad_HayFever 8 (44%) 4 (44%) 31 (50%) >0.9
Dad_Eczema 6 (33%) 5 (56%) 10 (16%) 0.021
Dad_Hives 5 (28%) 2 (22%) 16 (26%) >0.9
Dad_FoodAllergy 6 (33%) 3 (33%) 19 (31%) >0.9
dad_atopy 15 (83%) 5 (56%) 46 (74%) 0.3
sex 13 (72%) 3 (33%) 32 (52%) 0.14
Intervention 9 (50%) 5 (56%) 34 (55%) >0.9
CityR 10 (56%) 7 (78%) 27 (44%) 0.14
Peanuts 6 (33%) 5 (56%) 20 (32%) 0.4
Nuts 6 (33%) 3 (33%) 14 (23%) 0.5
Fish 6 (33%) 2 (22%) 17 (27%) 0.9
Seafood 3 (17%) 2 (22%) 15 (24%) >0.9
Eggs 13 (72%) 6 (67%) 43 (69%) >0.9
BFexcl_4m 7 (39%) 4 (44%) 26 (42%) >0.9
BF_12m 8 (44%) 2 (22%) 17 (27%) 0.4
atopy_1y 4 (22%) 1 (11%) 13 (21%) 0.8
bmed2 0 (0%) 0 (0%) 0 (0%)
bmed3 7 (39%) 1 (11%) 3 (4.8%) 0.001
bmed4 4 (22%) 0 (0%) 4 (6.5%) 0.10

1 Statistics presented: n (%); median (IQR)

2 Statistical tests performed: Fisher's exact test; Kruskal-Wallis test