Characteristic EP, N = 701 ET, N = 361 LP, N = 2411 p-value2
wh1 6 (8.6%) 3 (8.3%) 8 (3.3%) 0.083
wh2 20 (29%) 13 (36%) 3 (1.2%) <0.001
wh3 28 (40%) 18 (50%) 4 (1.7%) <0.001
wh4 40 (57%) 0 (0%) 5 (2.1%) <0.001
wh5 27 (39%) 13 (36%) 9 (3.7%) <0.001
wh6 46 (66%) 0 (0%) 11 (4.6%) <0.001
birthweight 3.60 (3.20, 3.90) 3.45 (3.27, 3.82) 3.50 (3.20, 3.90) >0.9
GA
36 1 (1.4%) 0 (0%) 2 (0.8%)
37 7 (10%) 3 (8.3%) 9 (3.7%)
38 12 (17%) 6 (17%) 39 (16%)
39 11 (16%) 4 (11%) 47 (20%)
40 24 (34%) 14 (39%) 93 (39%)
41 13 (19%) 8 (22%) 48 (20%)
42 2 (2.9%) 1 (2.8%) 3 (1.2%)
birthmode 15 (21%) 7 (19%) 52 (22%) >0.9
Pets_PN 21 (30%) 9 (25%) 85 (35%) 0.4
Smokers_PN 21 (30%) 13 (36%) 47 (20%) 0.030
Mom_Asthma 35 (50%) 14 (39%) 96 (40%) 0.3
Mom_HayFever 40 (57%) 14 (39%) 138 (57%) 0.11
Mom_Eczema 29 (41%) 11 (31%) 89 (37%) 0.5
Mom_Hives 36 (51%) 14 (39%) 92 (38%) 0.13
MoM_FoodAllergy 29 (41%) 9 (25%) 78 (32%) 0.2
FirstBorn 26 (37%) 15 (42%) 105 (44%) 0.6
mom_PS 49 (70%) 28 (78%) 188 (78%) 0.4
mom_atopy 56 (80%) 26 (72%) 192 (80%) 0.6
Dad_Asthma 27 (39%) 16 (44%) 85 (35%) 0.5
Dad_HayFever 26 (37%) 18 (50%) 136 (56%) 0.017
Dad_Eczema 11 (16%) 11 (31%) 55 (23%) 0.2
Dad_Hives 15 (21%) 7 (19%) 52 (22%) >0.9
Dad_FoodAllergy 16 (23%) 12 (33%) 72 (30%) 0.4
dad_atopy 45 (64%) 26 (72%) 180 (75%) 0.2
sex 43 (61%) 22 (61%) 120 (50%) 0.14
Intervention 28 (40%) 24 (67%) 122 (51%) 0.033
CityR 49 (70%) 24 (67%) 115 (48%) 0.001
Peanuts 33 (47%) 11 (31%) 103 (43%) 0.3
Nuts 22 (31%) 11 (31%) 61 (25%) 0.5
Fish 31 (44%) 8 (22%) 82 (34%) 0.069
Seafood 16 (23%) 11 (31%) 50 (21%) 0.4
Eggs 49 (70%) 24 (67%) 156 (65%) 0.7
BFexcl_4m 16 (23%) 13 (36%) 89 (37%) 0.088
BF_12m 19 (27%) 16 (44%) 83 (34%) 0.2
baby_care_home_24m 53 (76%) 28 (78%) 176 (73%) 0.8
atopy_1y 22 (31%) 5 (14%) 49 (20%) 0.067
atopy_2y 18 (26%) 3 (8.3%) 34 (14%) 0.028
bmed2 0 (0%) 0 (0%) 0 (0%)
bmed3 13 (19%) 6 (17%) 4 (1.7%) <0.001
bmed4 <0.001
0 50 (71%) 27 (75%) 217 (90%)
1 19 (27%) 9 (25%) 24 (10.0%)
2 1 (1.4%) 0 (0%) 0 (0%)
bmed5 22 (31%) 10 (28%) 38 (16%) 0.008
bmed6 39 (56%) 9 (25%) 64 (27%) <0.001
bmed7 49 (70%) 9 (25%) 94 (39%) <0.001
antib5 47 (67%) 20 (56%) 119 (49%) 0.031
antib7 38 (54%) 10 (28%) 91 (38%) 0.013

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

2 Statistical tests performed: Fisher's exact test; chi-square test of independence; Kruskal-Wallis test