PFAS (n=44, 4.7%) Non-PFAS (n=886, 95.3%)
P-value
Age, year 8.48 ± 1.3 8.00 ± 1.3 0.016
Sex (% male) 50.0 52.8 0.758
Age at onset, years 6.74 ± 1.6 NA NA
Parental history of allergic disease 58.1% 47.8% 0.212
Gestational age, weeks 39.1 ± 1.3 39.1±1.2 0.746
Birth weight, g 3197.2 ± 341.0 3166.4±415.2 0.632
Breastfeeding 45.5% 61.8% 0.038
Delivery type (cesarean section) 34.1% 34.0% 1.000
Antibiotics before 1 year of age 77.3% 72.0% 0.495
Comorbidities (6–10 years of age)
Atopy at 7 years of age 65.6% 46.8% 0.045
Asthma 7.3% 5.0% 0.461
Atopic dermatitis 31.7% 15.9% 0.016
Allergic rhinitis 75.6% 47.6% 0.001