From: Eczema phenotypes and risk of allergic and respiratory conditions in school age children
Subjects n = 4277 | |
---|---|
Maternal characteristics | |
Age at enrollment, years mean (SD) | 31.7 (4.5) |
Parity, nulliparous % (n) | 59 (2526) |
Maternal education, higher % (n) | 59 (2510) |
History of eczema, allergy and asthma, yes % (n) | 61 (2597) |
Child characteristics | |
Sex, female % (n) | 51 (2181) |
Gestational age at birth, weeks median (2.5–97.5th percentile)a | 40.1 (35.5–42.3) |
Birth weight, grams mean (SD)a | 3443.1 (566.9) |
Ethnicity, non-European % (n) | 24 (1006) |
Breastfeeding, ever % (n) | 93 (3961) |
Eczema, ever % (n)a | 23 (859) |
Eczema phenotypes % (n) | |
Never | 76 (3229) |
Early transient | 9 (363) |
Mid-transient | 6 (259) |
Late transient | 8 (333) |
Persistent | 2 (93) |
Current asthma, yes % (n)b | 5 (203) |
Inhalant sensitization, yes % (n)b | 32 (985) |
Food sensitization, yes % (n)b | 7 (209) |
Physician diagnosed inhalant allergy, yes % (n)b | 12 (447) |
Allergic rhinitis, yes % (n)a | 20.6 (734) |
Physician diagnosed food allergy, yes % (n)b | 2 (79) |
Lung function, Z-scores mean (SD)a | |
FVC | 0.18 (0.91) |
FEV1 | 0.13 (0.96) |
FEV1/FVC | − 0.12 (0.95) |
FEF75 | − 0.00 (0.91) |