Table 1.
Demographics of study subjects
| Patient demographics | CON | ALL | AD | ENP | p ALL vs. CON | p AD vs. CON | p ENP vs. CON |
|---|---|---|---|---|---|---|---|
| N | 13 | 8 | 10 | 7 | N/A | N/A | N/A |
| Male (%)ª | 38 | 75 | 60 | 43 | ns | ns | ns |
| Caesarean delivery (%)ª | 38 | 25 | 50 | 29 | ns | ns | ns |
| Gestational age, weeks (mean, SD)º | 37.92, 2.10 | 38.88, 1.13 | 39.10, 1.97 | 39.14, 0.69 | ns | ns | ns |
| Birth weight, kg (mean, SD)º | 2.76, 0.56 | 2.88, 0.45 | 3.25, 0.45 | 3.23, 0.69 | ns | ns | ns |
| Age of Onset, months (mean, SD)º | N/A | 5.12, 3.39 | 4.2, 2.6 | 3.85, 4.4 | N/A | N/A | N/A |
| Breast Feeding 0–6 months (%)ª | 92.31 | 100.00 | 90.00 | 100.00 | ns | ns | ns |
| Formula Feeding 0–6 months (%)ª | 30.70 | 12.50 | 40.00 | 28.50 | ns | ns | ns |
| Solid Food Introduction, months (mean, SD)º | 5.46, 1.71 | 5.87, 0.35 | 6.9, 1.91 | 7.28, 4.78 | ns | ns | ns |
| Playgroup at 6 months (%)ª | 7.69 | 12.50 | 10.00 | 28.57 | ns | ns | ns |
| Maternal antibiotic use during pregnancy (%)ª | 30.77 | 50.00 | 10.00 | 14.29 | ns | ns | ns |
| Exposure to cigarette smoke at home (%)ª | 15.38 | 12.50 | 0.00 | 0.00 | ns | ns | ns |
| Vitamin D deficiency at birth (%)ª | 76.92 | 87.50 | 70.00 | 85.71 | ns | ns | ns |
| Direct familial allergy history-parents/siblings (%)ª | 15.38 | 50.00 | 80.00 | 71.43 | ns | ** | * |
| Indirect familial allergy history-grandparents (%)ª | 0.00 | 37.50 | 40.00 | 0.00 | * | * | ns |
ªChi square used as statistical test
ºKruskal Wallis with Dunn’s multiple comparison used as statistical test