Table 1.
Participant characteristics.
| Characteristic | Allergy (n = 41) | No Allergy (n = 80) | P value |
|---|---|---|---|
| Mother | |||
| Age (yr) | 28.9 (5.4) | 30.3 (5.8) | 0.18 |
| Body Mass Index (kg.m−2) | 27.3 (22.0–31.5) | 25.5 (21.0 –30.1) | 0.38 * |
| Pre-eclampsia | 14 (34.1%) | 29 (36.3%) | 0.84 |
| Cesarian delivery | 13 (31.7%) | 28 (35.0%) | 0.84 |
| Smoking | 4 (9.8%) | 6 (7.5%) | 0.73 |
| Nulliparous | 20 (48.8%) | 40 (50.0%) | 0.99 |
| Family history of allergy | 34 (82.9%) | 54 (67.5%) | 0.09 |
| Child | |||
| Age (yr) | 2.6 (1.7–3.8) | 2.4 (1.5–3.8) | 0.67 * |
| Male baby | 21 (51.2%) | 42 (52.5%) | 0.99 |
| Gestation at delivery (wk) | 38.8 (1.8) | 38.9 (1.3) | 0.95 * |
| Birth weight (g) | 3298 (491) | 3365 (577) | 0.86 * |
| Length at birth (cm) | 49.8 (4.1) | 50.7 (2.9) | 0.32 * |
| Head circumference at birth (cm) | 34.7 (3.8) | 34.6 (1.9) | 0.49 * |
| 1 allergic disease | 30 (73.2%) | ||
| ≥2 allergic diseases | 11 (26.8%) | ||
| Asthma | 24 (58.5%) | ||
| Atopic dermatitis | 18 (43.9%) | ||
| Food allergy | 11 (26.8%) | ||
| Fetal size at mid-gestation | |||
| Gestation at ultrasound (wk) | 19.2 (0.7) | 19.3 (0.8) | 0.28 |
| Head circumference (mm) | 160.6 (8.9) | 164.6 (10.4) | 0.038 |
| Biparietal diameter (mm) | 43.3 (2.9) | 44.1 (3.1) | 0.16 |
| Abdominal circumference (mm) | 141.7 (9.0) | 143.7 (12.1) | 0.35 |
| Femur length (mm) | 29.8 (2.3) | 30.0 (2.8) | 0.69 |
Data expressed as N (%), mean (SD), or median (Q1–Q3).
*Indicates that a Mann–Whitney U-test was performed.