Table 1.
Population characteristics. Abbreviations: 6M: 6 months, 12M: 12 months, BAZ: BMI-for-age z-score, HM: Human Milk, LAZ: Length-for-age z-score, LWZ: Length-for-weight z-score, WAZ: Weight-for-age z-score.
| ARCHGUT (n = 20) | BABYGUT (n = 13) | p-value | |
|---|---|---|---|
| Pre-pregnancy BMI category | 0.35 | ||
| Normal | 6 (30.0) | 4 (30.8) | |
| Overweight | 5 (25.0) | 6 (46.2) | |
| Obese | 9 (45.0) | 3 (23.1) | |
| Girls | 7 (35.0) | 2 (15.4) | 0.4 |
| Vaginal delivery | 14 (70.0) | 7 (53.8) | 0.57 |
| Any HM – 6M | 10 (52.6)a | 10 (76.9) | 0.31 |
| Any HM – 12M | 9 (45.0) | 4 (30.8) | 0.65 |
| Antibiotic exposure in the past monthb | 0 (0.0) | 0 (0.0) | – |
| Infant age, days | 379.4 ± 15.7 | 380.3 ± 18.0 | 0.51 |
| Infant length, cm | 74.4 ± 3.5 | 75.4 ± 3.1 | 0.54 |
| Infant weight, kg | 10.5 ± 1.0 | 9.8 ± 1.2 | 0.43 |
| BAZ | 0.9 ± 1.3 | 0.4 ± 1.6 | 0.46 |
| LAZ | 0.1 ± 1.3 | −0.3 ± 1.4 | 0.46 |
| LWZ | 1.0 ± 12 | 0.4 ± 1.4 | 0.52 |
| WAZ | 0.7 ± 0.9 | 0.04 ± 1.04 | 0.47 |
a
One value missing.
b
Reported antibiotic exposure is for infants; maternal antibiotic use was not collected at 6M or 12M.