Table 1.
Characteristics of participants in the training and testing datasets. Data shown are mean (standard deviation)
| Training n = 431 |
Testing n = 143 |
|
|---|---|---|
| Weight (kg) | 7.17 (±2.22) | 7.03 (±2.16) |
| Length (cm) | 64.91 (±8.51) | 64.46 (±8.73) |
| Female, n (%) | 216 (50.12%) | 69 (48.25%) |
| Age (days) | 183.30 (±143.70) | 183.71 (±146.27) |
| Ethnicity | ||
| Asian | 1 (0.23%) | 0 (0.00%) |
| Black | 35 (8.12%) | 19 (13.29%) |
| Hispanic | 269 (62.41%) | 92 (64.34%) |
| Indian | 2 (0.46%) | 0 (0.00%) |
| Mixed race | 22 (5.10%) | 11 (7.69%) |
| Unknown | 7 (1.62%) | 0 (0.00%) |
| White | 95 (22.04%) | 21 (14.69%) |
| Fat mass (kg) | 2.09 (±0.88) | 2.04 (±0.91) |
| Lean mass (kg) | 3.92 (±1.07) | 3.93 (±1.13) |
| Free water (kg) | 0.18 (±0.06) | 0.18 (±0.06) |
| Total water (kg) | 3.85 (±0.99) | 3.84 (±1.02) |
^
Encompassing 269 individual infants with data collected at up to 3 different timepoints between 1–24 months of age.
†
Encompassing 90 individual infants with data collected at up to 3 different timepoints between 1–24 months of age.