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Demographic characteristics of the study population (n = 159)
| Variables | Mean | (Min, max) |
|---|---|---|
| Birth weight (g) | 3543 | (2030, 4940) |
| Gestational age (weeks) | 39.1 | (37.0, 41.0) |
| Maternal age (years) | 30.9 | (18.0, 40.0) |
| Maternal BMI (kg/m2) | 26.6 | (16.0, 46.7) |
| N | (%) | |
| Maternal ethnicity (self-report) | ||
| White | 123 | (77.4) |
| Black | 10 | (6.3) |
| Other | 23 | (16.3) |
| Unknown | 3 | (1.9) |
| Infant Ethnicity (genotype-inferred) | ||
| White | 142 | (89.3) |
| Black | 11 | (6.9) |
| Mixed | 6 | (3.8) |
| Infant gender | ||
| Female | 79 | (49.7) |
| Male | 80 | (50.3) |
