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Maternal sociodemographic characteristics (n = 112)
| Variable | % | M ± SD |
|---|---|---|
| Maternal age (years) | 31.2 ± 4.6 | |
| Maternal education (years) | 17.2 ± 2.1 | |
| Pre-pregnancy body mass index | 23.6 ± 4.3 | |
| Maternal race | ||
| Caucasian | 80 | |
| African-American | 13 | |
| Asian | 7 | |
| Married | 91 | |
| Primiparous | 72 |
