Table 1 Maternal and infant characteristics of the cohort by race
From: Racial differences in IGF1 methylation and birth weight
Non-Black | Black | ||||
|---|---|---|---|---|---|
N | % | N | % | P value | |
Sample Size | 66 | 75.9 | 21 | 24.1 | |
Adequate prenatal care | |||||
No | 13 | 19.7 | 6 | 28.6 | 0.38 |
Yes | 53 | 80.3 | 15 | 71.4 | |
Parity | |||||
Multiparous | 43 | 65.2 | 16 | 76.2 | 0.43 |
Nulliparous | 23 | 34.9 | 5 | 23.8 | |
Prenatal vitamin use | |||||
No | 10 | 15.2 | 6 | 28.6 | 0.20 |
Yes | 56 | 84.9 | 15 | 71.4 | |
Smoker | |||||
No | 58 | 87.9 | 18 | 85.7 | 0.72 |
Yes | 8 | 12.1 | 3 | 14.3 | |
Infant gender | |||||
Female | 28 | 42.4 | 11 | 52.4 | 0.46 |
Male | 38 | 57.6 | 10 | 47.6 | |
Mean ± SD | Mean ± SD | ||||
Maternal age (years) | 29.2 ± 6.6 | 25.6 ± 4.6 | 0.02 | ||
Gestational age (weeks) | 38.0 ± 2.4 | 38.4 ± 1.7 | 0.49 | ||
aBW (grams) | 3294.2 ± 455.0 | 3064.5 ± 483.3 | 0.04 | ||
IGF1 methylation | 0.26 ± 0.05 | 0.29 ± 0.06 | 0.03 | ||