Table 2 The relationship of IGF1 methylation and birth weight to select maternal and infant characteristics
From: Racial differences in IGF1 methylation and birth weight
IGF1 methylation | BW (grams) | aBW (grams) | |
|---|---|---|---|
Mean ± SD | Mean ± SD | Mean ± SD | |
Adequate prenatal care | |||
No | 0.27 ± 0.06 | 3060.8 ± 773.3 | 3161.4 ± 500.5 |
Yes | 0.26 ± 0.05 | 3274.6 ± 623.5 | 3260.3 ± 462.2 |
Parity | |||
multiparous | 0.27 ± 0.05 | 3381.8 ± 531.6** | 3331.7 ± 451.3** |
nulliparous | 0.26 ± 0.06 | 2903.8 ± 787.8 | 3042.8 ± 454.1 |
Prenatal vitamin use | |||
No | 0.27 ± 0.05 | 3135.3 ± 568.5 | 3183.1 ± 343.9 |
Yes | 0.26 ± 0.06 | 3248.8 ± 681.1 | 3251.2 ± 494.7 |
Smoker | |||
No | 0.27 ± 0.06 | 3245.7 ± 662.4 | 3253.0 ± 437.9 |
Yes | 0.26 ± 0.05 | 3105.0 ± 662.3 | 3139.7 ± 668.0 |
Infant gender | |||
Female | 0.26 ± 0.07 | 2959.2 ± 721.0** | 3090.2 ± 442.6* |
Male | 0.27 ± 0.04 | 3446.3 ± 518.4 | 3359.4 ± 460.4 |
Maternal age | |||
<30 | 0.27 ± 0.06 | 3123.8 ± 758.5 | 3210.7 ± 490.2 |
≥30 | 0.26 ± 0.05 | 3382.6 ± 445.4 | 3280.3 ± 440.9 |