Table 1.
Study population characteristics.
| obs. | % | mean | SD | |
|---|---|---|---|---|
| Infant characteristics | ||||
| Birth weight (g) | 444 | 3488.3 | 699.4 | |
| Birth weight group | ||||
| AGA | 236 | 53.2 | ||
| LGA | 115 | 25.9 | ||
| SGA | 93 | 20.9 | ||
| Sex | ||||
| Female | 221 | 49.8 | ||
| Male | 223 | 50.2 | ||
| Genotype (rs2167270) | ||||
| G/G,G/A | 381 | 85.8 | ||
| A/A | 63 | 14.2 | ||
| Delivery method | ||||
| C-Section | 222 | 50 | ||
| Vaginal | 222 | 50 | ||
| Maternal characteristics | ||||
| Maternal age | 444 | 29.3 | 5.6 | |
| Pre-pregnancy BMI (kg/m2) | 440 | 26.7 | 6.9 | |
| Maternal ethnicity | 441 | |||
| Other | 123 | 27.9 | ||
| White | 318 | 72.1 | ||
| Tobacco use during pregnancy | ||||
| No | 417 | 93.9 | ||
| Yes | 21 | 4.7 |
SD = standard deviation.