Table 1.
Characteristics of the study population compared with the entire Columbia-Presbyterian NCPP study population.
| Characteristics | Columbia-Presbyterian NCPP cohort (n = 2,177) | Our study population (n = 150) |
|---|---|---|
| Sex (% male) | 52 | 73 |
| Birth weight (g) | 3,178 ± 957 | 3,096 ± 555 |
| Birth length (cm) | 50 ± 3.6 | 50 ± 2.8 |
| Gestational age at delivery (weeks) | 39.0 ± 5.3 | 38.5 ± 3.4 |
| 5-Min Apgar score | 8.7 ± 1.4 | 8.5 ± 1.5 |
| Parity | 2.1 ± 1.6 | 2.0 ± 1.5 |
| Maternal age (years) | 25.7 ± 5.9 | 25.9 ± 6.2 |
| Maternal prepregnancy weight (kg) | 58.5 ± 10.9 | 60.8 ± 11.3 |
| Maternal height (cm) | 163 ± 15 | 165 ± 8 |
| Maternal smoking during pregnancy (%) | 38 | 24 |
| Maternal years of education | 10.5 ± 2.6 | 11.4 ± 1.9 |
| Mothers married at registration (%) | 88 | 75 |
Values are mean ± SD except where otherwise noted.