Sociodemographic characteristics
| ELBW (n=115) | Comparison (n=50) | |
|---|---|---|
| Mother’s education (years) mean (range) | 11.9 (5-19) | 12.4 (7-16) |
| Mother’s age at delivery (years) mean (range) | 27.1 (16-40) | 28.6 (23-43) |
| Marital status (% married) | 76 | 86 |
| Ethnicity (% white) | 87 | 84 |
| Gender (% male) | 37 | 40 |