Table 2.
Comparison of dyads who were included and those with not included in the study. Results expressed as number (%) or where indicated mean (SD).
| Variables | Not included N=530 |
Included N= 743 |
P value |
|---|---|---|---|
| Race: Black | 396 (74.7) | 609 (82.0) | 0.002 |
| Maternal Age: Mean (SD) | 27.8 (5.9) | 28.3 (5.6) | 0.122 |
| Marital status: Single | 403 (76.3) | 622 (83.7) | 0.001 |
| Low SES (Hollingshead level 5) | 114 (22.6) | 175 (24.2) | 0.528 |
| Medicaid | 431 (81.3) | 607 (81.7) | 0.865 |
| Education < 12years | 207 (39.1) | 293 (39.4) | 0.913 |
| Prenatal alcohol use | 305 (57.6) | 466 (62.7) | 0.063 |
| Prenatal tobacco use | 280 (52.8) | 381 (51.3) | 0.585 |
| Prenatal marijuana use | 129 (24.3) | 167 (22.5) | 0.438 |
| Child’s Sex: male | 290 (54.7) | 383 (51.6) | 0.264 |
| Child’s Gestational Age, wk, Mean (SD) | 36.1 (4.1) | 36.3 (4.0) | 0.284 |
| Child’s Birth Weight, g, Mean (SD) | 2628 (816) | 2632 (817) | 0.008 |
| Child’s Head Circumference, cm, Mean (SD) |
32.1 (3.1) | 32.1 (3.0) | 0.100 |
| Child’s Birth Length, cm, Mean (SD) | 46.7 (5.1) | 46.8 (4.9) | 0.024 |