Table 1.
Population Characteristics
| N | % | Mean | SD | Range | ||
|---|---|---|---|---|---|---|
| Maternal Age (years) | 68 | 31.7 | 4.6 | 22.0 | 42.0 | |
| Maternal BMI | 65 | 30.5 | 5.7 | 22.5 | 51.4 | |
| Gravida | 68 | 2.22 | 1.09 | 1 | 5 | |
| Parity | 68 | 0.72 | 0.83 | 0 | 4 | |
| Birth Weight (g) | 68 | 3423 | 552 | 1885 | 4575 | |
| Birth Length (cm) | 62 | 51.4 | 2.90 | 41 | 56 | |
| Head Circumference (cm) | 63 | 34.4 | 1.67 | 25.5 | 37 | |
| Gestational Age (weeks) | 68 | 39.6 | 1.12 | 36 | 41.7 | |
| Marital Status (married) | 51 | 75.0 | ||||
| Race (white) | 57 | 83.8 | ||||
| Smoking Status (current)* | 3* | 4.41 | ||||
| Cesarean | 12 | 17.7 | ||||
| Infant Sex (male) | 36 | 52.9 | ||||
| Education* | ||||||
| High School | 14 | 20.6 | ||||
| College | 15 | 22.0 | ||||
| Graduate School | 31 | 45.6 | ||||
| Missing | 8 | 11.8 | ||||
| Income (USD) | ||||||
| <50,000 | 22 | 32.8 | ||||
| 50,000-100,000 | 25 | 37.3 | ||||
| >100,000 | 20 | 29.8 | ||||
SD= standard deviation;
*
smoking status missing for 15 participants, education missing for 8 participants.