Table 1.
Summary of data and participant characteristics
| Males (n = 59) | Females (n = 37) | |
|---|---|---|
| Infant variables, M (SD) | ||
| Fetal gestational weeks at delivery | 39.1 (1.7) | 38.9 (1.2) |
| Birth weight (g) | 3280 (550) | 3059 (531) |
| Infant age at lab visit (months) | 7.4 (0.5) | 7.5 (0.5) |
| Maternal ethnicity, n (%) | ||
| African American | 44 (75.6) | 30 (81.1) |
| Caucasian | 8 (13.6) | 3 (8.1) |
| Asian American | 0 | 1 (2.7) |
| Other | 4 (6.8) | 0 |
| Maternal education, n (%) | ||
| No GED/high school diploma | 4 (6.8) | 6 (16.2) |
| GED/high school diploma | 22 (37.3) | 10 (27.0) |
| Some college | 25 (42.4) | 16 (43.2) |
| 2-year college degree | 1 (1.7) | 0 |
| 4-year college degree | 3 | 1 (2.7) |
| Masters or doctorate | 1 (1.7) | 0 |
| Annual household income, n (%) | ||
| <$10,000 | 15 (25.4) | 12 (32.4) |
| $10,000-$20,000 | 19 (32.2) | 6 (16.2) |
| $20,000-$30,000 | 10 (17.0) | 5 (13.5) |
| $30,00-$40,000 | 0 | 3 (8.1) |
| >$40,000 | 5 (8.5) | 5 (13.5) |
| Marital status, n (%) | ||
| Single | 38 (64.4) | 17 (45.9) |
| Married/partnered | 16 (27.1) | 16 (43.2) |
| Divorced | 1 (1.7) | 0 |
| Employment status, n (%) | ||
| Employed | 39 (40.6) | 28 (29.2) |
| Unemployed | 12 (12.5) | 5 (5.2) |
| Prenatal maternal variables, M (SD) | ||
| Maternal age at scan (years) | 25.9 (4.8) | 26.0 (4.3) |
| Maternal prenatal anxiety symptoms | 36.5 (8.5) | 35.5 (7.8) |
| fMRI data characteristics, M (SD) | ||
| Fetal gestational weeks at scan | 33.3 (3.9) | 32.6 (4.4) |
| Number of fMRI frames analyzed | 158 (52) | 148 (40) |
| Translational mean movement (mm) | 0.2 (0.1) | 0.2 (0.1) |
| Rotational mean movement (degrees) | 0.4 (0.2) | 0.4 (0.2) |
Note: Chi-square tests compared race/ethnicity, education, and income between groups and two-sample t tests compared all other variables. All comparisons were nonsignificant, using two-tailed, p < .05.