Table 1.
Sample characteristics.
| Included in Neural Analysis (N = 33) |
Excluded from Neural Analysis (N = 6) |
t or χ2 | |
|---|---|---|---|
| Infant Age at Scan Mean (SD) months | 4.81 (0.93) |
5.05 (1.28) |
−0.66 |
| Infant Race Number (percent) | 3.15 | ||
| White/Caucasian American | 25 (76 %) |
5 (83 %) |
|
| Asian American | 0 (0 %) |
0 (0 %) |
|
| Black/African American | 6 (18 %) |
1 (17 %) |
|
| Native Hawaiian/Pacific Islander | 0 (0 %) |
0 (0 %) |
|
| American Indian or Alaska Native | 1 (3 %) |
0 (0 %) |
|
| Other/Biracial | 1 (3 %) |
0 (0 %) |
|
| Infant Ethnicity Number (percent) | 0.32 | ||
| Hispanic or Latinx | 3 (9 %) |
1 (17 %) |
|
| Infant Sex N (percent) | 0.17 | ||
| Male | 14 (42 %) |
2 (33 %) |
|
| Mother Age Mean ± SD years | 29.55 ± 4.92 | 29.09 ± 5.76 | 0.21 |
| Maternal Race Number (percent) | 0.38 | ||
| White/Caucasian American | 26 (79 %) |
5 (83 %) |
|
| Asian American | 0 (0 %) |
0 (0 %) |
|
| Black/African American | 5 (15 %) |
1 (17 %) |
|
| Native Hawaiian/Pacific Islander | 0 (0 %) |
0 (0 %) |
|
| American Indian or Alaska Native | 1 (3 %) |
0 (0 %) |
|
| Other/Biracial | 1 (3 %) |
0 (0 %) |
|
| Maternal Ethnicity Number (percent) | |||
| Hispanic or Latinx | 3 (9 %) |
1 (17 %) |
0.32 |
| Maternal Education Number (percent) | 3.63 | ||
| High School Diploma/GED | 1 (3 %) |
1 (17 %) |
|
| Some College | 5 (15 %) |
0 (0 %) |
|
| Associate's Degree | 3 (9 %) |
1 (17 %) |
|
| Trade/Technical School | 0 (0 %) |
0 (0 %) |
|
| Bachelor's Degree | 13 (39 %) |
3 (50 %) |
|
| Graduate Degree | 11 (33 %) |
1 (17 %) |
|
| Annual household income Number (percent) | 3.52 | ||
| Less than $5,000 | 0 (0 %) |
0 (0 %) |
|
| $5,001-15,000 | 1 (3 %) |
0 (0 %) |
|
| $15,001-30,000 | 5 (15 %) |
0 (0 %) |
|
| $30,001-60,000 | 6 (18 %) |
1 (17 %) |
|
| $60,001-90,000 | 5 (15 %) |
1 (17 %) |
|
| $90,001-150,000 | 9 (27 %) |
3 (50 %) |
|
| More than $150,000 | 7 (21 %) |
0 (0 %) |
|
| Did not provide | 0 (0 %) |
1 (17 %) |
Note. M (SD) or %.
*p < .05; **p < .01; ***p < .001.