Table 1.
Sample Characteristics
| Maternal Characteristics (N = 59) | N (%) | M ± SD | Range |
|---|---|---|---|
|
| |||
| Age at MRI visit | 25.98 ± 5.52 | 18 – 37 | |
| Race/Ethnicity | |||
| Hispanic | 26 (44.1) | ||
| Non-Hispanic White | 25 (42.4) | ||
| African American or Black | 3 (5.1) | ||
| Asian | 1 (1.7) | ||
| Multi-Ethnic | 4 (6.8) | ||
| Income-to-Needs Ratio (last 12 months) | 2.55 ± 1.53 | 0.43 – 6.24 | |
| Years of Education | 14.10 ± 2.46 | 9 – 20 | |
| Handedness (right)* | 53 (89.8)* | ||
| Breastfeeding at Time of Home Visit (and/or daily pump; but not exclusive formula-feeding) | 40 (67.8) | ||
| Time Between Home Visit and fMRI Visit (days) | 31.61 ± 31.45 | 2 – 190 | |
| Perceived Stress (PSS) | 5.03 ± 2.75 | 0 – 11 | |
| Depressive symptoms (BDI) | 7.83 ± 5.49 | ||
| History of Self-Reported Psychiatric Disorder** | 25 (42.4)** | ||
| Current Psychiatric Medication Use | 6 (10.2) | ||
| Infant Characteristics (N = 59) | |||
|
| |||
| Sex (female) | 37 (62.7) | ||
| Gestational Age at Birth (weeks) | 39.28 ± 1.57 | 36 – 42 | |
| Age at MRI Visit (months) | 4.58 ± 1.98 | 0.89 – 10.65 | |
*
1 missing value for handedness
**
Self-reported history of Depression (N=17), Anxiety (N=14), OCD (N=2), PTSD (N=2), Anorexia (N=1) (Note: 10 of the participants had a history of multiple conditions)