Table 1.
Demographic information for the sample.
| N (%) | Mean ± SD | Range | |
|---|---|---|---|
| Postpartum months at the time of scan | 4.52 ± 1.85 | 0.89 – 9.82 | |
| Maternal age (years) | 25.65 ± 5.29 | 18 – 36 | |
| Maternal race/ethnicity (non-white) | 18 (38.2) | ||
| Caucasian | 29 (61.7) | ||
| Hispanic | 7 (14.9) | ||
| Mixed | 4 (8.5) | ||
| Other | 4 (8.5) | ||
| Infant sex (female) | 31 (66) | ||
| Maternal Sensitivity | 5.14 ± 1.23 | 3 – 7 | |
| Maternal Structuring | 4.75 ± 1.35 | 2 – 7 | |
| Depressive mood (BDI) | 7.08 ± 5.29 | 0 – 26 | |
| Anxious mood (State) | 31.55 ± 7.35 | 20 – 55 | |
| Postpartum months at the time of home visit | 3.63 ± 1.66 | 0.72 – 7.00 | |
| History of depression or anxiety (yes) | 15 (31.3) | ||
| Current intake of antidepressants | 4 (0.08) | ||
| Breastfeeding (and/or daily pump; not formula only) | 46 (97.87) | ||
| Right handedness | 42 (89.36) | ||
| Time away from own infant per week (hours) | 15.76 ± 16.13 | 0 – 50 | |
| Interval between home and MRI visit (months) | 0.91 ± 0.74 | 0.13 – 3.42 | |
| Maternal education (years) | 14.36 ± 2.38 | 9 – 20 | |
| Income-to-needs ratio | 2.65 ± 1.45 | 0.63 – 5.88 | |