Table 3.
The linear regression models for left and right hippocampal and amygdalar volumes
| Left HCVres |
Right HCVres |
Left AGVres |
Right AGVres |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | SE | β | p | B | SE | β | p | B | SE | β | p | B | SE | β | p | |
| Infant sex (girl) | −18.99 | 18.07 | −0.11 | .296 | −23.25 | 20.68 | −0.12 | .264 | −9.25 | 4.89 | −0.21 | 0.06 | −5.77 | 5.39 | −0.12 | .287 |
| Maternal smoking | 26.37 | 29.15 | 0.10 | .368 | 37.13 | 33.37 | 0.12 | .269 | 13.98 | 7.89 | 0.19 | 0.08 | 5.42 | 8.69 | 0.70 | .624 |
| SES | −8.18 | 9.88 | −0.09 | .410 | −8.54 | 11.31 | −0.08 | .452 | −0.79 | 2.67 | −0.03 | .768 | −0.82 | 2.94 | −0.03 | .782 |
| OB risk (ref: no risk) | 23.89 | 20.95 | 0.12 | .258 | 31.15 | 23.98 | 0.14 | .184 | −0.24 | 5.67 | −0.01 | .966 | 6.43 | 6.24 | 0.11 | .306 |
| PSS | −38.78 | 16.21 | −0.26 | .019 | −29.07 | 18.55 | −0.17 | .121 | 2.68 | 4.38 | 0.07 | .542 | −1.53 | 4.83 | −0.04 | .753 |
| PSS × infant sex | −43.03 | 32.93 | −0.63 | .195 | −46.51 | 37.73 | −0.60 | .221 | 4.89 | 8.98 | 0.27 | .588 | 5.33 | 9.90 | 0.273 | .592 |
Note. HCV = hippocampal volume, AGV = amygdalar volume, res = residualized for age, length of gestation and intracranial volume; SES = socioeconomic status, OB = obstetric, PSS = Perceived Stress Scale. The PSS by infant sex analyses were conducted in a separate step of the model.