Table 2.
Correlations between attachment security, average brain volumetric data, and covariates.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| (1) Attachment security | |||||||||
| (2) Total ICV | –0.09 | ||||||||
| (3) Total GMV | 0.05 | 0.94** | |||||||
| (4) Total WMV | –0.30 | 0.92** | 0.80** | ||||||
| (5) Total CSF | 0.04 | 0.66** | 0.46** | 0.48** | |||||
| (6) Child sexa | 0.04 | –0.53** | –0.53** | –0.51** | –0.25 | ||||
| (7) Child age | –0.26 | 0.03 | 0.00 | 0.15 | –0.12 | –0.23 | |||
| (8) Maternal education | 0.21 | –0.31 | –0.27 | –0.25 | –0.31 | 0.21 | –0.10 | ||
| (9) Pubertal statusb | 0.13 | –0.38* | –0.39* | –0.33t | –0.21 | –0.16 | 0.69*** | 0.11 |
aChild sex was coded 1 = boy; 2 = girl. bPubertal status was coded 1 = prepubertal; 2 = early pubertal; 3 = mid pubertal; 4 = late pubertal. ICV, intracranial volume; GMV, gray matter volume; WMV, white matter volume; CSF, cerebrospinal fluid. tp < 0.10, ∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001.