Table 4.
Absolute spectral power, early home adversity, early intervention status and timing
| Parameters | Model 1 | Model 2 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fixed Effects | Estimates | Fixed Effects | Estimates | ||||||||
| Band | F | p val | B | SE | p val | F | p val | B | SE | p val | |
| Theta (4–6Hz) | Intercept | 4.181 | .043* | −1.18 | .589 | .046* | 4.649 | .033* | −1,32 | ,611 | .032* |
| Region1 | 50.727 | .000** | - | - | - | 50.802 | .000** | - | - | - | |
| Malt. Risk | 4.990 | .027* | .004 | .001 | .027* | 4.533 | .035* | .003 | .001 | .035* | |
| Fam. Income Inf. | 3.749 | .055 | .026 | .013 | .055 | 4.164 | .043* | .028 | .013 | .043* | |
| Fam. Income 8 yr | 0.293 | .589 | −.004 | .007 | .589 | 0.275 | .601 | −.003 | .007 | .601 | |
| EEG age | 0.289 | .592 | .004 | .007 | .592 | 0.389 | .534 | .004 | .007 | .601 | |
| ABC2 | -- | -- | -- | -- | -- | 2.142 | .145 | .055 | .037 | .145 | |
| Intervention Timing | -- | -- | -- | -- | -- | 0.005 | .942 | .002 | .002 | .213 | |
| ABC*Timing | -- | -- | -- | -- | -- | 2.558 | .112 | −.005 | .003 | .112 | |
| Low Alpha (6–9Hz) | Intercept | 1.207 | .274 | −.885 | .857 | .304 | 1.170 | .282 | −.925 | .875 | .293 |
| Region1 | 58.586 | .000** | - | - | - | 58.650 | .000** | - | - | - | |
| Malt. Risk | 7.259 | .008** | .007 | .002 | .008** | 6.972 | .009** | −.006 | .002 | .009** | |
| Fam. Income Inf. | 3.697 | .057 | .038 | .019 | .057 | 3.773 | .054 | .038 | .019 | .054 | |
| Fam. Income 8 yr | 3.011 | .085 | −.018 | .010 | .085 | 3.259 | .074 | −.019 | .010 | .074 | |
| EEG age | 0.504 | .479 | .007 | .010 | .479 | 0.853 | .357 | .009 | .010 | .357 | |
| ABC2 | -- | -- | -- | -- | -- | 2.370 | .126 | .083 | .054 | .126 | |
| Intervention Timing | -- | -- | -- | -- | -- | 3.325 | .071 | −.001 | .003 | .968 | |
| ABC*Timing | -- | -- | -- | -- | -- | 3.135 | .079 | −.008 | .004 | .079 | |
| High Alpha (9–12Hz) | Intercept | 1.953 | .165 | −1.08 | .819 | .189 | 2.181 | .142 | −1.200 | .846 | .159 |
| Region1 | 87.337 | .000** | - | - | - | 87.318 | .000** | - | - | - | |
| Malt. Risk | 0.490 | .485 | −.001 | .002 | .485 | 0.410 | .523 | −.001 | .002 | .523 | |
| Fam. Income Inf. | 1.278 | .261 | .021 | .019 | .261 | 1.538 | .217 | .023 | .019 | .217 | |
| Fam. Income 8 yr | 1.686 | .197 | −.013 | .010 | .197 | 1.675 | .198 | −.013 | .010 | .198 | |
| EEG age | 1.953 | .165 | −1.08 | .819 | .189 | 10.124 | .002** | .033 | .011 | .002** | |
| ABC2 | -- | -- | -- | -- | -- | 0.674 | .413 | .042 | .052 | .413 | |
| Intervention Timing | -- | -- | -- | -- | -- | 1.647 | .202 | −.011 | .003 | .539 | |
| ABC*Timing | -- | -- | -- | -- | -- | 0.212 | .646 | −.002 | .004 | .646 | |
| Beta (12–20Hz) | Intercept | 1.599 | .209 | −1.049 | .854 | .222 | 1.331 | .251 | −.981 | .893 | .274 |
| Region1 | 74.117 | .000** | - | - | - | 74.120 | .000** | - | - | - | |
| Malt. Risk | 2.924 | .090 | .004 | .002 | .090 | 2.890 | .092 | .004 | .002 | .092 | |
| Fam. Income Inf. | 0.020 | .888 | .002 | .019 | .888 | 0.006 | .938 | .001 | .020 | .938 | |
| Fam. Income 8 yr | 0.001 | .971 | −.001 | .010 | .971 | 0.002 | .964 | −.001 | .010 | .964 | |
| EEG age | 2.533 | .114 | .017 | .010 | .114 | 2.251 | .136 | .016 | .011 | .136 | |
| ABC2 | -- | -- | -- | -- | -- | 0.190 | .664 | −.024 | .055 | .664 | |
| Intervention Timing | -- | -- | -- | -- | -- | 0.070 | .792 | −.001 | .003 | .948 | |
| ABC*Timing | -- | -- | -- | -- | -- | 0.124 | .725 | .001 | .004 | .725 | |
Key:
*
= p<.05,
**
=p<.01.
1
B estimates for each of the 7 regions included in model not reported, Reference is parietal region;
2
Reference is ABC group ABC=Attachment and Biobehavioral Catch up; DEF=Developmental Education for Children; Fam=Family.