Table 7.

Regression-dependent variable: SWM performance (as indexed by total error Z-score; higher Z-score = fewer errors)

VariablesUnstandardized regression coefficients, SE, p valueFΔ(df)R2 change, p values
Model 1
    Pubertal stageB = 0.113, SE = 0.109, p = 0.308FΔ(1,41) = 7.477R2Δ = 0.359, p < 0.001
    Cumulative life stressB = −0.205, SE = 0.068, p = 0.001
Model 2
    Pubertal stageB = 0.134, SE = 0.112, p = 0.238FΔ(1,39) = 0.847R2Δ = 0.014, p = 0.363
    Cumulative life stressB = −0.172, SE = 0.077, p = 0.030
    Acute stressB = −0.35, SE = 0.038, p = 0.363
Model 3
    Pubertal stageB = 0.092, SE = 0.104, p = 0.380FΔ(2,37) = 4.671R2Δ = 0.126, p = 0.016
    Cumulative life stressB = −0.010, SE = 0.088, p = 0.908
    Acute stressB = −0.033, SE = 0.035, p = 0.352
    Frontal white matter (right prefrontal white matter cluster)B = 2.142, SE = 0.995, p = 0.038
    Frontal gray matter (left anterior cingulate cluster)B = 1.213, SE = 0.530, p = 0.028