Scatter plots of executive functions with adjusted birth weight and gestational age.

<p>Abbreviations: IED = intra/extra-dimensional shift task; SST = stop-signal task; DMS = delayed-matching-to-sample task.</p

Multiple regression coefficients for effects of birth weight and gestational age on executive functions of boys at age 6.

<p><i>Note.</i> IED = intra/extra-dimensional shift task; EDS = extra-dimensional shift; SST = stop-signal task; DMS = delayed-matching-to-sample task; SWM = spatial working memory task.</p>a<p>Logistic regression used instead of multiple linear regression.</p