TABLE 3.
Assessment of Biological Validators—Neuroimage and Polygenic Risk Scores
| Cross-sectional baseline associations | Cross-sectional follow-up associations | |||||
|---|---|---|---|---|---|---|
| SMD | t | p | SMD | t | p | |
| Neuroimage | ||||||
| Intracranial volume | −0.206 | −1.898 | .058 | −0.309 | −2.008 | .045* |
| Left cortical thickness | 0.169 | 1.445 | .149 | 0.183 | 1.203 | .230 |
| Right cortical thickness | 0.201 | 1.711 | .087 | 0.116 | 0.75 | .454 |
| Left surface area | −0.280 | −2.518 | .012* | −0.436 | −2.997 | .003* |
| Right surface area | −0.259 | −2.347 | .019* | −0.447 | −3.11 | .002* |
| Polygenic risk scores | ||||||
| ADHD | 0.153 | 2.534 | .011* | 0.014 | 0.159 | .874 |
| MDD | 0.046 | 0.921 | .357 | −0.046 | −0.640 | .522 |
| SCZ | 0.008 | 0.303 | .761 | 0.102 | 2.736 | .006* |
| Education attainment | −0.145 | −2.328 | .020* | −0.145 | −1.592 | .111 |
| Cross-disorder | −0.094 | −1.761 | .078 | 0.001 | 0.018 | .986 |
Note: ADHD = attention-deficit/hyperactivity disorder; MDD = major depression disorder; SCZ = schizophrenia; SMD = standardized mean difference.
p <.05.