Table 3.
Contributions of ML-predicted versus clinically rated BvA and alogia to cognitive/social functioning, beyond demographics (entered in step 1).
| DV: Cognitive functioning | DV: Social functioning | |||||||
|---|---|---|---|---|---|---|---|---|
| ∆R2 | ∆F | B (se) | ∆R2 | ∆F | B (se) | |||
| Symptom of interest: blunted vocal affect (BvA) | ||||||||
| Unique contribution of Clin Rat BvA | ||||||||
| Step 2: Predicted measure Only | 0.08 | 4.13* | −0.53 (0.23) | 0.11 | 4.62* | −0.66 (0.31)* | ||
| Step 3: Clin Rat measure only | 0.07 | 0.47 | −0.35 (0.33) | 0.00 | 0.13 | −0.05 (0.15) | ||
| Unique contribution of ML BvA | ||||||||
| Step 2: Clin Rat measure only | 0.07 | 4.65* | −0.18 (0.08)* | 0.07 | 3.15+ | −0.18 (0.10)+ | ||
| Step 3: Predicted measure only | 0.02 | 1.14 | −0.35 (0.33) | 0.04 | 1.58 | −0.55 (0.44) | ||
| Symptom of interest: Alogia | ||||||||
| Unique contribution of Clin Rat Alogia | ||||||||
| Step 2: Predicted measure only | 0.00 | 0.02 | −0.03 (0.018) | 0.10* | 4.88* | −0.46 (0.21)* | ||
| Step 3: Clin Rat measure only | 0.02 | 0.90 | −0.17 (0.18) | 0.01 | 0.55 | −0.18 (0.24) | ||
| Unique contribution of ML alogia | ||||||||
| Step 2: Clin Rat measure Only | 0.01 | 0.74 | −0.13 (0.14) | 0.09* | 4.11* | −0.36 (0.18) | ||
| Step 3: Predicted measure Only | 0.01 | 0.18 | 0.09 (0.22) | 0.03 | 1.32 | −0.32 (0.28) | ||
Note: Step 1 demographics R2 = 0.19; Step 1 demographics R2 = 0.01.
ML machine learning, BvA blunted vocal affect, Clin Rat clinical rating, se standard error.
*p < 0.05.