Table 5.
Regressions of cognitive and symptom measures on spindle parameters in relatives and their controls.
| Group | Spindle × group | Spindle | |||||
|---|---|---|---|---|---|---|---|
| t | p | t | p | t | p | ||
| CPT | Density | 0.68 | 0.50 | −0.97 | 0.34 | −1.13 | 0.27 |
| Verbal | Amplitude | −0.28 | 0.78 | −0.05 | 0.96 | −0.20 | 0.84 |
| CPT | Density | 0.73 | 0.47 | −1.02 | 0.32 | 0.50 | 0.62 |
| Visual | Amplitude | −0.94 | 0.36 | 0.34 | 0.74 | −0.13 | 0.90 |
| WCST | Density | −1.78 | 0.09 | 2.01 | 0.06 | −1.29 | 0.21 |
| Pers err | Amplitude | 0.61 | 0.55 | −0.32 | 0.75 | −1.34 | 0.19 |
| IQ estimate | Density | −0.50 | 0.62 | 0.07 | 0.94 | 0.63 | 0.54 |
| Amplitude | 0.44 | 0.66 | −0.79 | 0.44 | 3.80 | 0.0007* | |
| GAF | Density | −2.28 | 0.03* | 0.58 | 0.57 | 1.26 | 0.22 |
| Amplitude | −1.63 | 0.12 | −0.40 | 0.69 | 2.72 | 0.01* | |
| PAS | Density | 1.59 | 0.12 | −1.09 | 0.28 | −0.67 | 0.51 |
| Amplitude | 0.99 | 0.33 | −0.39 | 0.70 | −1.80 | 0.08 | |
| Magical | Density | 0.13 | 0.90 | 0.24 | 0.81 | −0.23 | 0.82 |
| Ideation | Amplitude | 0.47 | 0.64 | 0.01 | 0.99 | −0.78 | 0.44 |
| Perceptual | Density | 0.95 | 0.35 | −0.64 | 0.53 | −0.51 | 0.62 |
| Aberration | Amplitude | 1.40 | 0.17 | −1.12 | 0.27 | −1.69 | 0.10 |
| Social | Density | −0.17 | 0.87 | 0.19 | 0.85 | −2.01 | 0.07 |
| Anhedonia | Amplitude | 0.15 | 0.89 | −0.01 | 0.99 | −1.62 | 0.13 |
Spindle refers to spindle parameter, density, or amplitude. Continuous Performance Test (CPT)—Identical Pairs version; WCST, Wisconsin Card Sort Test perseverative errors; GAF, Global Assessment of Functioning; PAS, Premorbid Adjustment Scale; Chapman Scales of Magical Ideation, Perceptual Aberration, and Social Anhedonia.
*
Significant at p ≤ 0.05.