Table 2.
SOPS scale ratings in APS probands and siblings
| Probands, m (sd) | Siblings, m (sd) | P value | |
|---|---|---|---|
| APS symptoms (SOPS Scale) | |||
| Unusual thought content (P1) | 2.53 (1.13) | 0.73 (0.96) | <.001 |
| Suspiciousness (P2) | 2.71 (1.11) | 0.69 (0.88) | <.001 |
| Grandiose ideas (P3) | 0.82 (1.13) | 0.27 (0.53) | .073 |
| Perceptual abnormalities (P4) | 2.24 (1.30) | 0.62 (0.80) | <.001 |
| Disorganized communication (P5) | 1.24 (0.97) | 0.35 (0.69) | .003 |
| Mean positive scale rating | 1.91 (0.82) | 0.53 (0.61) | <.001 |
| Social Anhedonia (N1) | 2.76 (1.75) | 0.62 (1.17) | <.001 |
| Avolition (N2) | 2.12 (1.62) | 0.85 (1.19) | .005 |
| Decreased expression of emotion (N3) | 1.35 (1.22) | 0.08 (0.39) | <.001 |
| Decreased experience of emotions and self (N4) | 1.53 (1.46) | 0.54 (0.95) | .021 |
| Decreased ideational richness (N5) | 1.00 (0.87) | 0.46 (0.81) | .045 |
| Decreased occupational functioning (N6) | 2.29 (1.90) | 1.08 (1.90) | .046 |
| Mean negative scale rating | 1.84 (0.94) | 0.60 (0.77) | <.001 |
| Odd behaviour or appearance (D1) | 1.24 (0.90) | 0.15 (0.46) | <.001 |
| Bizarre thinking (D2) | 0.53 (0.80) | 0.00 (0.00) | .015 |
| Trouble with focus and attention (D3) | 2.76 (1.56) | 1.62 (1.20) | .010 |
| Deterioration in personal hygiene (D4) | 0.71 (0.69) | 0.42 (0.81) | .242. |
| Mean disorganized scale rating | 1.31 (0.65) | 0.55 (0.55) | <.001 |
| Sleep disturbance (G1) | 2.06 (1.03) | 1.15 (1.05) | .008 |
| Dysphoric mood (G2) | 2.94 (1.20) | 1.38 (1.53) | <.001 |
| Motor disturbances (G3) | 0.53 (0.87) | 0.15 (0.54) | .127 |
| Impaired tolerance to normal stress (G4) | 3.88 (2.03) | 1.15 (1.78) | <.001 |
| Mean general scale rating | 2.35 (0.98) | 0.96 (0.90) | <.001 |
Note: APS n = 17, siblings n = 26. Bolded P-values indicate significance of pairwise SOPS scale comparisons after Bonferroni correction (P ≤ .003). m, mean; sd, standard deviation; EA, European American.