Table 2: Mean scores on the measures of psychopathology used in the study, and inter-correlation among them and the PQ-B in the sample (n = 243).
|
n. Items |
Cronbach’s α |
Mean (SD) |
Median (IQR) |
PQ-B F
|
PQ-B D
|
| PQ-B |
|
|
|
|
|
|
| Frequency (F) |
21 |
0.83 |
4.8 (3.8) |
4 (5) |
|
|
| Distress (D) |
21 |
0.85 |
14.2 (13.3) |
10 (16) |
|
|
| GHQ-12 |
12 |
0.85 |
3.4 (3.1) |
3 (4) |
0.340 |
0.375 |
| SPQ Cognitive-perceptual deficits domain |
|
|
|
|
|
|
| Ideas of reference |
9 |
0 .77 |
2.2 (2.2) |
2 (4) |
0.598 |
0.592 |
| Odd beliefs or magical thinking |
7 |
0.64 |
0.9 (1.3) |
0 (1) |
0.497 |
0.531 |
| Unusual perceptual experiences |
9 |
0.63 |
1.3 (1.5) |
1 (2) |
0.571 |
0.574 |
| Suspiciousness |
8 |
0.75 |
2.4 (2.0) |
2 (3) |
0.521 |
0.551 |
| SPQ Interpersonal deficits domain |
|
|
|
|
|
|
| Excessive social anxiety |
8 |
0.74 |
2.6 (2.1) |
2 (3) |
0.391 |
0.410 |
| No close friends |
9 |
0.61 |
1.0 (1.4) |
1 (1) |
0.279 |
0.262 |
| Constricted affect |
8 |
0.59 |
1.6 (1.5) |
1 (3) |
0.345 |
0.329 |
| SPQ Disorganization domain |
|
|
|
|
|
|
| Odd or eccentric behaviors |
7 |
0.78 |
1.1 (1.6) |
0 (2) |
0.507 |
0.452 |
| Odd speech |
9 |
0.80 |
2.7 (2.4) |
2 (3) |
0.557 |
0.529 |
SD = standard deviation
IQR = Interquartile range
Pearson’s r p < 0.0001 in all correlations
Estimates that differed from the others were reported in bold (Steiger’s p < 0.001)