Table 1.
Demographic data and descriptive statistics for all groups
| Participant group | Phase 1 | Phase 2 | Test–re-test (subset of Phase 2) | Clinical | |
|---|---|---|---|---|---|
| N | 1615 | 8287 | 140 | 1026 | |
|
Age
Mean (SD) |
49.94 (14.40) | 45.84 (14.86) | 46.69 (15.27) | 41.49 (12.29) | |
|
Gender
n (%) |
Female: Male: Other: |
1433 (88.73%) 142 (8.79%) 35 (2.17%) |
7103 (85.71%) 962 (11.61%) 165 (1.99%) |
112 (80.00%) 20 (14.29%) 6 (4.29%) |
300 (29.24%) 717 (69.88%) 5 (0.49%) |
|
Ethnicity
n (%) |
White (any): Mixed/multiple: Asian (any): Black (any): Other: |
1551 (96.04%) 25 (1.55%) 12 (0.74%) 3 (0.19%) 6 (0.37%) |
7866 (94.92%) 175 (2.11%) 80 (0.97%) 20 (0.24%) 38 (0.46%) |
133 (95.00%) 3 (2.14%) 2 (1.43%) 0 (0%) 0 (0%) |
687 (66.96%) 43 (4.19%) 98 (9.55%) 175 (17.06%) 17 (1.66%) |
|
Measure
Mean (SD) |
CAD-P | 19.05* (10.70) | 16.58 (11.79) | Week 1: 20.12 (10.69) Week 2: 19.87 (11.17) |
18.70 (13.35) |
| ČEFSA | — | 41.76 (26.14) | — | 39.65 (30.51) | |
| PTQ | — | 34.97 (13.83) | — | 30.32 (16.38) | |
|
Have you ever experienced mental health difficulties?
n (%) |
Yes No |
1222 (75.67%) 360 (22.29%) |
6584 (79.45%) 1557 (18.79%) |
— | — |
|
If ‘yes’, are these ongoing?
n (%) |
Yes No |
886 (72.50%) 312 (25.53%) |
4919 (74.71%) 1520 (23.09%) |
— | — |
| Diagnosis n (%) | Schizophrenia Schizoaffective Delusional disorder Psychotic disorder NOS** First episode psychosis Other SSD |
— | — | — | 662 (64.52%) 153 (14.91%) 14 (1.36%) 69 (6.73%) 105 (10.23%) 23 (2.24%) |
CAD-P Cognitive Appraisals of Dissociation in Psychosis
ČEFSA Černis Felt Sense of Anomaly scale
PTQ Perseverative Thinking Questionnaire
SSD Schizophrenia Spectrum Disorder
Contains item ‘I’m so lonely’ which was later amended to ‘I am all alone’
Not otherwise specified (NOS) also includes unspecified non-organic psychosis