Table 2.
Demographic and clinical differences between three classes of adults with schizophrenia (N= 1,446)
| Class 1: Solely Schizophrenia (n= 957) |
Class 2: Comorbid Anxiety and Depressive Disorders with Schizophrenia (n= 136) |
Class 3: Comorbid Addiction and Schizophrenia (n= 353) |
Test of Difference (F or X2) |
Post-hoc tests | |
|---|---|---|---|---|---|
| Age | 41.39 (11.46) | 40.28 (9.32) | 38.22 (10.47) | 10.65** | 1>3 |
| Race- White | 570 (60.00%) | 89 (65.44%) | 208 (58.92%) | 5.14 | ns |
| Gender- male | 581 (72.99%) | 64 (52.89%) | 264 (84.89%) | 50.76** | 3>1>2 |
| Education (years) | 12.16 (2.30) | 12.44 (2.41) | 11.76 (1.98) | 6.09* | 2>3 |
| Married | 101 (12.69%) | 24 (19.83%) | 23 (7.40%) | 9.46* | 2>3 |
| Illness duration | 15.13 (10.87) | 12.08 (9.35) | 13.24 (10.50) | 7.23* | 1>2 |
| PANSS- Positive | 18.25 (5.77) | 18.17 (5.36) | 19.15 (5.34) | 3.51 | ns |
| PANSS- Negative | 20.28 (6.45) | 20.23 (6.65) | 19.86 (6.23) | 0.57 | ns |
| PANSS- General | 36.34 (9.28) | 38.73 (9.68) | 38.21 (9.09) | 7.79** | 3>1 |
| CDS1 score | 12.94 (4.10) | 16.07 (5.25) | 14.22 (4.33) | 37.30** | 2>3>1 |
| ITAQ2 score | 17.77 (5.24) | 19.39 (4.22) | 18.61 (4.73) | 8.27** | 2>1 |
| SF-123- Physical | 48.66 (9.83) | 45.66 (11.76) | 47.95 (10.31) | 5.31* | 1>2 |
| SF-12- Mental | 42.15 (11.85) | 36.59 (10.76) | 39.29 (10.83) | 18.42** | 1>2,3 |
| Subjective QOL4 | 4.45 (1.39) | 4.04 (1.25) | 4.10 (1.41) | 11.42** | 1>2,3 |
*
p< 0.01,
**
p< 0.001
1
CDS= Calgary Depression Scale
2
ITAQ= Insight and Treatment Attitudes Questionnaire
3
SF-12= Medical Outcomes Short Form-12 item survey
4
QOL= Quality of Life