Table 2 Socio-demographic and clinical characteristics of the three samples
From: QLiS-SF: Development of a short form of the quality of life in schizophrenia questionnaire
Sample 1 | Sample 2 | Sample 3 | ||
|---|---|---|---|---|
Cross-sectional sample – first half | Cross-sectional sample – second half | Significance of difference between sample 1 & 2 (χ 2 test or t-test) | Longitudinal sample | |
Sample size | n = 251 | n = 261 | n = 364 | |
Sex (% male) | 61% | 55% | 0.185 | 59% |
Age (in years) | 38.3 (± 11.5) | 39.9 (± 11.6) | 0.132 | 39.0 (± 11.7) |
Family status | 0.862 | |||
Single | 73% | 69% | 72% | |
Married | 14% | 18% | 15% | |
Divorced/separated | 11% | 12% | 12% | |
Widowed | 1% | 1% | 1% | |
Education | 0.329 | |||
None | 5% | 8% | 5% | |
Special education | 1% | 2% | 1% | |
Intermediate | 53% | 58% | 57% | |
Technical high school | 2% | 3% | 3% | |
University entrance qualification | 33% | 23% | 27% | |
Unknown | 6% | 7% | 7% | |
Vocational status | 0.612 | |||
No work | 38% | 34% | 37% | |
Sheltered work | 11% | 11% | 12% | |
Normal work status | 22% | 20% | 20% | |
Retired worker | 21% | 30% | 25% | |
Other | 9% | 5% | 7% | |
Age at onset of illness | 28.2 (± 9.2) | 29.0 (± 10.1) | 0.346 | 28.3 (± 9.5) |
Duration of illness (in years) | 9.5 (± 9.2) | 10.6 (± 9.6) | 0.229 | 10.1 (± 9.5) |
Global Assessment of Functioning (GAF) | 48.6 (± 15.1) range 15–90 | 48.3 (± 16.1) range 6–91 | 0.855 | 55.6 (± 14.4) range 22–90 |