Table 1.
Demographics of schizophrenia and control group
| Test statistics |
||||||
|---|---|---|---|---|---|---|
| Schizophrenia group | Control group | χ2 (d.f.) | t-test (d.f.) | F (d.f.) | P | |
| Gender, n (%) | 0.368 (1) | |||||
| Male | 15 (75) | 13 (61.9) | ||||
| Female | 5 (25) | 8 (38.1) | ||||
| Total | 20 (100) | 21 (100) | ||||
| Employment, n (%) | ||||||
| Yes | 0 | 0 | ||||
| No | 20 (100) | 21 (100) | ||||
| Total | 20 (100) | 21 (100) | ||||
| Chronotype, n (%) | 0.215 (1) | |||||
| Moderate morning | 0 | 1 (5) | ||||
| Neutral | 5 (27.8) | 6 (30) | ||||
| Moderate evening | 12 (66.7) | 8 (40) | ||||
| Definitely evening | 1 (5.6) | 5 (25) | ||||
| Season, n (%) | 1.977 (3) | |||||
| Spring | 6 (30) | 4 (19) | ||||
| Summer | 6 (30) | 9 (42.9) | ||||
| Autumn | 5 (25) | 3 (14.3) | ||||
| Winter | 3 (15) | 5 (23.8) | ||||
| Age, years: mean (s.d.) | 38.8 (8.6) | 37.5 (9.6) | 0.466 (39) | 0.644 | ||
| Sleep quality index, mean (s.d.) | 8.32 (3.77) | 4.83 (2.37) | 3.531 (39) | 0.001 | ||
| Mood profile, mean (s.d.) | ||||||
| Total score, week 1 | 13.3 (10.7) | 12.1 (8.4) | ||||
| Total score, week 6 | 14.3 (10) | 9.5 (9) | ||||
| Between groups | 1.614 | 0.22 | ||||
| Between time points | 0.621 | 0.711 | ||||
| Time and group | 1.278 | 0.332 | ||||