Characteristics of participants in the study
| Fatigued employees on sick leave, n=151 | CFS patients on sick leave, n=97 | |
|---|---|---|
| Data are mean (SD) or *number of participants (%). | ||
| **Data not available for CFS patients. | ||
| Demographic variables | ||
| Sex (M/F)* | 68/83 (45/55) | 24/73 (25/75) |
| Age (years) | 43.4 (8.3) | 38.8 (8.9) |
| Educational attainment (1=low to 7=high) | 3.8 (1.6) | 4.4 (1.5) |
| Study variables | ||
| Fatigue severity (CIS) | 48.7 (6.2) | 53.0 (3.5) |
| Duration of fatigue complaints in months | 27.4 (29.5) | 62.0 (64.5) |
| Duration of absenteeism in weeks | 12.3 (4.9) | ** |
| Physical functioning (SF-36) | 59.9 (25.3) | ** |
| Burnout (MBI-GS) | ||
| Exhaustion | 3.4 (1.5) | ** |
| Professional efficacy | 4.0 (1.1) | ** |
| Cynicism | 2.2 (1.3) | ** |
| Psychological distress (SCL-90) | 182.7 (50.5) | 171.3 (41.8) |
| Depression (BDI) | 14.8 (7.4) | 14.2 (6.9) |
| General physical activity (actometer) | 63.7 (25.7) | 61.7 (20.1) |
| Self efficacy (self efficacy scale) | 15.1 (3.5) | 14.3 (3.4) |
| Psychological attributions (CAL) | 12.3 (2.6) | 9.6 (2.4) |
| Somatic attributions (CAL) | 9.3 (2.5) | 11.3 (2.3) |