Perpetuating factor for fatigue | Instrumentation |
---|---|
1. Dysfunctional cognitions with respect to the disease | Impact of Event Scale [49] Pictorial Representation of Self and Illness Measure (PRISM) [50] Illness Cognitions Questionnaire (ICQ) [51] |
2. Dysfunctional cognitions with respect to pain | Medical Outcome Study 36-Item Short-Form Health Survey (SF-36; domain: pain) [52] Daily Observed Pain (DOP) [53] Pain Catastrophizing Scale (PCS) [54] |
3. Dysfunctional cognitions with respect to fatigue | Self-Efficacy Scale [18] Jacobsen Fatigue Catastrophizing Scale (J-FCS) [55] |
4. Dysfunctional attention to fatigue and pain | Illness Management Questionnaire (IMQ) [56] |
5. Deregulation of sleep | Sickness Impact Profile (SIP; domain: sleep and rest) [57] Symptom Checklist-90 (SCL-90; domain: sleep) [58] |
6. Deregulation of physical activities | Chronic Fatigue Syndrome-activity questionnaire (CFS-AQ; domain: physical activity) [59] |
7. Deregulation of social activities | Medical Outcome Study 36-Item Short-Form Health Survey (SF-36; domain: social functioning) [52] Chronic Fatigue Syndrome-activity questionnaire (CFS-AQ; domain social activity) [59] Sickness Impact Profile (SIP; domain: social interaction) [57] |
8. Deregulation of mental activities | Checklist Individual Strength (CIS; domain: concentration) [47] Sickness Impact Profile (SIP; domain: alertness/intellectual functioning) [57] Chronic Fatigue Syndrome-activity questionnaire (CFS-AQ; domain: mental) [59] |
9. Low social support and negative social interactions | Social Support Inventory-Interactions (SSL-I_08) [60] Social Support Inventory-Discrepancies (SSL-D_08) [60] |