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Table 2 Outcome measures, predictors of outcome and instrumentation

From: Fatigue In Teenagers on the interNET - The FITNET Trial. A randomized clinical trial of web-based cognitive behavioural therapy for adolescents with chronic fatigue syndrome: study protocol. [ISRCTN59878666]

  Instruments T0 T1 T2 T3
Primary outcome parameters      
Fatigue severity Checklist Individual Strength (CIS subscale fatigue) [19] X X X X
Physical Functioning Child Health Questionnaire (CHQ-CF87 subscale physical functioning) [20] X X X X
School presence Last two weeks school presence expressed in attended hours/obliged hours * 100%[3] X X X X
Secondary outcome parameters      
Self rated improvement short questionnaire consisting of 3 items [3] X X X X
Possible patient's predictors of treatment outcome     
Depression score Child Depression Inventory (CDI) [21, 22] X    
Anxiety score Spielberger State-Trait Anxiety Inventory for Children, STAIC [23, 24] X    
Somatisation score Children's Somatisation Inventory (CSI) [25, 26] X    
Physical activity Actometer and Self-observation list daily functioning [27, 28] X X X  
Self-efficacy Self Efficacy Scale-28[2] X    
Perceptions of parental rearing behaviours EMBU-A [29] X    
Possible parental predictors of treatment outcome     
Fatigue severity Checklist Individual Strength (CIS subscale fatigue) [19] X    
Psychological distress Symptom Checklist (SCL-90) [30, 31] X    
Focussing on bodily symptoms subscale private body consciousness of the Body Consciousness Scale [32, 33] X    
Perceptions of rearing behaviours EMBU-P [34] X    
Causal attributions CAL [19] X