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Table 1 Confirmatory factor analyses of the original six-factor structure and the five-factor structure (EFA-version)

From: Psychometric evaluation of the Forensic Inpatient Observation Scale (FIOS) in youngsters with a judicial measure

   Original 6 factor structure EFA 5 factor structure
Self-care   
1 Wash himself 0.891 0.890
2 Brush teeth 0.944 0.942
3 Change clothes 0.903 0.903
4 Clean room 0.715 0.720
5 Cleaning duty 0.629 0.627
6 Day night rhythm 0.598 0.597
7 Dress himself 0.428  
Social behavior   
8 Present on ward 0.754 0.765
9 Group activities 0.823 0.828
10 Contact others 0.815 0.818
11 Initiate conversation 0.795 0.785
12 Talking experiences 0.688 0.661
13 Sociably present 0.727 0.738
Oppositional behavior   
14 Angry, irritated 0.793 0.775
15 Verbally aggressive 0.904 0.917
16 Utter threats 0.786 0.792
17 Pestering 0.411  
18 Lying 0.710 0.755
19 Sexual remarks 0.440  
20 Split the staff 0.708 0.723
21 Macho behavior 0.589  
22 Behaving overactive 0.590  
23 Recalcitrance 0.676 0.651
Insight   
24 Assertive criticism* 0.658  
25 Talk about offense 0.337  
26 Guilt toward victims 0.365  
27 Seriousness problems 0.732  
Verbal skills   
24 Assertive criticism*   0.649
28 Understand language 0.812 0.812
29 Talking audibly 0.688 0.688
30 Speaking Dutch 0.403 0.403
Distress   
31 Anxious, tense 0.854 0.982
32 Depressed, down 0.679 0.762
33 Stable mood 0.859  
34 Helpless, hopeless 0.613 0.612
35 Thoughts about suicide 0.515 0.617
CFI 0.81 0.90
TLI 0.85 0.93
RMSEA 0.14 0.114
% of explained variance 49.0 59.6
  1. Note: * Item 24 loads in the original 6 factor structure on the Insight scale and in the EFA 5 factor structure on the Verbal skills scale.