Walker and Greene developed the Functional Disability Inventory (FDI) to evaluate disability in school age children and adolescents. It can be used to measure the outcome following an intervention. The authors are from Vanderbilt University.
Difficulties in doing the following activities: 15 items
Response
Points
no trouble
0
a little trouble
1
some trouble
2
a lot of trouble
3
impossible
4
total score =
= SUM(points for all 15 activities)
Interpretation:
• minimum score: 0
• maximum score: 60
• The higher the score the more severe the child's disability.
Performance:
• Construct, concurrent and predictive validity was demonstrated.
• The instrument was sensitive to changes in the patient's functional status.
• In patients with chronic conditions, test results were stable over time.
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