| Name of the Instrument/Tool | Functional Disability Inventory (FDI) |
| First Description |
Walker LS, Greene JW. The functional disability inventory: measuring a neglected dimension of child health status. J Pediatr Psychol. 1991 Feb;16(1):39-58. |
| Year | 1991 |
| Domains | |
| Concept of constructs | Physical function, Activities of daily living |
| Population/Disease | Generic |
| Originally developed for | --- |
| Other rheumatic diseases where can be applied (only if validated) |
Fibromyalgia (FM) |
| Additional population with no rheumatic diseases |
Yes Pediatric pain conditions |
| Language: Originally published in | English |
| Available in Language | Persian, Portuguese, German, Italian, Arabic |
| REFERENCE IDENTIFICATION | |
| Author/s | Walker LS, Greene JW |
| Title | The functional disability inventory: measuring a neglected dimension of child health status |
| Journal | J Pediatr Psychol |
| Year | 1991 |
| Vol | 16 |
| Num | 1 |
| Pages | 39-58 |
| Country | English |
| Language | USA |
| Other references of interest | |
| Link | https://pubmed.ncbi.nlm.nih.gov/21458162/ |
| Brief Description |
Clinical utility and validity of the Functional Disability Inventory among a multicenter sample of youth with chronic pain |
| Link | https://pubmed.ncbi.nlm.nih.gov/16480823/ |
| Brief Description |
Functional assessment of pediatric pain patients: psychometric properties of the functional disability inventory |
| Link | https://pubmed.ncbi.nlm.nih.gov/33091238/ |
| Brief Description |
Measures of Juvenile Fibromyalgia |
| Instrument/Tool Translations References | |
| Link | https://pubmed.ncbi.nlm.nih.gov/31599172/ |
| Brief Description |
European Portuguese version of the functional disability inventory: translation and cultural adaptation, validity, and reliability in adolescents with chronic spinal pain |
| Link | https://pubmed.ncbi.nlm.nih.gov/25381304/ |
| Brief Description |
Rasch Analysis of the Arabic Language Version of the Functional Disability Inventory |
| Link | https://pubmed.ncbi.nlm.nih.gov/30134282/ |
| Brief Description |
Assessment of Pain-related Disability in Pediatric Chronic Pain: A Comparison of the Functional Disability Inventory and the Pediatric Pain Disability Index |
| DEVELOPER CONTACT INFORMATION | |
| Correspondence to | Lynn S Walker |
| lynn.walker@vanderbilt.edu | |
| Address | Vanderbilt, Nashville, Tennessee, USA |
| Website | --- |
| Available | --- |
| Links | --- |
| DESCRIPTION OF THE INSTRUMENT | |
| Type Of Measure | Questionnaire |
| Brief Description |
The FDI is a brief 15-item measure of impairment in daily functioning in children and adolescents with chronic pain. The FDI assesses difficulty with completing activities in a number of domains, including home, school, recreational, and social settings. The child or adolescent rates the degree of difficulty in completing each activity. The FDI is generalizable across many chronic pain conditions, including chronic abdominal pain, recurrent pain, and headache |
| Number of Items | 15 |
| Range | FDI total scores range from 0 to 60 |
| Responses options/scale |
Yes Responses are rated on a 5-point Likert scale (0 = no trouble, 1 = a little trouble, 2 = some trouble, 3 = a lot of trouble, and 4 = impossible) regarding amount of difficulty in performing each activity. |
| Developed for | Clinical practice, Research |
| PRACTICAL APPLICATION | |
| Method of administration | Self-administered, Interviewer/assessor |
| Recommendations to score |
Each item’s score ranges from 0 to 4 on a Likert scale, and the total score is a sum of endorsed items |
| Score Interpretation | Higher scores indicating greater functional disability |
| Cut-off points | No/minimal disability (score of 0-12), moderate disability (score of 13-29), and severe disability (score of 30 or higher).Youth with chronic pain generally endorse scores in the moderate range of disability (score of 13-29) |
| Cut-off points applied to | --- |
| Smallest detectable change if described | --- |
| Smallest detectable change applied to | --- |
| Completion time by the patient | <10 minutes |
| Scoring time by the assessor | 5-10 minutes |
| Training to score | Not necessary |
| Strengths | Easy to use, Useful in clinical practice & research |
| Limitations | --- |
| OTHER COMMENTS | |
| Other Comments | --- |