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The International Classification of Functioning, Disability and Health: development of capacity and performance scales

The International Classification of Functioning, Disability and Health: development of capacity and performance scales
The International Classification of Functioning, Disability and Health: development of capacity and performance scales
Objective: There has been no attempt to obtain a continuous summary measure of disability from the checklist of the International Classification of Functioning, Disability and Health (ICF). Our objective was to assess whether valid scales of Capacity and Performance could be developed from the "Activities and Participation" domain of the ICF checklist.

Study design and setting: A multicenter, observational study of 1,092 patients with 12 different chronic conditions from five European countries was conducted. Exploratory and confirmatory factor analyses were performed to assess the underlying factor structure. Reliability and validity of the Capacity and Performance scales were evaluated. Construct validity was assessed calculating effect size coefficients between extreme severity groups (discriminant ability).

Results: The good fit of the confirmatory factor model supported the global scales of Capacity and Performance and their "Psychosocial" and "Physical" subscales. Reliability was excellent (coefficients=0.79-0.92). Effect sizes of most conditions were large for the Capacity global scale (0.50-3.05), and slightly lower for the Performance global scale (0.45-2.57).

Conclusions: Our findings support the measurement model, reliability, and validity of the Capacity and Performance scales. Summary measures of functioning based on the ICF can be obtained using these scales, which should facilitate their incorporation in clinical and epidemiological studies.
disability evaluation, health, public health, reliability, validity, factor analysis
1400-1411
Almansa, Josue
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Ayuso-Mateos, Jose Maria
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Garin, Olatz
fbdb410a-12db-42f5-b09d-bd42705149b2
Chatterji, Somnath
a285ff42-8a0c-4136-a89a-3f64f364b6ea
Kostanjsek, Nenad
23ae1206-2272-4cf5-9b2f-ba06f3352dbb
Alonso, Jordi
25223701-b2aa-435e-b47a-5e78a5e63615
Valderas, Jose Maria
486297b3-c041-4a3d-bc4f-3848a8d8e7e3
Cieza, Alarcos
a0df25c5-ee2c-4580-82b3-d0a75591580e
Raggi, Alberto
71456b1b-fb31-428c-b6fd-e785282573de
Svestkova, Olga
16994996-46b9-4a09-a9b0-98fd4f9661a3
Burger, Helena
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Racca, Vittorio
3549254a-a1d4-4b25-af59-2e60e979b6d9
Vieta, Eduard
278d5918-f513-47dc-94a3-da918d05e24b
Leonardi, Matilde
0cb9e8e2-0a5e-483b-ace9-b5b8f7d6231e
Ferrer, Montserrat
5ff57d5c-9e25-44bb-b61f-d985fc523a0d
Almansa, Josue
7934d6c0-750d-41b5-957a-a759ef2b4889
Ayuso-Mateos, Jose Maria
178f87f0-08bb-4c2a-af86-3e669fe7b169
Garin, Olatz
fbdb410a-12db-42f5-b09d-bd42705149b2
Chatterji, Somnath
a285ff42-8a0c-4136-a89a-3f64f364b6ea
Kostanjsek, Nenad
23ae1206-2272-4cf5-9b2f-ba06f3352dbb
Alonso, Jordi
25223701-b2aa-435e-b47a-5e78a5e63615
Valderas, Jose Maria
486297b3-c041-4a3d-bc4f-3848a8d8e7e3
Cieza, Alarcos
a0df25c5-ee2c-4580-82b3-d0a75591580e
Raggi, Alberto
71456b1b-fb31-428c-b6fd-e785282573de
Svestkova, Olga
16994996-46b9-4a09-a9b0-98fd4f9661a3
Burger, Helena
3a56466d-1fe2-48d3-84b0-4d427821c74d
Racca, Vittorio
3549254a-a1d4-4b25-af59-2e60e979b6d9
Vieta, Eduard
278d5918-f513-47dc-94a3-da918d05e24b
Leonardi, Matilde
0cb9e8e2-0a5e-483b-ace9-b5b8f7d6231e
Ferrer, Montserrat
5ff57d5c-9e25-44bb-b61f-d985fc523a0d

Almansa, Josue, Ayuso-Mateos, Jose Maria, Garin, Olatz, Chatterji, Somnath, Kostanjsek, Nenad, Alonso, Jordi, Valderas, Jose Maria, Cieza, Alarcos, Raggi, Alberto, Svestkova, Olga, Burger, Helena, Racca, Vittorio, Vieta, Eduard, Leonardi, Matilde and Ferrer, Montserrat (2011) The International Classification of Functioning, Disability and Health: development of capacity and performance scales. Journal of Clinical Epidemiology, 64 (12), 1400-1411. (doi:10.1016/j.jclinepi.2011.03.005). (PMID:21669511)

Record type: Article

Abstract

Objective: There has been no attempt to obtain a continuous summary measure of disability from the checklist of the International Classification of Functioning, Disability and Health (ICF). Our objective was to assess whether valid scales of Capacity and Performance could be developed from the "Activities and Participation" domain of the ICF checklist.

Study design and setting: A multicenter, observational study of 1,092 patients with 12 different chronic conditions from five European countries was conducted. Exploratory and confirmatory factor analyses were performed to assess the underlying factor structure. Reliability and validity of the Capacity and Performance scales were evaluated. Construct validity was assessed calculating effect size coefficients between extreme severity groups (discriminant ability).

Results: The good fit of the confirmatory factor model supported the global scales of Capacity and Performance and their "Psychosocial" and "Physical" subscales. Reliability was excellent (coefficients=0.79-0.92). Effect sizes of most conditions were large for the Capacity global scale (0.50-3.05), and slightly lower for the Performance global scale (0.45-2.57).

Conclusions: Our findings support the measurement model, reliability, and validity of the Capacity and Performance scales. Summary measures of functioning based on the ICF can be obtained using these scales, which should facilitate their incorporation in clinical and epidemiological studies.

Full text not available from this repository.

More information

e-pub ahead of print date: 12 June 2011
Published date: December 2011
Keywords: disability evaluation, health, public health, reliability, validity, factor analysis
Organisations: Psychology

Identifiers

Local EPrints ID: 340988
URI: https://eprints.soton.ac.uk/id/eprint/340988
PURE UUID: fcb80a48-7a0b-4af6-8323-95015d6261b1

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Date deposited: 10 Jul 2012 09:09
Last modified: 18 Jul 2017 05:39

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Contributors

Author: Josue Almansa
Author: Jose Maria Ayuso-Mateos
Author: Olatz Garin
Author: Somnath Chatterji
Author: Nenad Kostanjsek
Author: Jordi Alonso
Author: Jose Maria Valderas
Author: Alarcos Cieza
Author: Alberto Raggi
Author: Olga Svestkova
Author: Helena Burger
Author: Vittorio Racca
Author: Eduard Vieta
Author: Matilde Leonardi
Author: Montserrat Ferrer

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