New Version of the Pediatric Evaluation of Disability Inventory (PEDI-CAT): Translation, Cultural Adaptation to Brazil and Analyses of Psychometric Properties

Overview

Journal Braz J Phys Ther

Specialty Rehabilitation Medicine

Date 2016 Jun 23

PMID 27333475

Citations 16

Authors

Marisa C Mancini

Wendy J Coster

Maira F Amaral

Bruna S Avelar

Raphael Freitas

Rosana F Sampaio

Affiliations

Soon will be listed here.

Abstract

Background: The Pediatric Evaluation of Disability Inventory-Computer Adaptive Test (PEDI-CAT), developed with innovative measurement methodologies, evaluates functioning of children and youth, from 0 to 21 years, with different health conditions. It is a revision of an earlier instrument (PEDI) that has been used in national and international clinical practice and research. It was felt to be necessary to make this new version (PEDI-CAT) available in Brazil.

Objectives: Translate and culturally adapt the PEDI-CAT to the Brazilian-Portuguese language and test its psychometric properties.

Method: This methodological study was developed through the following stages: (1) translation, (2) synthesis, (3) back-translation, (4) revision by an expert committee, (5) testing of the pre-final version, and (6) evaluation of the psychometric properties. The 276 translated PEDI-CAT items were divided into three age groups (0-7, 8-14, and 15-21 years).

Results: The PEDI-CAT translation followed all six stages. The adaptations incorporated cultural and socioeconomic class specificities. The PEDI-CAT/Brazil showed good indices of inter-examiner (intraclass correlation coefficient-ICC=0.83-0.89) and test-retest (ICC=0.96-0.97) reliability, good internal consistency (0.99) and small standard error of measurement in all three age groups (0.12-0.17). Factor analyses grouped the items from the three functional skills domains into one factor, and items from the responsibility scale into three factors, supporting the adequacy of these factor solutions to the conceptual structure of the instrument and the developmental model.

Conclusion: The PEDI-CAT/Brazil is a theoretically consistent, culturally appropriate, and reliable instrument. Its availability in Brazil will contribute to the evaluation and measurement of functional outcomes from clinical interventions, longitudinal follow-up, and rehabilitation research.

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