Abstract
Aim: To develop a Persian version of ABILHAND-Kids and to determine its reliability and validity in Persian-speaking children with cerebral palsy (CP).
Method: The ABILHAND-Kids questionnaire was translated into Persian language and cross-culturally adapted following guidelines. The Persian ABILHAND-Kids was administered to 50 parents of CP children. Among the 50 parents of CP children, 30 of them participated in a test–retest reliability phase. Fifty parents of healthy children participated for discriminative validity.
Results: The Rasch analysis indicated the unidimensionality, reliability, and global invariance of the Persian ABILHAND-Kids. The internal consistency reliability was high (Cronbach’s alpha = 0.96). Floor and ceiling effects were insignificant (4%). The Intraclass Correlation Coefficients of test–retest reliability were 0.96 and 0.70 for item difficulties and children’s measures, respectively. The standard error of measurement and smallest detectable change for CP measure were 11.21 and 31.07%, respectively. The discriminative validity of the Persian ABILHAND-Kids was demonstrated by statistically significant lower ABILHAND-Kids measures in CP children than in healthy children (p < 0.001). Cross-cultural validity between the Persian and original version was established for 19 out of the 21 ABILHAND-Kids items.
Interpretation: The Persian ABILHAND-Kids questionnaire is reliable and valid for assessing manual ability in Persian speaking children with CP.
The Persian version of ABILHAND-Kids is developed and presented as a valid and reliable instrument for use by Persian-speaking clinicians and researchers.
It is now possible for the Persian-speaking researchers to participate in international investigations and to compare Persian data with those from other countries.
Implications for rehabilitation
Acknowledgements
The authors are grateful to the parents for participating in the study. We also thank the Research Deputy, Tehran University of Medical Sciences.
Disclosure statement
No potential conflict of interest was reported by the authors.