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Validation of the Egyptian-Arabic version of ABILHAND-Kids questionnaire: a cross-cultural study
Amira Y El-Dwiny1, Ali H Alnahdi2, Carlyne Arnould3
1Department of Pediatric Physical Therapy, Faculty of Physical Therapy, Horus University, New Damietta, Egypt.
Purpose:
To culturally adapt the ABILHAND-Kids questionnaire into Egyptian Arabic, evaluate its psychometric properties among Egyptian parents of children with cerebral palsy (CP), and examine its cross-cultural validity across three countries.
Materials And Methods:
ABILHAND-Kids questionnaire was translated into Egyptian Arabic following established cross-cultural adaptation guidelines and administered to 89 parents of children with CP. Content validity, structural validity using the Rasch model, internal consistency, and construct and discriminative validity were assessed. Cross-cultural validity was examined through Differential Item Functioning (DIF) analyses comparing Egyptian data with samples from Saudi Arabia (n = 95) and the original Belgian cohort (n = 113).
Results:
The Egyptian-Arabic version of ABILHAND-Kids retained 16 items forming a unidimensional measurement of manual ability for children with CP, regardless of age, gender, CP type, topographical classification, and GMFCS level. Internal consistency was high (person separation index: 0.89-0.90). Both discriminative and construct validities were supported. Almost two-thirds of original items displayed major cross-country DIFs, underscoring the relevance for an Egyptian-specific ABILHAND-Kids calibration.
Conclusion:
The strong psychometric properties of the adapted Egyptian ABILHAND-Kids, combined with its clinical relevance and ease of administration, provide new opportunities for assessing manual ability in Egyptian children with CP in clinical and research settings.
