Identifying children with an intellectual disability: Evaluating the Child and Adolescent Intellectual Disability Screening Questionnaire in Paediatric Neurodevelopmental clinics

McKenzie, Karen, Murray, George, Murray, Aja Louise, Delahuntly, Lauren, Hutton, Linda, Murray, Kara and O'Hare, Anne (2018) Identifying children with an intellectual disability: Evaluating the Child and Adolescent Intellectual Disability Screening Questionnaire in Paediatric Neurodevelopmental clinics. Developmental Medicine & Child Neurology. ISSN 0012-1622 (In Press)

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Abstract

Aim: To evaluate the psychometric properties of the Child and Adolescent Intellectual Disability Screening Questionnaire (CAIDS-Q) in paediatric neurodevelopment clinics in Scotland.

Methods: Participants were 181 children (aged 6-18 years) attending paediatric services in Scotland, divided into three age groups according to previous CAIDS-Q standardisation cut-off scores. Fifty four (mean age = 117 months, SD = 29.9, male = 37) met the criteria for intellectual disability (ID) and 127 did not (mean age = 120.1 months, SD= 32.7, male =88). A number of psychometric properties of the CAIDS-Q were evaluated, including test-retest and inter-rater reliability, convergent validity, sensitivity, specificity, and positive and negative predictive value based on existing cut-off scores.

Results: Significant positive relationships were found for all three age groups between CAIDS-Q scores and measures of intellectual and adaptive functioning. Test-retest reliability ranged from ‘moderate’ to ‘almost perfect’, while inter-rater reliability ranged from ‘fair’ to ‘almost perfect’. Sensitivity and positive predictive value were 100% for all groups and specificity was between 83% and 94% depending on age. Negative predictive values ranged from 75-91%.

Interpretation: The CAIDS-Q would appear to show psychometric properties that would support its use as a screen for ID in paediatric neurodevelopmental settings.

Item Type: Article
Subjects: B900 Others in Subjects allied to Medicine
C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Becky Skoyles
Date Deposited: 05 Jul 2018 10:25
Last Modified: 18 Jul 2018 10:45
URI: http://nrl.northumbria.ac.uk/id/eprint/34821

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