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Journal of Pediatric Psychology Advance Access published online on May 22, 2008
Journal of Pediatric Psychology, doi:10.1093/jpepsy/jsn048
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© The Author 2008. Published by Oxford University Press on behalf of the Society of Pediatric Psychology. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Reliability and Validity of the Child Health QuestionnairePF-50 for European Children with Cerebral Palsy

Nichola McCullough, PhD1, Jackie Parkes, PhD, BNurs1, Melanie White-Koning, PhD2, Eva Beckung, PT, PhD3 and Allan Colver, MD, FRCPH4

1School of Nursing & Midwifery, Queen's University Belfast, 2Institut National de la Santé et de la Recherche Médicale, Université Paul Sabatier, Faculté de Médecine, 3Göteborg University, The Queen Silvia Children's Hospital, and 4Sir James Spence Institute, Newcastle University, Royal Victoria Infirmary

All correspondence concerning this article should be addressed to Nichola McCullough, School of Nursing & Midwifery, Queen's University Belfast, 10 Malone Road, Belfast, BT9 5BN, UK. E-mail: nichola.mccullough{at}qub.ac.uk


  Abstract

Objective To evaluate the psychometric performance of the Child Health Questionnaire (CHQ) in children with cerebral palsy (CP). Method 818 parents of children with CP, aged 8–12 from nine regions of Europe completed the CHQ (parent form 50 items). Functional abilities were classified using the five-level Gross Motor Function Classification Scheme (Levels I–III as ambulant; Level IV–V as nonambulant CP). Results Ceiling effects were observed for a number of subscales and summary scores across all Gross Motor Function Classification System levels, whilst floor effects occurred only in the physical functioning scale (Level V CP). Reliability was satisfactory overall. Confirmatory factor analysis (CFA) revealed a seven-factor structure for the total sample of children with CP but with different factor structures for ambulant and nonambulant children. Conclusion The CHQ has limited applicability in children with CP, although with judicious use of certain domains for ambulant and nonambulant children can provide useful and comparable data about child health status for descriptive purposes.

Key words: cerebral palsy; child health questionnaire; confirmatory factor analysis; exploratory factor analysis; reliability.

Received November 23, 2007; revision received April 25, 2008; accepted April 25, 2008


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