Examination of psychometric properties of PROMIS®: Pediatric upper limb measures in youth with cerebral palsy

Introduction This study examines the validity and distribution characteristics of the PROMIS® pediatric upper limb measures in a sample of young people with cerebral palsy. Method Data are a cross-sectional subset of a larger prospective study of the responsiveness to change of PROMIS® pediatric mea...

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Bibliographic Details
Published in:The British journal of occupational therapy 2018-07, Vol.81 (7), p.393-401
Main Authors: Mulcahey, Mary Jane, Slavin, Mary D, Pengsheng, Ni, Kratz, Anna, Kisala, Pamela A, Tulsky, David S, Jette, Alan M
Format: Article
Language:English
Subjects:
Cerebral palsy
Computer adaptive testing
Functional impairment
Mobility
Pediatrics
Physical ability
Quantitative psychology
Responsiveness
Short forms
Surgery
Youth
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Summary:Introduction This study examines the validity and distribution characteristics of the PROMIS® pediatric upper limb measures in a sample of young people with cerebral palsy. Method Data are a cross-sectional subset of a larger prospective study of the responsiveness to change of PROMIS® pediatric measures following surgery to improve functioning in young people with cerebral palsy. Ninety-three participants between the ages of eight and 21 years completed the PROMIS® pediatric mobility and upper limb computer adaptive tests and short forms in conjunction with a set of static “legacy” measures of physical functioning, including a parent-report of upper limb function. Results The PROMIS® Pediatric upper limb short form demonstrated acceptable internal consistency (Cronbach’s alpha = 0.85). PROMIS® pediatric upper limb computer adaptive tests and short form mean values (42.1(11) and 43(10.4), respectively) were nearly 1 SD below normal, which is appropriate when a generic measure is used in a sample of young persons with cerebral palsy. The PROMIS® pediatric upper limb computer adaptive tests had a higher frequency of ceiling effects (29.50%) compared to the short form (18.30%). Conclusion Results of this study suggest that the PROMIS® pediatric upper limb computer adaptive tests and the short form are valid indicators of upper limb function in young people with cerebral palsy. The item bank can be replenished to address ceiling effects.
ISSN:0308-0226
1477-6006
DOI:10.1177/0308022618757961