The development of a handicap assessment questionnaire: the Impact on Participation and Autonomy (IPA)

Objective: To report on the feasibility and psychometric properties in terms of homogeneity and construct validity of a newly developed handicap questionnaire focusing on person-perceived handicaps: the Impact on Participation and Autonomy (IPA). Design: Cross-sectional. Setting, subjects and outcom...

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Bibliographic Details
Published in:Clinical rehabilitation 1999-10, Vol.13 (5), p.411-419
Main Authors: Cardol, Mieke, de Haan, Rob J, van den Bos, Geertrudis A M, de Jong, Bareld A, de Groot, Imelda J M
Format: Article
Language:English
Subjects:
Activities of Daily Living
Adult
Aged
Biological and medical sciences
Chronic Disease
Cross-Sectional Studies
Disability
Disability Evaluation
Disabled Persons - classification
Feasibility Studies
Female
Humans
Male
Measures
Medical sciences
Middle Aged
Patients
Psychology. Psychoanalysis. Psychiatry
Psychometrics. Diagnostic aid systems
Psychopathology. Psychiatry
Quality of Life
Rehabilitation
Reproducibility of Results
Self Care
Self Concept
Sensitivity and Specificity
Surveys and Questionnaires - standards
Techniques and methods
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Summary:Objective: To report on the feasibility and psychometric properties in terms of homogeneity and construct validity of a newly developed handicap questionnaire focusing on person-perceived handicaps: the Impact on Participation and Autonomy (IPA). Design: Cross-sectional. Setting, subjects and outcome measure: One hundred consecutive individuals from the outpatient clinic of the department of rehabilitation of an academic hospital administered the new questionnaire IPA. Results: The results show good homogeneity and construct validity of the IPA. Factor analysis showed that the scale consists of four factors, explaining 68% of the total variance: social relationships, autonomy in self-care, mobility and leisure, and family role. Homogeneity of the four subscales was considered good, Cronbach's α ranged from 0.84 (family role) to 0.87 (social relationships). Feasibility in terms of the number of missing values and administration time needed was satisfactory. Conclusion: The first results suggest that the IPA promises to be a useful handicap questionnaire. Further research is needed to establish test–retest reliability, convergent validity and responsiveness to change.
ISSN:0269-2155
1477-0873
DOI:10.1191/026921599668601325