A Overwijk, W P Krijnen, T I M Hilgenkamp, C P van der Schans, A A J van der Putten, A Waninge
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A questionnaire to measure direct support professionals' attitude towards healthy nutrition of people with intellectual disabilities.
Background: Direct support professionals' (DSPs') attitudes toward nutrition are important for supporting a healthy lifestyle of persons with intellectual disabilities. However, there are no instruments to measure it. The aim of this study was to compose a questionnaire and determine its internal validity.
Method: The previously validated Health Enhancing Physical Activity questionnaire was adapted into the Attitude of DSPs for Health Enhancing Nutrition (ADSP-HENU) and completed by 31 DSPs. The internal validity of the questionnaire was investigated by Cronbach's Alpha and an exploratory non-parametric item response analysis (NIRT).
Results: The internal consistency by Cronbach's Alpha was good (0.87, 95% CI [0.81-0.94]). NIRT showed monotonicity with wide confidence bounds and sufficient point polyserial correlations of the items. This indicates that each attributes to the overall measured attitude.
Conclusion: The internal validity of the ADSP-HENU is promising, and it can be used in daily practice for evaluation or adapting interventions to DSPs' needs.
期刊介绍：
Journal of Intellectual & Developmental Disability (formerly the Australia and New Zealand Journal of Developmental Disabilities) is the official journal of the Australasian Society for the Study of Intellectual Disability (ASSID). JIDD is an international, multidisciplinary journal in the field of intellectual and developmental disability. The journal publishes original qualitative and quantitative research papers, literature reviews, conceptual articles, brief reports, case reports, data briefs, and opinions and perspectives.
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