Journal of intellectual disability research : JIDR · 2026
Testing the Reliability of the Short Physical Performance Battery in Institutionalized Individuals With Intellectual and Developmental Disabilities.
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Lopes Filipa, Rodrigues Filipe, Diz Susana, Monteiro Diogo, Amaro Nuno, Matos Rui, Antunes Raúl, Jacinto Miguel
Аннотация
BACKGROUND: This study aimed to evaluate the reliability of the Short Physical Performance Battery (SPPB) in institutionalized adults with intellectual and developmental disabilities.
METHODS: The final sample consisted of 32 individuals with intellectual and developmental disabilities (15 men and 17 women), with a mean age of 35.31 ± 15.93 years and all participants were institutionalized.
RESULTS: The total SPPB score exhibited excellent internal consistency (α = 0.929) and excellent test-retest reliability (ICC = 0.931; p ≤ 0.001), indicating a high degree of measurement stability for the composite score.
CONCLUSIONS: It is concluded that the SPPB may be a reliable tool for assessing physical function in institutionalized individuals with intellectual and developmental disabilities, although specific adaptations may be necessary to maximize its reliability. However, results should be interpreted as preliminary considering the relatively small and heterogeneous sample.
METHODS: The final sample consisted of 32 individuals with intellectual and developmental disabilities (15 men and 17 women), with a mean age of 35.31 ± 15.93 years and all participants were institutionalized.
RESULTS: The total SPPB score exhibited excellent internal consistency (α = 0.929) and excellent test-retest reliability (ICC = 0.931; p ≤ 0.001), indicating a high degree of measurement stability for the composite score.
CONCLUSIONS: It is concluded that the SPPB may be a reliable tool for assessing physical function in institutionalized individuals with intellectual and developmental disabilities, although specific adaptations may be necessary to maximize its reliability. However, results should be interpreted as preliminary considering the relatively small and heterogeneous sample.