Development and validation of a functional screening tool for adults with intellectual disabilities.

EXPERIMENTAL design; RESEARCH evaluation; FUNCTIONAL status; RESEARCH methodology evaluation; RESEARCH methodology; MEDICAL screening; INTER-observer reliability; DESCRIPTIVE statistics; PEOPLE with intellectual disabilities; SENSITIVITY & specificity (Statistics); ADULTS

Background: The dynamic nature of intellectual disability necessitates repeated screening. Method: The functional screening tool (FST‐ID) for individuals with intellectual disabilities was carefully constructed. Results: The FST‐ID General Adaptive Composite score (GAC) runs between 0 and 68 points. Criterion validity—high‐positive correlations were found between FST‐ID and ABAS‐II (Gold standard), and between the severity of the intellectual disability and the FST‐ID (r = 0.78, p <.001). The scale holds high‐internal consistency and intra‐ and inter‐rater reliability values. The cut‐off point between mild and moderate disability is 50.4 (Sensitivity: 87%, Specificity 86%, p <.001) and 29.4 between moderate to severe‐profound (Sensitivity: 96%, Specificity 94%, p <.001). Conclusions: The FST‐ID presents high‐psychometric properties and requires less than 5 min to complete. Using this tool may support efficient screening practices and improved supports for adults with intellectual disability. [ABSTRACT FROM AUTHOR]

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