Construct validity of language independent functional evaluation as used by Spanish-speaking clinicians to evaluate persons with developmental delays.

Abstract

OBJECTIVE This study aimed to establish the utility of Language Independent Functional Evaluation (LIFE) as used by clinicians. DESIGN This study was a prospective trial involving 100 Spanish-speaking rehabilitation clients between the ages of 9 and 45 yrs with cognitive disability and 2 rehabilitation clinicians who cared for them at a Colombian inpatient and outpatient rehabilitation facility. Clinicians who had worked with clients for more than 2 mos rated their function using the LIFE and the Spanish-translated Barthel index. RESULTS Overall LIFE scores correlated well with Barthel scores (r[98] = 0.793, P < 0.0001) and also on an item-to-item basis in all activities except grooming, bowel continence, and bladder continence. CONCLUSIONS The LIFE is a reliable tool for clinicians to use in the assessment of persons with cognitive disability, regardless of the clinician's language.

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