Journal of health care for the poor and underserved
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J Health Care Poor Underserved · Feb 2016
Psychometric Validation of the Insomnia Severity Index in Adults with Sickle Cell Disease.
The Insomnia Severity Index (ISI) is an instrument to evaluate insomnia symptoms. The psychometric properties have not been established in adults (18 years of age or older) with sickle cell disease (SCD). ⋯ The ISI demonstrated construct validity and reliability for evaluating insomnia symptomatology among adults with SCD and can be used in research and clinical practice.