Development of a sleep-awake instrument for use in a chronic renal population

A pilot study with nine subjects was completed to test instruments and refine methodology for a study of sleep-awake behaviors in end stage renal disease (ESRD) hemodialysis clients pre- and post-ESRD diagnosis with concomitant hemodialysis treatment. The development of the instrument is described. Several sources contributed to content validity. Stability was tested through test-retest reliability.