The Psychometric Properties of Richard Campbell Sleep Questionnaire in Patients in Intensive Care Unit

Background: Patients hospitalized in critical care units are at risk for developing different health problems such as sleep disorders. Detection of sleep disorders is very important and needs the appropriate tools. This study was aimed to determine the psychometric properties of Richard Campbell sleep questionnaire. Methods: This methodological study was conducted in the cardiac surgery intensive care unit (CICU) of Military Hospital of Tehran in 2016. A standard translation of the questionnaire was provided, and face and content validity of the questionnaire were qualitatively evaluated by the main users (patients) and experts, respectively. Reliability of the questionnaire was determined using Inter-rater reliability and internal consistency. In this study, 100 patients who met the inclusion criteria were selected using convenience sampling method. On the 2nd and 3rd day after the hospitalization, quality of their past night’s sleep was measured using