The Greek version of the Richards-Campbell Sleep Questionnaire: Reliability and validity assessment

Abstract

AbstractAimTo translate the RCSQ into Greek and to determine the reliability and validity of the Greek version of the RCSQ as a measure of sleep among ICU patients in a Greek hospital.MethodsThis study investigated the night-time sleep of 50 patients admitted to the general ICU of General Hospital of Athens “G. Gennimatas” between January 2022– March 2023.The RCSQ questionnaire was used for the present study with the written permission of its author. All guidelines for translating and adapting psychometric scales were followed for translating the RCSQ into Greek. Demographic-clinical characteristics (sex, age, days in hospital, days on mechanical ventilation, days on spontaneous breathing, whether they underwent tracheotomy and the type of tracheotomy, and whether they received a mild sedation formulation to promote sleep) were collected from the participants. Reliability was tested using Cronbach’s alpha coefficient.ResultsThe Cronbach’s correlation coefficientαwas calculated 0.906 revealing excellent reliability of the RCSQ. No question removal significantly increased the coefficient value.ConclusionThe Greek version of the Richards-Campbell Sleep Questionnaire could be used as an alternative to polysomnography when assessing sleep quality in intensive care unit patients.