Development of a Japanese version of the Epworth Sleepiness Scale (JESS) based on Item Response Theory

• Published in: Sleep medicine Vol. 10; no. 5; pp. 556 - 565
• Main Authors: Takegami, Misa, Suzukamo, Yoshimi, Wakita, Takafumi, Noguchi, Hiroyuki, Chin, Kazuo, Kadotani, Hiroshi, Inoue, Yuichi, Oka, Yasunori, Nakamura, Takaya, Green, Joseph, Johns, Murray W., Fukuhara, Shunichi
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 01.05.2009
• Subjects: Adolescent; Adult; Cross-Sectional Studies; Daytime sleepiness; Epworth Sleepiness Scale; Female; Humans; Hypersomnolence, Idiopathic - complications; Hypersomnolence, Idiopathic - diagnosis; Hypersomnolence, Idiopathic - psychology; Item Response Theory; Japan; Male; Middle Aged; Narcolepsy - complications; Narcolepsy - diagnosis; Narcolepsy - psychology; Neurology; Predictive Value of Tests; Psychological Theory; Psychometric propensities; Psychometrics; Reliability; Reproducibility of Results; Severity of Illness Index; Sleep Apnea, Obstructive - complications; Sleep Apnea, Obstructive - diagnosis; Sleep Apnea, Obstructive - psychology; Sleep Medicine; Surveys and Questionnaires; Validity; Young Adult; Japan; Epworth Sleepiness Scale; Validity; Daytime sleepiness; Reliability; Psychometric propensities; Item Response Theory

Background Various Japanese versions of the Epworth Sleepiness Scale (ESS) have been used, but none was developed via standard procedures. Here we report on the construction and testing of the developer-authorized Japanese version of the ESS (JESS). Methods Developing the JESS involved translations,...