Abstract:
OBJECTIVE:The Japanese Sleep Questionnaire for Elementary Schoolers (JSQ-ES) was developed to measure the sleep habits and disturbances of Japanese children. The current study aimed to present psychometric properties and describe the score distribution of the JSQ-ES. In addition, it examined correlations between the sleep and daytime behavior of school-aged children. METHOD:Guardians of 4369 elementary school children and 100 children diagnosed with sleep disorders in two clinics completed the JSQ-ES. RESULTS:Exploratory factor analysis and confirmatory factor analysis suggested a nine-factor structure. The JSQ-ES internal consistency was 0.876 and 0.907 for the community and clinical groups, respectively. Score distribution differences were observed between the two groups. A cut-off point of 80 was identified for the total JSQ-ES score. CONCLUSIONS:Exploratory factor analysis and confirmatory factor analysis suggested a nine-factor structure: (1) restless legs syndrome; (2) sleep-disordered breathing; (3) morning symptoms; (4) nighttime awakenings; (5) insomnia; (6) excessive daytime sleepiness; (7) daytime behavior; (8) sleep habits; and (9) irregular/delayed sleep phase. The study verified that the JSQ-ES is a valid and reliable instrument with which to evaluate Japanese sleep habits using a large population-based sample. The JSQ-ES may be useful in both clinical and academic settings.
journal_name
Sleep Medjournal_title
Sleep medicineauthors
Kuwada A,Mohri I,Asano R,Matsuzawa S,Kato-Nishimura K,Hirata I,Mitsuhosi T,Kagitani-Shimono K,Nakanishi M,Tachibana M,Ohno Y,Taniike Mdoi
10.1016/j.sleep.2017.07.025subject
Has Abstractpub_date
2018-01-01 00:00:00pages
69-77eissn
1389-9457issn
1878-5506pii
S1389-9457(17)30340-4journal_volume
41pub_type
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