Insomnia among Japanese adolescents: a nationwide representative survey

摘要: STUDY OBJECTIVES: Although a number of previous studies have examined the prevalence insomnia among adolescents, there been very few nationwide studies. The objectives this study were to clarify insomnia, its symptoms, and associated factors Japanese adolescents. DESIGN AND SETTING: This was designed as cross-sectional sampling survey. targets junior senior high schools throughout Japan. Sample selected by cluster sampling. Self-reported anonymous questionnaires sent for all students fill out. PARTICIPANTS: A total 103,650 adolescents responded, 102,451 subjected analysis. INTERVENTION: N/A. MEASUREMENTS RESULTS: difficulty initiating sleep, maintaining early morning awakening 14.8%, 11.3%, 5.5%, respectively. Insomnia defined presence one or more these three symptoms. 23.5%. Multivariate analyses revealed that, school students, male sex, poor mental health, skipping breakfast, drinking alcohol, smoking, not participating in extracurricular activities, late bedtime had significantly higher odds ratios insomnia. Among same characteristics with ratio additional factor having no intent at university. CONCLUSION: is common multiple factors. results suggest need comprehensive program prevent Language: en