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Background: Several studies have shown that overweight and obesity is associated with sleep disorders.
Aim: The aim of this study was to determine the association between sleep disorders and overweight and obesity in Portuguese adolescents.
Methods: In a cross-sectional approach we assessed 7136 students from twenty-six schools of the district of Viseu, Portugal. The overweight and obesity was evaluated by the body mass index (BMI). Insomnia was defined based on the DSM-IV criteria, as the presence of one or more symptoms:difficulty initiating sleep;difficulty maintaining sleep;early morning awakening and difficulty getting back to sleep;non-restorative sleep.
Results: The prevalence of overweight and obesity among the adolescents is 32.9% (higher in male gender 37.9% vs. 28.6%,p<0.001) and 4.7% (higher in male gender 6.7% vs. 2.9%,p<0.001), respectively. The prevalence of symptoms of insomnia is 21.4%. Insomnia is present in 22.4% of adolescents with overweight and 25.5% with obesity. Insomnia is associated with overweight (OR=1.32 95%CI1.1-1.86) and obesity (OR=1.11 95%CI1.0-1.30). Among the female gender insomnia was associated with overweight (OR=1.2 95%CI1.0-1.43) and obesity (OR=1.64 95%CI1.2-2.78) and also among the male gender (overweight,OR=1.31 95%CI1.1-1.71 and obesity,OR=1.62 95%CI1.01-2.61).
Conclusions: The association between sleep disorders and obesity has not been fully clarified, however, several studies predict that the association is bidirectional.
Descrição
Palavras-chave
Obesidade Obesity Sleep disorders Perturbações do sono Overweight Excesso de peso Adolescent Adolescente Portugal
Contexto Educativo
Citação
Pereira, C; Amaral, O; Veiga, N. Association of sleep disorders with overweight and obesity in a Portuguese community sample of adolescents. Obes Rev. 2014;15(Suppl. 2):127-8.
Editora
Wiley