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  • Title: Sociodemographic factors associated with sleep quality and sleep duration in adolescents from Santa Catarina, Brazil: what changed between 2001 and 2011?
    Author: Hoefelmann LP, Lopes Ada S, da Silva KS, Moritz P, Nahas MV.
    Journal: Sleep Med; 2013 Oct; 14(10):1017-23. PubMed ID: 23890599.
    Abstract:
    OBJECTIVE: We aimed to identify and compare the sociodemographic and economic factors associated with perceived sleep quality and sleep duration in high school students from Santa Catarina, Brazil (2001 and 2011). METHODS: Our study used a school-based, cross-sectional survey administered in 2001 and 2011 to high school students aged 15-19 years (n=5028 in 2001; n=6529 in 2011) enrolled in public schools in Santa Catarina, Brazil. RESULTS: The students responded to a questionnaire that asked about the number of hours slept on school days (insufficient, <8 h; sufficient, > or = 8 h), perceived sleep quality (adequate or poor), sociodemographic characteristics (gender, age, and area), economic factors (work and family income), and school-related variables (grade and shift). The prevalence of poor sleep quality and insufficient sleep increased by 31.2% and 45.9%, respectively, between 2001 and 2011. Remunerated employment, urban environment, male gender, and high family income were strongly associated with these outcomes. CONCLUSIONS: There was a notable increase in insufficient sleep and the perception of poor sleep quality among the students in Santa Catarina in the last decade. Public policies are needed to ameliorate this situation, which has disastrous consequences for the health of adolescents.
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