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目的探讨大学生就寝时间与代谢综合征部分组分(体质指数、腰围和血压)的关系。方法采用分层整群抽样方法,对池州市2所专科和1所本科高校非毕业年级的186名男生和414名女生,共计600名大学生的睡眠状况和代谢综合征危险因素进行1年随访调查。采用匹兹堡睡眠质量指数量表评价就寝时间和睡眠质量。体质指数、腰围和血压用于评价大学生代谢综合征危险因素。结果与24点前就寝组比较,基线时24点后就寝组在1年后随访时体质指数、腰围和血压中任意2项的发生风险显著增加(调整后OR=2.08,95%CI 1.08~4.02)。基线时24点前就寝组、基线时24点后就寝且随访时24点前就寝组、基线及随访时均24点后就寝组在随访时任意2项组分的风险发生率分别为5.8%、12.5%和15.0%,呈显著增加趋势(Ptrend=0.004)。以基线时24点前就寝组为参照,随访时24点前、24点后就寝组任意2项组分的发生风险升高,但差异无统计学意义(24点前:OR=1.92,95%CI0.94~3.92,P=0.072;24点后:OR=2.40,95%CI 0.86~6.73,P=0.096)。结论就寝过晚与大学生代谢综合征部分组分发生存在显著关联,短期内改善就寝时间可能并不能降低这种风险。
Objective To investigate the relationship between college students’ bedtime and some components of metabolic syndrome (body mass index, waist circumference and blood pressure). Methods A stratified cluster sampling method was used to investigate the sleep condition and risk factors of metabolic syndrome in a total of 600 undergraduates of 2 majors and 2 undergraduates in Chizhou City from a total of 186 boys and 414 females, . The Pittsburgh Sleep Quality Index was used to assess bedtime and quality of sleep. Body mass index, waist circumference and blood pressure were used to assess the risk factors of metabolic syndrome in college students. Results Compared with the pre-sleep group at 24 hours, the risk of any two of the body mass index, waist circumference and blood pressure was significantly increased in the sleep group at 24 hours after baseline at 1-year follow-up (OR = 2.08, 95% CI 1.08-4.02 ). Sleeping group at baseline at 24 o’clock, sleeping at baseline after 24 o’clock and sleeping at 24 o’clock at follow-up, and risk of any two components at baseline and at 24 o’clock at follow-up at follow-up were 5.8% 12.5% and 15.0%, showing a significant increase (Ptrend = 0.004). At baseline 24 hours before bedtime group as a reference, follow-up before 24 o’clock, after 24 o’clock sleep group any two components increased risk, but the difference was not statistically significant (before 24 o’clock: OR = 1.92,95% CI 0.94 to 3.92, P = 0.072; after 24 hours: OR = 2.40, 95% CI 0.86 to 6.73, P = 0.096). Conclusions Late bedtime is significantly associated with the occurrence of some components of the metabolic syndrome in college students. Improving the bedtime in the short term may not reduce the risk.