寻求治疗的肥胖学龄前儿童的睡眠时长与体重之间的关联。
The association between sleep duration and weight in treatment-seeking preschoolers with obesity.
机构信息
Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229-3039, United States.
出版信息
Sleep Med. 2012 Sep;13(8):1102-5. doi: 10.1016/j.sleep.2012.06.019. Epub 2012 Jul 25.
OBJECTIVE
To examine the association between nocturnal sleep duration and weight and caloric intake outcomes among preschool-aged children who are obese and enrolled in a family-based weight management program.
METHODS
Forty-one preschool-aged children who were obese (BMI ≥ 95th percentile) and enrolled in a weight management program completed pre- and posttreatment assessments of body mass, caloric intake, and sleep. Separate linear regression analyses examined the relationship between nocturnal sleep duration and posttreatment body mass index relative to age- and sex-linked norms (BMIz) and caloric intake.
RESULTS
After controlling for pretreatment BMIz, longer posttreatment nocturnal sleep was significantly associated with lower posttreatment BMIz (β=-0.21, p=0.02) and explained a significant proportion of unique variance in posttreatment BMIz (ΔR(2)=0.04). Similarly, after controlling for pretreatment caloric intake, longer nocturnal sleep duration at posttreatment was significantly associated with lower caloric intake at posttreatment (β=-0.45, p=0.003) and explained a significant proportion of unique variance in posttreatment caloric intake (ΔR(2)=0.19).
CONCLUSIONS
These findings extend the literature on the sleep and weight relationship and suggest that adequate sleep may be an important element in interventions for preschoolers with obesity.
目的
探讨参加家庭为基础的体重管理项目的肥胖学龄前儿童中，夜间睡眠时间与体重和热量摄入结果之间的关系。
方法
41 名肥胖（BMI≥第 95 百分位数）并参加体重管理项目的学龄前儿童完成了治疗前后的体重、热量摄入和睡眠评估。单独的线性回归分析检查了夜间睡眠时间与治疗后体重指数相对于年龄和性别相关标准（BMIz）和热量摄入之间的关系。
结果
在控制了治疗前的 BMIz 后，较长的治疗后夜间睡眠时间与较低的治疗后 BMIz 显著相关（β=-0.21，p=0.02），并解释了治疗后 BMIz 中独特方差的显著比例（ΔR(2)=0.04）。同样，在控制了治疗前的热量摄入后，治疗后夜间睡眠时间较长与治疗后热量摄入较低显著相关（β=-0.45，p=0.003），并解释了治疗后热量摄入中独特方差的显著比例（ΔR(2)=0.19）。
结论
这些发现扩展了关于睡眠和体重关系的文献，并表明充足的睡眠可能是肥胖学龄前儿童干预措施的一个重要因素。
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