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Associations of leisure screen time with cardiometabolic biomarkers in college-aged adults.
Journal of Behavioral Medicine ( IF 2.8 ) Pub Date : 2020-05-26 , DOI: 10.1007/s10865-020-00161-2
Chantal A Vella 1 , Katrina Taylor 2, 3 , Megan C Nelson 2
Affiliation  

We examined whether screen time was associated with cardiometabolic disease (CMD) risk factors in young adults. Ninety-five adults (19.9 ± 11.4 years) self-reported medical and health behavior history, screen time (television viewing, video games and computer games), and dietary intake. Waist circumference, blood pressure, fasting glucose and lipid levels, cardiorespiratory fitness (VO2peak), and body composition were measured. Total sedentary behavior and moderate-to-vigorous physical activity (MVPA) were measured by accelerometer. On average, leisure screen time (2.0 ± 1.6 h day−1) accounted for 24% of total sedentary time (8.4 ± 1.5 h day−1). After adjustment for demographics, smoking, sleep duration, total energy intake, total sedentary time and MVPA, a 1-standard deviation increase in leisure screen time was associated with a 26% higher BMI, 29% higher waist circumference, 25% higher fat mass, 23% higher triglyceride, and 24% lower VO2peak (p < 0.05). Our findings suggest that screen time may contribute to the risk of obesity and CMD in young adults.

中文翻译:

大学生休闲屏幕时间与心脏代谢生物标志物的关联。

我们检查了屏幕时间是否与年轻人的心脏代谢疾病 (CMD) 风险因素相关。95 名成年人(19.9 ± 11.4 岁)自我报告的医疗和健康行为史、屏幕时间(看电视、视频游戏和电脑游戏)和饮食摄入量。测量了腰围、血压、空腹血糖和血脂水平、心肺健康(VO 2峰值)和身体成分。总久坐行为和中度到剧烈的体力活动 (MVPA) 由加速度计测量。平均而言,休闲屏幕时间(2.0 ± 1.6 h day -1)占总久坐时间(8.4 ± 1.5 h day -1)的 24%)。在调整人口统计、吸烟、睡眠时间、总能量摄入、总久坐时间和 MVPA 后,休闲屏幕时间增加 1 个标准差与 BMI 增加 26%、腰围增加 29%、脂肪量增加 25% 相关、高 23% 的甘油三酯和低 24% 的 VO 2峰值 ( p  < 0.05)。我们的研究结果表明,屏幕时间可能会增加年轻人患肥胖症和 CMD 的风险。
更新日期:2020-05-26
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