Vernon M Grant, Emily J Tomayko, Raymond D Kingfisher
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引用次数: 0
摘要
研究目的在这项研究中,我们调查了城市美国印第安人(AI)六至八年级青少年的肥胖、体育活动(PA)、睡眠和屏幕时间模式。研究方法我们从 3 所中学招募了一个青少年样本(N = 36),让他们参与这项观察性抽样调查。青少年填写了一份人口统计学和屏幕时间调查表,测量了身高和体重,并连续 7 天佩戴手腕加速度计以评估 PA 和睡眠。结果显示约 42% 的参与者超重或肥胖。平日平均屏幕时间为 254.7±98.1 分钟。与平日相比,周末久坐活动增加(平日,159.2±81.1 分钟 vs 周末,204.3±91.7 分钟;p = .03),剧烈活动(平日,20.9±19.1 分钟 vs 周末,5.7±8.1 分钟;p = .0001)和中度至剧烈活动(平日,192.65±62.3 分钟 vs 周末,141±71.7 分钟;p = .002)减少。与平日相比,周末的总睡眠时间(平日,512.8±48.6 分钟 vs 周末,555.3±84.3 分钟;p = .007)和卧床时间(平日,487.3±49.6 分钟 vs 周末,528.6±71.2 分钟;p = .01)有所增加。结论在设计有针对性的肥胖预防干预措施时,必须考虑到平日到周末在活动量和睡眠方面的变化。
Sleep and Physical Activity Patterns in Urban American Indian Children.
Objectives: In this study, we examined patterns of obesity, physical activity (PA), sleep, and screen time in urban American Indian (AI) youth in the 6th-8th grade. Methods: A youth sample (N = 36) from 3 middle schools was recruited to participate in this observational sample of convenience. Youth completed a demographic and screen time survey, measurements of height and weight, and wore a wrist accelerometer continuously for 7 days to assess PA and sleep. Results: Approximately 42% of participants were overweight or obese. Average weekday screen time was 254.7±98.1 minutes. Compared to weekdays, weekend sedentary activity increased (weekday, 159.2±81.1 minutes vs weekend, 204.3±91.7 minutes; p = .03) and vigorous PA (weekday, 20.9±19.1 minutes vs weekend, 5.7±8.1 minutes; p = .0001) and moderate-to-vigorous PA (weekday, 192.65±62.3 minutes vs weekend, 141±71.7 minutes; p = .002) decreased. Compared to weekdays, weekend total sleep time (weekday, 512.8±48.6 minutes vs weekend, 555.3±84.3 minutes; p = .007) and time in bed (weekday, 487.3±49.6 minutes vs weekend, 528.6±71.2 minutes; p = .01) increased. Conclusions: Weekday to weekend shifts in PA and sleep must be considered when designing targeted obesity prevention interventions.