Experimentally Manipulated Low Social Status and Food Insecurity Alter Eating Behavior Among Adolescents: A Randomized Controlled Trial.
Experimentally Manipulated Low Social Status and Food Insecurity Alter Eating Behavior Among Adolescents: A Randomized Controlled Trial.
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DOI：
10.1002/oby.23002
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发表时间：
2020-11
期刊：
影响因子：
--
通讯作者：
Allison DB
中科院分区：
文献类型：
--
作者：
Cardel MI;Pavela G;Janicke D;Huo T;Miller D;Lee AM;Gurka MJ;Dhurandhar E;Peters JC;Caldwell AE;Krause E;Fernandez A;Allison DB
这项随机试验通过实验操纵社会地位，以评估对急性进食行为和24小时能量平衡的影响。参与者(n=133名西班牙裔；15-21岁；60.2%的女性)被随机分成低社会地位或高社会地位的人，在一场操纵垄断™的游戏中。午餐中的急性能量摄入量是通过食物秤来衡量的。通过静息代谢率(代谢车)、体力活动能量消耗(加速计)、食物的热效应和减去24小时能量摄入量(食物日记)的总和来评估24小时能量平衡。在总样本中，午餐时间的学习条件没有观察到显著差异。低水平女性每天午餐所需能量的比例(37.5%)高于高水平女性(34.3%)；然而，这种差异在统计学上并不显著(p=0.291)。而在男性中，低体重者消耗的能量(36.5%)显著低于高体重者(45.8%；p=0.001)。在24小时能量平衡方面，性别差异接近显著(p=0.057；低雌性：盈余+200kcals；高雄性：盈余+445kcals)。食物不安全的人每天午餐时间消耗的能量百分比几乎显著高于食物安全的人(40.7%对36.3%；p=0.0797)。我们的数据表明，在实验操纵的低社会地位条件下，西班牙裔男性和女性青少年之间存在不同的急性和24小时进食行为反应。
This randomized trial experimentally manipulated social status to assess effects on acute eating behavior and 24-hour energy balance. Participants (n=133 Hispanics; 15–21y; 60.2% females) were randomized to LOW or HIGH social status conditions in a rigged game of Monopoly™. Acute energy intake in a lunchtime meal was measured by food scales. 24-hour energy balance was assessed via summation of resting metabolic rate (metabolic cart), physical activity energy expenditure (accelerometer), thermic effect of food, and subtraction of 24-hour energy intake (food diary). In the total sample, no significant differences were observed by study condition at lunchtime. LOW females consumed a greater percent of lunchtime daily energy needs (37.5%) relative to HIGH (34.3%); however, this difference was not statistically significant (p=0.291). Whereas in males, LOW consumed significantly less (36.5%) of their daily energy needs than HIGH males (45.8%;p=0.001). For 24-hour energy balance, sex differences were nearly significant (p=0.057; LOW Females:Surplus +200kcals; HIGH Males:Surplus +445kcals). Food insecure individuals consumed a nearly significant greater lunchtime percent daily energy than those with food security (40.7% vs. 36.3%;p=0.0797). Our data demonstrate differential acute and 24-hour eating behavior responses between Hispanic male and female adolescents in experimentally manipulated low social status conditions.
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作者：
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DOI：
10.1016/j.jand.2017.05.022
发表时间：
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影响因子：
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