Impulsivity as a risk factor for weight gain and body roundness change among college freshmen.
Impulsivity as a risk factor for weight gain and body roundness change among college freshmen.
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DOI：
10.1016/j.eatbeh.2020.101435
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发表时间：
2020-12
期刊：
影响因子：
2.8
通讯作者：
Fazzino TL
中科院分区：
文献类型：
--
作者：
Bjorlie K;Fazzino TL
由于美味食物的大量供应，大学环境被认为是一个致肥胖的环境。然而，只有少数新生体重增加。个人水平的风险因素，如冲动，可能在预测体重和肥胖的变化。具有冲动决策风格的人可能会以牺牲长期健康为代价，喜欢立即奖励的食物。在强烈情绪下寻求奖励食物的人也可能处于危险之中。该研究测试了决策（延迟折扣; DD）和情绪驱动的冲动（紧迫感）作为大一期间1）体重和2）身体圆度变化的风险因素。新生（N = 103）完成问卷调查评估DD，积极紧迫感（PU），和消极紧迫感（NU）。在学年开始和结束时收集体重和身体圆度指数（BRI）。四个重复测量回归模型检查了预测1）体重和2）BRI变化的冲动因素。模型分别包括基线体重和身高或BRI。协变量包括平均每日卡路里摄入量、步行能量消耗和性别。在检查体重的模型中，当保持协变量不变时，DD和NU均与随访时的体重无显著相关性（B = 0.008，p = 0.977; B = 0.280，p = 0.075）。相反，PU与随访时的体重显著相关（B = 0.303，p = 0.033）。在检查BRI的模型中，DD（B =-0.039，p = 0.511）和PU（B = 0.049，p = 0.072）与随访时的BRI无关。相比之下，随访时NU与BRI显著相关（B = 0.068，p = 0.017）。预防驱动的冲动可能是大一期间体重增加或身体圆度变化的风险因素。
The college setting is considered an obesogenic environment due to high availability of palatable foods. However, only a minority of freshmen gain weight. Individual-level risk factors, such as impulsivity, may hold utility in predicting weight and adiposity changes. Individuals with an impulsive decision-making style may favor immediately rewarding foods at the expense of long-term health. Individuals who seek rewarding foods during strong emotions may also be at risk. The study tested decisional (delay-discounting; DD) and emotion-driven impulsivity (urgency) as risk factors for 1) weight and 2) body roundness change during freshman year. Freshmen (N = 103) completed questionnaires assessing DD, positive urgency (PU), and negative urgency (NU). Weight and body roundness index (BRI) were collected at the beginning and end of the academic year. Four repeated measures regression models examined impulsivity factors predicting change in 1) weight and 2) BRI. Models included baseline weight and height or BRI, respectively. Covariates included average daily caloric intake, energy expenditure from walking, and sex. In models examining weight, neither DD nor NU were significantly associated with weight at follow-up (b = 0.008, p = .977; b = 0.280, p = .075) when holding covariates constant. In contrast, PU was significantly associated with weight at follow-up (b = 0.303, p = .033). In models examining BRI, DD (b = −0.039, p = .511) and PU (b = 0.049, p = .072) were not associated with BRI at follow-up. In contrast, NU was significantly associated with BRI at follow-up (b = 0.068, p = .017). Emotion-driven impulsivity may be a risk factor for weight gain or change in body roundness during freshman year.
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影响因子：
6.9
作者：
Amlung, M.;Petker, T.;MacKillop, J.
通讯作者：
MacKillop, J.
DOI：
10.1007/s40614-016-0070-9
发表时间：
2016-10-01
期刊：
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影响因子：
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作者：
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影响因子：
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作者：
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影响因子：
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作者：
Francis, Lori A.;Susman, Elizabeth J.
通讯作者：
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