15 周运动训练对年轻成年人饮食模式的影响。
The influence of 15-week exercise training on dietary patterns among young adults.
机构信息
Department of Nutritional Sciences, The University of Texas at Austin, Austin, TX, USA.
Departments of Information, Risk, & Operations Management and Statistics & Data Science, The University of Texas at Austin, Austin, TX, USA.
出版信息
Int J Obes (Lond). 2019 Sep;43(9):1681-1690. doi: 10.1038/s41366-018-0299-3. Epub 2019 Jan 18.
BACKGROUND/OBJECTIVES: Little is currently known about how exercise may influence dietary patterns and/or food preferences. The present study aimed to examine the effect of a 15-week exercise training program on overall dietary patterns among young adults.
SUBJECTS/METHODS: This study consisted of 2680 young adults drawn from the Training Intervention and Genetics of Exercise Response (TIGER) study. Subjects underwent 15 weeks of aerobic exercise training, and exercise duration, intensity, and dose were recorded for each session using computerized heart rate monitors. In total, 4355 dietary observations with 102 food items were collected using a self-administered food frequency questionnaire before and after exercise training (n = 2476 at baseline; n = 1859 at 15 weeks). Dietary patterns were identified using a Bayesian sparse latent factor model. Changes in dietary pattern preferences were evaluated based on the pre/post-training differences in dietary pattern scores, accounting for the effects of gender, race/ethnicity, and BMI.
RESULTS
Within each of the seven dietary patterns identified, most dietary pattern scores were decreased following exercise training, consistent with increased voluntary regulation of food intake. A longer duration of exercise was associated with decreased preferences for the western (β: -0.0793; 95% credible interval: -0.1568, -0.0017) and snacking (β: -0.1280; 95% credible interval: -0.1877, -0.0637) patterns, while a higher intensity of exercise was linked to an increased preference for the prudent pattern (β: 0.0623; 95% credible interval: 0.0159, 0.1111). Consequently, a higher dose of exercise was related to a decreased preference for the snacking pattern (β: -0.0023; 95% credible interval: -0.0042, -0.0004) and an increased preference for the prudent pattern (β: 0.0029; 95% credible interval: 0.0009, 0.0048).
CONCLUSIONS
The 15-week exercise training appeared to motivate young adults to pursue healthier dietary preferences and to regulate their food intake.
背景/目的：目前对于运动如何影响饮食模式和/或食物偏好知之甚少。本研究旨在探讨 15 周运动训练计划对年轻人整体饮食模式的影响。
受试者/方法：本研究包括来自运动训练干预和基因对运动反应（TIGER）研究的 2680 名年轻人。受试者接受了 15 周的有氧运动训练，并且使用计算机化心率监测器记录了每次运动的持续时间、强度和剂量。在运动训练前后（基线时为 2476 例，15 周时为 1859 例）使用自我管理的食物频率问卷共收集了 4355 个饮食观察结果和 102 种食物。使用贝叶斯稀疏潜在因子模型识别饮食模式。根据饮食模式得分的训练前后差异，评估饮食模式偏好的变化，同时考虑性别、种族/民族和 BMI 的影响。
结果
在所确定的七种饮食模式中，每种模式的大多数饮食模式评分在运动训练后均下降，这与自愿调节食物摄入量一致。运动持续时间较长与西方（β：-0.0793；95%可信区间：-0.1568，-0.0017）和零食（β：-0.1280；95%可信区间：-0.1877，-0.0637）模式的偏好降低有关，而运动强度较高与谨慎模式（β：0.0623；95%可信区间：0.0159，0.1111）的偏好增加有关。因此，较高的运动剂量与零食模式（β：-0.0023；95%可信区间：-0.0042，-0.0004）的偏好降低和谨慎模式（β：0.0029；95%可信区间：0.0009，0.0048）的偏好增加有关。
结论
15 周的运动训练似乎促使年轻人追求更健康的饮食偏好，并调节他们的食物摄入。
Zotero 插件