一个系统的审查和对不可预测性和饮食失调的元分析评估
Tomás Cabeza de Baca1, Hannah T Fry1,2, Andrés M Treviño-Alvarez1,3
1Obesity and Diabetes Clinical Research Section, Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases, Phoenix, Arizona, USA.
概括
感知到的不可预测性与有障碍的饮食行为有关. 这一系统性审查证实了一个小但重要的关联,强调需要更好的评估工具来了解其对健康的影响.
科学领域:
- 心理学 心理学 心理学
- 公共卫生 公共卫生
- 营养科学 营养科学
背景情况:
- 在生活经验,食物获取或信仰中感知到的不可预测性可能会影响饮食失调.
- 以前关于不可预测性和饮食失调的研究已经产生了不一致的结果.
- 了解这种关系对于解决体重增加和未来健康问题至关重要.
研究的目的:
- 系统地审查和元分析所感知的不可预测性与饮食行为障碍之间的关联.
- 检查成人和儿童饮食失调的主观和客观指标.
- 确定影响不可预测性饮食障碍联系的潜在调节者.
主要方法:
- 在2023年7月进行了系统审查,搜索了六个主要的学术数据库.
- 确定了20篇相关研究文章,并将15项研究 (n=9983) 的数据纳入了元分析.
- 对83个相关系数进行了四级随机效应元分析.
主要成果:
- 在不可预测性和饮食失调之间发现了一个小但具有统计意义的积极关联 (r=0.12).
- 观察到高程度的异质性 (I2=86.72%),表明研究之间存在显著的变化.
- 原产国,饮食失调的测量,无法预测的慢性和研究人口统计 (女性的百分比) 是显著的调节因素.
结论:
- 感知到的不可预测性是饮食失调行为的重要相关因子.
- 这种异质性表明,对于不可预测性和饮食障碍,需要更精细的测量工具.
- 用改进的方法进行进一步的研究是必不可少的,以充分阐明不可预测性对饮食行为和健康结果的影响.
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