不匹配的肉类和植物性食是否会改变植物性食的选择? 在线假设随机试验中的评估
Emma E Garnett1, Elizabeth Biggs1, Elif Naz Çoker1
1University of Oxford, Nuffield Department of Primary Care Health Sciences, OX2 6GG, UK.
Appetite
|March 9, 2026
概括
提供无与伦比的植物性和肉类食增加了植物性食物选择. 这种策略,其中纯素选择与肉类选择不同,显示了鼓励更健康的饮食习惯的希望.
科学领域:
- 行为经济学是一种行为经济学.
- 食物选择 建筑 食物选择 建筑
- 营养科学 营养科学
背景情况:
- 食物环境显著影响饮食选择.
- 增加植物性饮食的策略对于公共健康和可持续性至关重要.
- 在食品环境中",匹配"与"不匹配"的餐食呈现概念尚未得到充分探索.
研究的目的:
- 调查提供"无可匹配"的植物性和肉类餐对假设食物选择的影响.
- 在匹配与不匹配的场景中比较植物性选择的选择率.
- 评估可用的植物性选项的数量如何影响选择.
主要方法:
- 在英国进行了一项在线假设选择研究.
- 吃肉的参与者 (n=704) 被随机分配,看两个或三个主要餐,与匹配或不匹配的植物性和肉类选择.
- 素食主义者和素食主义者参与者 (n=220) 评估了配对和不配对的植物性选择以及肉类选择的餐饮套餐.
主要成果:
- 吃肉的参与者更有可能选择植物性食,当选项没有匹配时 (30.4%与21.2%的两餐; 44.6%与37.4%的三餐).
- 增加植物性选择的可用性也大大增加了肉食者之间的选择.
- 素食主义者和素食主义者的选择没有受到匹配/不匹配的呈现的显著影响,与他们现有的偏好保持一致.
结论:
- 将植物性食作为与肉类选择"无可匹配"的做法可能是一个有效的策略,可以在肉食者中增加其选择.
- 可用的植物性选择的数量是影响饮食选择的关键因素.
- 需要进一步的现实世界研究来确认这种"无与伦比"的策略是否转化为实际的饮食行为变化.
相关概念视频
Bioavailability Study Design: Healthy Subjects Versus Patients
196
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
196
Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs
347
Bioequivalence experimental study designs are crucial methodologies used in evaluating and comparing the bioavailability of different drug products. These designs are categorized into various types: completely randomized, randomized block, repeated measures, cross and carry-over, and Latin square designs.Completely randomized designs involve randomly allocating treatments to all subjects participating in the experiment. This allocation is achieved by assigning unique random numbers to subjects...
347
Confirmation Biases
8.5K
The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
8.5K
Randomized Experiments
9.2K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
Simple randomization
Simple...
9.2K
Bioavailability Study Design: Single Versus Multiple Dose Studies
305
Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
305
Bioavailability Study Design: Absolute Versus Relative Bioavailability
492
Bioavailability is a crucial pharmacokinetic parameter that quantifies the proportion of an administered drug that reaches the systemic circulation and is available for therapeutic action. Regulatory agencies mandate the assessment of bioavailability, typically measured as the area under the drug plasma concentration-versus-time curve (AUC), to ensure the efficacy and safety of pharmaceutical products. These evaluations are categorized as absolute and relative bioavailability studies.Absolute...
492


