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相关概念视频

Convenience Sampling Method00:55

Convenience Sampling Method

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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population.
Convenience sampling is a non-random method of sample selection; this method selects individuals that are easily accessible and may result in biased data. For example, a marketing...
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Regulation of Water Intake01:25

Regulation of Water Intake

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Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
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Community Based Intervention01:30

Community Based Intervention

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Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
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Water and Mineral Acquisition02:34

Water and Mineral Acquisition

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Specialized tissues in plant roots have evolved to capture water, minerals, and some ions from the soil. Roots exhibit a variety of branching patterns that facilitate this process. The outermost root cells have specialized structures called root hairs that increase the root surface, thus increasing soil contact. Water can passively cross into roots, as the concentration of water in the soil is higher than that of the root tissue. Minerals, in contrast, are actively transported into root cells.
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Carbonation Shrinkage01:24

Carbonation Shrinkage

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Atmospheric CO2 penetrates the concrete's pores and, in the presence of moisture, forms carbonic acid, which then reacts with calcium hydroxide in the hydrated cement, forming calcium carbonate. This process reduces the concrete's volume and is termed carbonation shrinkage.
The concrete's permeability is slightly reduced as calcium carbonate produced during the reaction fills its pores. Furthermore, its strength is slightly enhanced as the water released during the reaction...
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Quality of Water01:19

Quality of Water

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In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
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相关实验视频

Updated: Jul 15, 2025

A Method for Manipulating Blood Glucose and Measuring Resulting Changes in Cognitive Accessibility of Target Stimuli
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零售苏打水的购买量下降,水的购买量增加:一个社区饮料运动的六年结果

Marlene B Schwartz1,2, Glenn E Schneider3, Ran Xu4

  • 1UConn Rudd Center for Food Policy & Health, University of Connecticut, Hartford, Connecticut.

AJPM focus
|October 4, 2023
PubMed
概括

一个长达6年的干预活动显著减少了马里兰州霍华德县的含糖饮料销售. 平淡水的销售额增加,这表明了竞选活动.

关键词:
含糖甜的饮料 含糖甜的饮料社区健康促进 社区健康促进零售销售 零售销售 零售销售 零售销售

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科学领域:

  • 公共卫生 公共卫生
  • 营养科学 营养科学
  • 卫生政策 卫生政策

背景情况:

  • 含糖饮料 (SSB) 与不利的健康结果有关.
  • 社区层面的干预对于减少SSB消费至关重要.
  • 记录饮料销售的长期影响对于公共卫生战略至关重要.

研究的目的:

  • 评估6年干预活动对饮料销售的长期影响.
  • 评估含糖饮料,饮食苏打水和100%果汁的销售变化.
  • 分析干预后普通水销售的趋势.

主要方法:

  • 差异回归分析对干预 (霍华德县,MD) 和对照超市 (2013-2018) 的销售数据进行了比较.
  • 结果变量包括普通苏打水,运动饮料,水果饮料,饮食苏打水和100%果汁的平均每周销售额.
  • 线性回归模拟了2016-2018年水销售的趋势.

主要成果:

  • 在2012年至2018年期间,普通苏打水 (29.7%),水果饮料 (7.5%) 和100%果汁 (33.5%) 的销售大幅下降.
  • 随着时间的推移,人们注意到减少常规苏打水销售的日益增长的趋势.
  • 从2016年到2018年,普通水的销售额大幅增加.

结论:

  • 多元组件,以社区为基础的努力有效地减少了SSB消费.
  • 协调的信息传递,社区组织和政策宣传可以推动零售饮料销售的持续改善.
  • 干预措施可以导致对健康饮料选择的重大转变.