相关实验视频
Updated: May 12, 2025

06:48
Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
Published on: July 29, 2020
4.4K
根据Nova分类来评估食品知识的工具的调整和验证,以适应巴西环境
Kamila Tiemann Gabe1,2, Gilberto Bassetto Junior1, Patricia Constante Jaime1,2
1Universidade de São Paulo, Núcleo de Pesquisas Epidemiológicas em Nutrição e Saúde, São Paulo, SP, Brazil.
概括
一个名为Nova-Conhecimento的新工具有效地使用Nova分类来衡量巴西的食品知识. 较高的分数与减少超加工食品的消费相关,有助于饮食指导.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
- 饮食评估 饮食评估
背景情况:
- 诺瓦分类根据加工水平对食品进行分类:未加工/微加工,加工和超加工.
- 评估公众对食品加工的理解对于促进更健康的饮食至关重要.
- 现有的工具可能对巴西等多样化的人口不具有上下文相关性.
研究的目的:
- 为巴西人口适应和验证基于Nova分类的食品知识评估工具.
- 评估该工具在巴西环境中的差别和趋同有效性.
主要方法:
- 适应加拿大食品知识工具的巴西,命名为Nova-Conhecimento.
- 专家审查和与目标用户进行预测.
- 通过比较营养和教育学生之间的分数来评估歧视性有效性.
- 在NutriNet巴西队列 (n=1,245) 中,通过与超加工食品消费的关联来检查合的有效性.
主要成果:
- 与教育学生相比,营养学学生的Nova-Conhecimento分数显著更高 (6.7比5.3;p<0.001).
- 新知度得分每增加1个点都与超加工食品的饮食贡献下降1.03个百分点有关 (p<0.001).
结论:
- 新知知识 (Nova-Conhecimento) 工具是衡量与巴西Nova分类相关的食品知识的有效工具.
- 这种经过验证的工具可以支持与巴西人口饮食指南一致的食品和营养监测计划.
相关概念视频
Reliability and Validity
12.6K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
12.6K
Key Elements for Plant Nutrition
18.5K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
18.5K
Classification of Systems-II
123
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
123
Classification of Systems-I
158
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
158
Sensitivity, Specificity, and Predicted Value
138
In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
Sensitivity is the...
Sensitivity is the...
138
Assessment of the Gastrointestinal System II: Health Perception Pattern
57
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
57

