来自健康调查的空间顺序数据的贝叶斯模型
Miguel Ángel Beltrán-Sánchez1, Miguel-Angel Martinez-Beneito1, Ana Corberán-Vallet1
1Department of Statistics and Operations Research, University of Valencia, Burjassot (Valencia), Spain.
Statistics in medicine
|July 18, 2024
概括
这项研究引入了贝叶斯模型,用于从调查中估计健康指标,特别是在小区域. 该方法准确地绘制了不同地区的自我感知健康状况图,有助于获得公共卫生洞察力.
科学领域:
- 公共卫生 公共卫生
- 生物统计学 生物统计学
- 空间分析 空间分析
背景情况:
- 健康调查提供了常规注册表中无法获得的关于健康指标的关键数据.
- 顺序变量和个别共变量在健康调查数据中很常见.
- 小区域估计对于理解局部公共卫生趋势至关重要.
研究的目的:
- 为基于调查的健康指标的小区域估计提出贝叶斯的个人级别模型.
- 将顺序数据和空间依赖性纳入模型.
- 为了能够将结果推断到包括小区域在内的各种行政区分.
主要方法:
- 一个贝叶斯的个体级模型,利用对顺序数据的分类概率.
- 使用条件自回归分布将空间依赖纳入.
- 后分层的应用用于将估计额外推断到不同的面积单位.
主要成果:
- 该方法被成功应用到估计自我感知健康指标.
- 描述了瓦伦西亚地区自我感知健康的地理分布 (2016年).
- 该模型证明了对基于调查的健康指标进行有效的小区域估计.
结论:
- 建议的贝叶斯模型是有效的小区域估计的顺序健康指标.
- 该方法允许对健康数据进行详细的地理映射.
- 这种方法通过提供本地化的健康见解来加强公共卫生监测和规划.
更多相关视频
相关概念视频
Ordinal Level of Measurement
23.4K
The way a set of data is measured is called its level of measurement. Correct statistical procedures depend on a researcher being familiar with levels of measurement. For analysis, data are classified into four levels of measurement—nominal, ordinal, interval, and ratio.
Data measured using an ordinal scale are similar to nominal scale data, but there is one major difference. The ordinal scale data can be ordered. An example of ordinal scale data is a list of the top five national parks...
Data measured using an ordinal scale are similar to nominal scale data, but there is one major difference. The ordinal scale data can be ordered. An example of ordinal scale data is a list of the top five national parks...
23.4K
Ranks
235
Unlike parametric methods, nonparametric statistics are ideal for nominal and ordinal data, requiring fewer assumptions about the population's nature or distribution. This makes nonparametric methods easier to apply and interpret, as they do not depend on parameters like mean or standard deviation. One common approach in nonparametric analysis is to sort data according to a specific criterion. For instance, we might arrange weather data from hottest to coldest days in a month or rank cities...
235
Mechanistic Models: Compartment Models in Individual and Population Analysis
36
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
36
Statistical Methods for Analyzing Epidemiological Data
346
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
346
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
67
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
67
Friedman Two-way Analysis of Variance by Ranks
178
Friedman's Two-Way Analysis of Variance by Ranks is a nonparametric test designed to identify differences across multiple test attempts when traditional assumptions of normality and equal variances do not apply. Unlike conventional ANOVA, which requires normally distributed data with equal variances, Friedman's test is ideal for ordinal or non-normally distributed data, making it particularly useful for analyzing dependent samples, such as matched subjects over time or repeated measures...
178


