Methods for Measurement Error in Physical Activity & Diet Data
体力活动测量误差的方法
基本信息
- 批准号:8619115
- 负责人:
- 金额:$ 23.31万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2014
- 资助国家:美国
- 起止时间:2014-01-01 至 2015-12-31
- 项目状态:已结题
- 来源:
- 关键词:Aerobic ExerciseBehavioralBiological MarkersBody Weight decreasedC-reactive proteinChronic DiseaseCoronary heart diseaseDataData AnalysesDietDietary InterventionDietary intakeDiseaseDisease OutcomeEnrollmentEtiologyExerciseGoalsGoldInflammationInsulin ResistanceInterventionLife StyleLinear ModelsMalignant NeoplasmsMeasurementMeasuresMethodsModelingObesityObservational StudyOutcomeOverweightParticipantPatient Self-ReportPhysical activityPhysiologicalPostmenopausePrevention ResearchRandomizedRandomized Controlled TrialsRegression AnalysisResearchResearch Project GrantsSamplingSonStatistical MethodsSurvival AnalysisTimeUnited StatesWeightWomanWomen&aposs Healtharmbasecostdesigndiet and exerciseexperienceimprovedinnovationinstrumentinterestmetabolic abnormality assessmentnutritionpublic health relevancerandomized trialresponsesedentarytool
项目摘要
DESCRIPTION (provided by applicant): The proposed project is in response to PAR-12-197, Improving Diet and Physical Activity Assessment. We are primarily interested in developing and applying innovative statistical methods to assess or correct for measurement errors in physical activity and dietary intake data. We are motivated by physical activity measurement issues involved in the Nutrition and Exercise in Women (NEW) study, conducted from 2005 to 2009. The NEW study was a 12-month randomized, controlled trial using a 4-arm design to compare the effect of three lifestyle-change interventions (dietary weight loss, moderate-to-vigorous intensity aerobic exercise, or both interventions combined) versus control (no lifestyle change). Specific foci of this proposal include: (i) To develop and apply methods in the generalized linear model to adjust for measurement error in physical activity and dietary intake data when their quantiles are used as covariates. (ii) To develop and apply methods in survival analysis to adjust for measurement error in physical activity and dietary intake data when their quantiles are used as covariates. (iii) To develop and apply methods to adjust for measurement error in longitudinal physical activity and dietary intake data when replicates are not available. The proposed models and methods will be applied to the physical activity data of the NEW study, and the Women's Health Initiatives (WHI). Furthermore, the methods developed in the proposal will have general applications to other studies of physical activity and dietary intake data.
描述(由申请人提供):拟议项目是为了响应 PAR-12-197“改善饮食和身体活动评估”。我们主要感兴趣的是开发和应用创新的统计方法来评估或纠正身体活动和饮食摄入数据的测量误差。我们的动机来自 2005 年至 2009 年开展的女性营养与运动 (NEW) 研究中涉及的体力活动测量问题。这项新研究是一项为期 12 个月的随机对照试验,采用 4 组设计,比较三种生活方式改变干预措施(饮食减肥、中度至剧烈强度有氧运动或两种干预措施相结合)与对照(不改变生活方式)的效果。该提案的具体重点包括:(i)开发并应用广义线性模型中的方法,以在身体活动和饮食摄入数据的分位数用作协变量时调整测量误差。 (ii) 开发并应用生存分析方法,以在身体活动和饮食摄入数据的分位数用作协变量时调整测量误差。 (iii) 当无法获得重复数据时,制定并应用方法来调整纵向体力活动和饮食摄入数据的测量误差。所提出的模型和方法将应用于新研究和妇女健康倡议(WHI)的身体活动数据。此外,该提案中开发的方法将普遍应用于其他身体活动和饮食摄入数据的研究。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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CHING-YUN WANG其他文献
CHING-YUN WANG的其他文献
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{{ truncateString('CHING-YUN WANG', 18)}}的其他基金
Joint Modeling of Longitudinal Physical Activity and Diet Data and Survival
纵向身体活动和饮食数据与生存的联合建模
- 批准号:
9893672 - 财政年份:2020
- 资助金额:
$ 23.31万 - 项目类别:
Novel Methods for Missing Subtype Data in Colorectal Cancer
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9813483 - 财政年份:2019
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$ 23.31万 - 项目类别:
Functional Methods for Radiation Exposure and Biomarker Data
辐射暴露和生物标志物数据的功能方法
- 批准号:
7985449 - 财政年份:2010
- 资助金额:
$ 23.31万 - 项目类别:
Functional Methods for Radiation Exposure and Biomarker Data
辐射暴露和生物标志物数据的功能方法
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8098237 - 财政年份:2010
- 资助金额:
$ 23.31万 - 项目类别:
Functional Methods for Radiation Exposure and Biomarker Data
辐射暴露和生物标志物数据的功能方法
- 批准号:
8272632 - 财政年份:2010
- 资助金额:
$ 23.31万 - 项目类别:
MISSING DATA, MEASUREMENT ERROR AND APPLICATIONS
数据缺失、测量错误和应用
- 批准号:
6475608 - 财政年份:1997
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$ 23.31万 - 项目类别:
MISSING DATA, MEASUREMENT ERROR AND APPLICATIONS
数据缺失、测量错误和应用
- 批准号:
6124238 - 财政年份:1997
- 资助金额:
$ 23.31万 - 项目类别:
MISSING DATA, MEASUREMENT ERROR AND APPLICATIONS
数据缺失、测量错误和应用
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2837333 - 财政年份:1997
- 资助金额:
$ 23.31万 - 项目类别:
MISSING DATA, MEASUREMENT ERROR AND APPLICATIONS
数据缺失、测量错误和应用
- 批准号:
6328635 - 财政年份:1997
- 资助金额:
$ 23.31万 - 项目类别:
MISSING DATA, MEASUREMENT ERROR AND APPLICATIONS
数据缺失、测量错误和应用
- 批准号:
2449990 - 财政年份:1997
- 资助金额:
$ 23.31万 - 项目类别:
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