2011-2018CLHLS

The data for this study come from the the Chinese Longitudinal Healthy Longevity Survey (CLHLS), the largest cohort study of the elderly population in China, organised by the Centre for Healthy Ageing and Development at Peking University and the National Institute for Development Research. The CLHLS covered 23 provinces, municipalities, and autonomous regions, with a cumulative total of 113,000 household interviews, and randomly selected about half of the cities and counties as research sites in the 22 research provinces (excluding Hainan Province). The survey was approved by the Institutional Review Board of Peking University(IRB00001052-13074). All participants or their legal representatives provided written informed consent.本研究的数据源自中国老年健康与长寿追踪调查（Chinese Longitudinal Healthy Longevity Survey, CLHLS），该调查是中国规模最大的老年人群队列研究，由北京大学健康老龄与发展研究中心与国家发展研究院联合组织。本次调查覆盖23个省、自治区及直辖市，累计完成11.3万户家庭访谈；在22个研究省份（不含海南省）中，随机抽取约半数市县作为调研现场。本调查已通过北京大学机构审查委员会（Institutional Review Board, IRB）审批，审批编号为IRB00001052-13074，所有参与者或其法定代理人均已签署书面知情同意书。

搜集汇总

背景与挑战

背景概述

该数据集是中国最大的老年人口队列研究CLHLS的一部分，覆盖23个省份，累计113,000户家庭访谈，最终分析样本量为7,035。研究探讨了体力活动、WWI与全因死亡率的关系，并进行了中介效应分析。