The Chinese Longitudinal Healthy Longevity Survey (CLHLS)-Longitudinal Data（1998-2018）

Chinese Longitudinal Healthy Longevity Survey (CLHLS) Chinese Longitudinal Healthy Longevity Study (CLHLS) collected longitudinal data coordinated by the Center for Healthy Aging and Development Studies of National School of Development at Peking University. The baseline survey was conducted in 1998 and the follow-up surveys were conducted in 2000, 2002, 2005, 2008-2009, 2011-2012, 2014 and 2017-2018 in randomly selected about half of the counties and city districts in 23 Chinese provinces. In the 8 waves of the CLHLS conducted in 1998-2018, we have conducted face-to-face home-based 113 thousands interviews, including 19.5 thousand centenarians, 26.8 thousands nonagenarians, 29.7 thousands octogenarians, 25.5 thousands younger elders aged 65-79, and 11.3 thousands middle-age adults aged 35-64. In the latest follow-up survey (2017-2018), 15,874 elder people aged 65 and above were visited, and information about 2,226 elder people deceased during 2014-2018 were collected. The questionnaire data collected provides information on family structure, living arrangements and proximity to children, activities of daily living (ADL), the capacity of physical performance, self-rated health, self-evaluation of life satisfaction, cognitive functioning, chronic disease prevalence, care needs and costs, social activities, diet, smoking and drinking behaviors, psychological characteristics, economic resources, and care giving and family support among elderly respondents and their relatives. Information about the health status of the CLHLS participants who were interviewed in the previous wave but died before the current survey was collected by interviewing a close family member. Information provided consists of cause of death, chronic diseases, ADL before dying, frequency of hospitalization or instances of being bedridden from the last interview until death, whether bedridden before death, length of disability and suffering before death, etc. As of March 10, 2020 according to incomplete statistics, there are 8019 registered CLHLS data users (excluding their students and other group members), and they produced following publications using the CLHLS datasets: 356 papers written in English, published in U.S. or European peer-reviewed journals, 455 papers written and published in peer-reviewed Chinese journals, 17 books (in English or in Chinese), 35 Ph.D. dissertations and 104 M.A. theses successfully defended at Universities inside and outside of China.

中国老年健康与长寿追踪调查（Chinese Longitudinal Healthy Longevity Survey, CLHLS）由北京大学国家发展研究院健康老龄化与发展研究中心协调开展数据收集工作。该项目的基线调查于1998年启动，后续随访调查分别于2000年、2002年、2005年、2008-2009年、2011-2012年、2014年及2017-2018年进行，覆盖中国23个省份中随机抽取的约半数县及市辖区。在1998-2018年间开展的8轮CLHLS调查中，研究团队共完成11.3万次面对面家庭访谈，受访对象包括1.95万名百岁老人、2.68万名九旬老人、2.97万名八旬老人、2.55万名65-79岁低龄老年人，以及1.13万名35-64岁的中年成年人。在2017-2018年的最新一轮随访调查中，研究团队共访问了15874名65岁及以上老年人，并收集了2226名2014-2018年间去世老年人的相关信息。本次调查收集的问卷数据涵盖家庭结构、居住安排与子女亲疏程度、日常生活活动能力（Activities of Daily Living, ADL）、身体活动能力、自评健康状况、生活满意度自评、认知功能、慢性病患病率、护理需求与成本、社会活动、饮食、吸烟饮酒行为、心理特征、经济资源，以及老年受访者及其亲属的照料供给与家庭支持情况。对于前一轮调查受访但在本轮调查前去世的参与者，研究团队通过访谈其近亲属收集相关信息，具体包括死亡原因、所患慢性病、临终前的日常生活活动能力、末次访谈至去世期间的住院频次或卧床情况、临终前是否卧床、残疾持续时长及临终前痛苦状况等。截至2020年3月10日的不完全统计，CLHLS共有8019名注册数据使用者（不含其学生及其他团体成员），利用该数据集产出的研究成果包括：发表于欧美同行评议期刊的英文论文356篇、发表于国内同行评议期刊的中文论文455篇、中英文学术专著17部，以及在中国境内外高校顺利答辩的博士学位论文35篇、硕士学位论文104篇。

搜集汇总

背景与挑战

背景概述

该数据集是中国老年健康影响因素跟踪调查（CLHLS）的纵向数据，覆盖1998年至2018年，包含11.3万人次的面访数据，重点关注65岁及以上老年人的健康状况、生活质量及家庭支持等信息。数据集还包含已死亡老人的健康信息，具有广泛的学术和应用价值。