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Cohort Profile: The China Multi-Ethnic Cohort (CMEC) Study

By Xing Zhao, Feng Hong, Jianzhong Yin, Wenge Tang, Gang Zhang, Xian Liang, Jingzhong Li, Chaoying Cui, Xiaosong Li, on behalf of the China Multi-Ethnic Cohort (CMEC) collaborative group

Posted 18 Feb 2020
medRxiv DOI: 10.1101/2020.02.14.20022970

Cohort purposeThe China Multi-Ethnic Cohort (CMEC) is a community population-based prospective observational study aiming to address the urgent need for understanding NCD prevalence, risk factors and associated conditions in resource-constrained settings for ethnic minorities in China. Cohort BasicsA total of 99 556 participants aged 30 to 79 years (Tibetan populations include those aged 18 to 30 years) from the Tibetan, Yi, Miao, Bai, Bouyei, and Dong ethnic groups in Southwest China were recruited between May 2018 and September 2019. Follow-up and attritionAll surviving study participants will be invited for re-interviews every 3-5 years with concise questionnaires to review risk exposures and disease incidence. Furthermore, the vital status of study participants will be followed up through linkage with established electronic disease registries annually. Design and MeasuresThe CMEC baseline survey collected data with an electronic questionnaire and face-to-face interviews, medical examinations and clinical laboratory tests. Furthermore, we collected biological specimens, including blood, saliva and stool, for long-term storage. In addition to the individual level data, we also collected regional level data for each investigation site. Collaboration and data accessCollaborations are welcome. Please send specific ideas to corresponding author at: xingzhao@scu.edu.cn.

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