China Metal-Exposed Workers Cohort Study
The Jinchang Cohort is the largest polymetallic exposure cohort in the world. The cohort includes all workers at the Jinchuan Nonferrous Metals Corporation (JNMC) who have completed a full medical examination since 2011. At baseline, the cohort included over 48,000 participants at baseline, most of whom were men, Han Chinese, married and working in smelting or refining metals. By the end of 2019, the cohort completed three follow-ups, involving 46,713 (2014-2015), 41,888 (2016-2017), and 40,530 (2018-2019) participants, respectively.
Study design
Cohort - occupational, Cohort
Number of participants at first data collection
48001 individuals
Age at first data collection
Varied (participants)
Participant year of birth
Varied (participants)
Participant sex
All
Representative sample at baseline?
No
Sample features
Country
Year of first data collection
2011
Primary Institutions
Jinchuan Nonferrous Metals Corporation (金川集团) (Industry, China)
Lanzhou University (兰州大学) (Academic, China)
Profile paper DOI
Funders
Jinchuan Group Co Ltd (Industry, China)
National Natural Science Foundation of China (国家自然科学基金委员会, NSFC) (Government, China)
Ongoing?
Yes
Data types collected
- Interview – face-to-face
- Physical or biological assessment (e.g. blood, saliva, gait, grip strength, anthropometry)
- Secondary data
- None
- None
- Healthcare data
- Mortality data
Engagement
Keywords
