SEP 3, 2026 · JOURNAL ARTICLE
A nationally representative linked cohort integrating KNHANES, health insurance claims, and mortality data in Korea: construction, linkage performance, and research applications
BMC Public Health
This is a cohort construction and linkage validation study with descriptive epidemiology, not a clinical trial or causal analysis; it demonstrates feasibility and describes patterns but does not test an intervention or establish clinical practice guidance.
Reported
Cross-sectional cohort sample size53326
Longitudinal cohort sample size65447
Linkage rate range64.1% to 85.8%