Individual Study / HEXA

KoGES_health examinees (HEXA) study

KoGES_health examinees (HEXA) study

Initiatives -
Start Year
End Year
Supplementary Information
The Korean Genome and Epidemiology Study (KoGES) Consortium (6)
Visit HEXA


Investigators Contacts
  • Dr. Prof. Daehee Kang
    Seoul National University College of Medicine


Study design
Population cohort
Follow Up
Baseline(2004-2013)- 1st Follow up (2007 - 2016). Medical institutions have conducted active follow-up and recruit existing cohort members at 2-year intervals. To do so, they send an information leaflet by mail and make phone calls about the follow-up study. At follow-up, cohort members are examined by questionnaire, laboratory tests, and provide blood and urine samples.The principal purpose of passive follow-up is to ascertain cases by employing Korean health-related databases. In addition, the occurrence of cancer can be verified through National Cancer Registration data from the National Cancer Center (NCC). In cases of deaths during follow-up, the National Statistical Office confirms the cause of death.

Marker Paper

Health Examinees Study Group. The Health Examinees (HEXA) study: rationale, study design and baseline characteristics. Asian Pac J Cancer Prev. 2015;16(4):1591-7. doi: 10.7314/apjcp.2015.16.4.1591.

PUBMED 25743837


Sources of Recruitment
  • Individuals

Number of participants

Number of participants
Number of participants with biosamples
Supplementary Information
Individuals within the age range of 40-69 living in urban cities that have had health examination at medical centers


Availability of data and biosamples


Availability of access information

On the study website :