Tabriz Employee Cohort Study

Cohort facts:

Location of cohort: Tabriz – East Azarbaijan Province

Main Ethnicities of participants: Turk

Conducted by: Tabriz University of Medical Sciences


  • Mohammadhossein Somi, MD
  • Alireza Ostadrahimi, MD, PhD
  • Ali Fakhari, MD
  • Samad Ghafari, MD
  • Khalil Ansarin, MD
  • Asghar Mohammadpoor, PhD

Study Execution:

The PERSIAN Employee Cohort Study started in Tabriz in October 2018 and ended enrollment in October 2021.

Current Activity:  Tabriz Employee Cohort Study is currently performing routine annual follow-ups for the entire cohort population

Principal Investigator: Elnaz Faramarzi, PhD

Overview of Cohort Population

Final Enrolled Sample Size
10,116 individuals
Gender Distribution
47% Male
53% Female
Age Distribution

35% ----35-44 years
34%----45-54 years
24%----55-64 years

Residence Type
70% Urban
30% Rural

Contact information