Birjand Employee Cohort Study

Cohort facts:

Location of cohort: Birjand – South Khorasan Province

Main Ethnicities of participants: Fars

Conducted by: Birjand University of Medical Sciences


  • Toba Kazemi, MD
  • Mohammad Dehghani Firoozabadi, MD
  • Hossein Dehghani, PhD
  • Jalal Ahmadi, MD
  • Hamid Salehinia, PhD
  • Maryam Ali Abadi, MS
  • Davod Javanmard, PhD

Study Execution:

The PERSIAN Employee Cohort Study started in Brijand in September 2021 and enrollment is currently ongoing.

Principal Investigator: Ebrahim Miri-Moghaddam, MD

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