Zahedan Cohort Study

Cohort facts:

Location of cohort: Zahedan – Sistan & Balouchetan Province

Main Ethnicities of participants: Balouch

Conducted by: Zahedan University of Medical Sciences


  • Mahdi Mohammadi, PhD
  • Seyed Mahdi Tabatabai, PhD
  • Seyed Mohammad Hashemi Shahri, MD
  • Hasan Okati Aliabad, PhD
  • Fariba Shahraki-Sanavi, PhD
  • Kourosh Shahraki, MD

Study Execution:

The PERSIAN Cohort Study started in Zahedan in October 2015, and enrollment ended in February 2019.

Current Activity: Zahedan Cohort Study is currently performing annual follow-ups for the entire cohort population and also conducting a repeated measurement phase for 30% of the enrolled participants who have been selected randomly.

Principal Investigator: Alireza Ansari Moghaddam, PhD

Overview of Cohort Population

Final Enrolled Sample Size
10,072 individuals
Gender Distribution
39% Male
61% Female
Age Distribution

31% ----35-44 years
33%----45-54 years
29%----55-64 years

Residence Type
100% Urban
0% Rural

Contact information