Qazvin Employee Cohort Study

Cohort facts:

Location of cohort: Qazvin – Qazvin Province

Main Ethnicities of participants: Fars, Turk

Conducted by: Qazvin University of Medical Sciences


  • Amir Peymani PhD
  • Seyyed Mehdi Mirhashemi PhD
  • Mohammad Ali Masoomifar MD
  • Maryam Javadi PhD
  • Mohammad Mahdi Emamjomeh PhD
  • Sima Hashemipour MD
  • Babak Pakbin PhD
  • Zohreh Yazdi MD
  • Mehdi Ranjbaran PhD

Study Execution:

The PERSIAN Employee Cohort Study started in Qazvin in March 2021 and enrollment is currently ongoing.

Principal Investigator: Zahra Hosseinkhani, 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