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
Co-Investigators:
- 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
53% Female
Age Distribution
35% ----35-44 years
34%----45-54 years
24%----55-64 years
7%----≥65
Residence Type
70% Urban
30% Rural
30% Rural
Contact information
Email: zhosseinkhani122@gmail.com
Email: cohort@qums.ac.ir