Neyshabour Elderly Cohort Study

Cohort facts:

Location of cohort: Neyshabour – Razavi Khorasan Province

Main Ethnicities of participants: Fars

Conducted by: Neyshabour University of Medical Sciences


  • Majid Ghayour-Mobarhan PhD
  • Habibollah Esmaily PhD
  • Nayyereh Aminisani PhD
  • Seyed Morteza Shamshirgaran PhD
  • Seyed Reza Mirhafez PhD

Study Execution:

The PERSIAN Elderly Cohort Study started in Neyshabour in January 2018, and enrollment ended in December 2018.

Current Activity: Neyshabour Cohort Study is currently performing annual follow-ups for the entire cohort population.

Principal Investigator: Mohsen Azimi Nezhad 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