NIH Common Data Elements (CDE) Repository

Permissible Values:

Value	Code Name	Code Description
None/basic primary = 0 - 4 years	None/basic primary = 0 - 4 years	None/basic primary = 0 - 4 years
Primary/Intermediate Primary = 5 - 8 years	Primary/Intermediate Primary = 5 - 8 years	Primary/Intermediate Primary = 5 - 8 years
Secondary = 12 years	Secondary = 12 years	Secondary = 12 years
Tertiary = 13 - 15 years (e.g., Teachers, Technicians)	Tertiary = 13 - 15 years (e.g., Teachers, Technicians)	Tertiary = 13 - 15 years (e.g., Teachers, Technicians)
University = 16 - 17 years	University = 16 - 17 years	University = 16 - 17 years
Post Graduate = 18-19 years (e.g., Masters, Doctoral)	Post Graduate = 18-19 years (e.g., Masters, Doctoral)	Post Graduate = 18-19 years (e.g., Masters, Doctoral)
Unknown	Unknown	Unknown