Caffeine History

Caffeine History - Variable Definition Table:

Field Name

Description

Field Values

Variable Summary

caff_drinks_ever_used_regularly Caffeine Exposure No
Unknown
Yes
Indicator of whether subject has evere used caffeinated drinks
caff_drinks_current_use Caffeine Exposure No
Unknown
Yes
Current regular caffeinated drinks use indicator


Tables that Reference this Variable:

  • Caffeine_history
     

Data Type Information:
 

Field Name

Type

Mode

caff_drinks_ever_used_regularly ENUMERATION NULLABLE
caff_drinks_current_use ENUMERATION NULLABLE


Curation Notations: