f6-ffq-calibration {ctfepi}sealed case file
FFQ Calibration
Case F6, What Meridian EatsNutritional Epidemiologyscene 2medium200 pts
Case
The diet survey behind the salt tax used food frequency questionnaires, and everyone underreports.
What this scene will ask
A validation substudy with repeated 24 hour recalls.
Planned flag: calibration factor lambda, 4 dp; observed log RR, 3 dp; deattenuated log RR*, 3 dp.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.