b2-density-sampling {ctfepi}sealed case file
Density Sampling
Case B2, The Night ShiftCase-Control Studiesscene 3hard400 pts
Case
Ferreira suspects night shift work. A case-control study inside the cohort is faster than waiting for more deaths.
What this scene will ask
A nested case-control study with risk set sampling from a supplied full cohort.
Planned flag: conditional logistic OR, 3 dp; full cohort Cox HR, 3 dp; number of sampled controls who later became cases.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.