f5-time-stratified {ctfepi}sealed case file
Time-Stratified
Case F5, The Refinery FlatsEnvironmental and Occupational Epidemiologyscene 3hard400 pts
Case
Residents near the refinery report more asthma; air monitors and worker records hold the answer.
What this scene will ask
A time-stratified case-crossover design for air pollution (year, month, and weekday strata).
Planned flag: OR per 10 µg/m³, 4 dp; number of strata used; total number of control days.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.