|
|
Representative of the exposed cohort
|
Selection of the nonexposed cohort
|
Ascertainment of exposure
|
Demonstration that outcome of interest was not present at start of
study
|
Comparability of cohorts on the basis
of the design or analysis
|
Assessment of outcome
|
Was follow-up long enough for outcomes to occur
|
Adequacy of follow-up of cohorts
|
|