The following table shows crude and stratum-specific odds ratios for six data analyses. Indicate whether there is evidence that effect modification or confounding is present and, under the circumstances, what is the appropriate measure of association to report (options are: unadjusted, stratum-specific, or adjusted). The first example is given for you.
ORcrude
|
ORmen
|
ORwomen
|
Effect
Modification? (Yes/No)
|
Confounding?
(Yes/No/Maybe)
|
Measure
Reported (unadjusted, adjusted, or stratum specific OR)
|
3.0
|
3.0
|
3.0
|
N
|
N
|
Unadjusted
OR
|
3.4
|
2.0
|
2.0
|
|||
1.0
|
4.0
|
1.75
|
|||
0.7
|
1.2
|
1.1
|
|||
4.3
|
5.4
|
3.5
|
Source: PH W250 2016 Problem Set 5
