1-1 matched case-control studies
| Cases | Controls | |
| Exposed | Not Exposed | |
| Exposed | ||
| Not Exposed | ||
OR (95% Confidence Interval)= ...
McNemar's test for no association: ...
| p > 0.1 | little evidence of an association |
| 0.1 > p > 0.05 | weak evidence of an association |
| 0.05 > p > 0.01 | moderate evidence of an association |
| p < 0.01 | strong evidence of an association |