Epidemiological considerations important for causal inference
Lilienfeld (1959)6 | Sartwell (1960)7 | Hill (1965)8 | Surgeon General (1964)9 and Susser (1973)10 | MacMahon and Pugh (1970)11 | IARC (1995)12 |
---|---|---|---|---|---|
Adapted from Weed 1995.13 | |||||
Magnitude of effect | Strength of association | Strength of association | Strength/magnitude of association | Strength/magnitude of association | Strength of association |
Consistency | Replication | Consistency | Consistency | Consistency | Consistency |
Specificity | Specificity | Specificity | |||
Temporality | Temporality | Temporality | Temporality | Temporality | |
Dose response | Dose response | Biological gradient | Dose response | Dose response | Dose response |
Biological mechanism | Biological plausibility | Biological mechanisms | Mechanisms | ||
Biological reasonableness | Biological coherence | Biological coherence | Consonance with existing knowledge | ||
Experimentation evidence | Experimental (intervention) | Experimental (intervention) | Experimental | ||
Analogy | |||||
Exclusion of alternative explanations |