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[[Category:Veterinary Epidemiology - Statistical Methods|D]]
[[Category:Veterinary Epidemiology - Statistical Methods|D]]
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==Calculating measures of effect and impact==
Measures of effect and impact can be calculated using the same contingency table used to calculated measures of strength of association: <br />
Measures of effect and impact can be calculated using the same contingency table used to calculated measures of strength of association: <br />
| Diseased || a<sub>1</sub> || a<sub>0</sub> || m<sub>1</sub>
| Diseased || a<sub>1</sub> || a<sub>0</sub> || m<sub>1</sub>
|-
|-
| Non-diseased || b<sub>1</sub> || b<sub>0</sub> || m<sub>0</sub>
| Non-diseased || b<sub
== Heading text ==
>1</sub> || b<sub>0</sub> || m<sub>0</sub>
|-
|-
| Total || n<sub>1</sub> || n<sub>0</sub> || n
| Total || n<sub>1</sub> || n<sub>0</sub> || n