You are currently browsing the Environmental Toxicology Diary weblog archives for June, 2007.

Understanding risk: relative and attributable risk

Prevalence and incidence rates as already discussed in previous post measure the frequency of occurence of observable effect due to exposure of suspected causative agent (etiological factor). However, as these rates are only used to provide information regarding the chance, possibility of occurence of a response, effect because of an etiological factor. But this risk, […]

Prevalence and Incidence Rate

There is a means to find out the association between a specific causative agent or suspected toxic chemicals with the observable effect by calculating the prevalence and incidence rate. Prevalence rate is a measure of the number of individuals who have particular attribute relative to the total number of individuals being observed. On the other […]

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