Epidemiology Review

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1. Relative Risk

Incidence rate in the exposed / Incidence rate in the unexposed

Where people are living in low prevalence conditions, a specific disease or outcome is the basis for selection of the... Where people are living in low prevalence conditions, a specific disease or outcome is the basis for selection of the cases.

The group is followed over a long period of time.

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2. Describe the disadvantages of the cohort study

Allowance of the direct observation of risk. The exposure factor is well defined and can study exposures that are uncommon... Allowance of the direct observation of risk. The exposure factor is well defined and can study exposures that are uncommon in the population. The temporal relationship between factor and outcome is known.

Very expensive and time consuming, complicated and difficult study. Subjects may be lost while trying to follow up during the... Very expensive and time consuming, complicated and difficult study. Subjects may be lost while trying to follow up during the course of the study. As well as the fact that exposures may be mis-classified.

Baby boom generation

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3. Prospective cohort study

Going forward in time and gathering up to date information about a person. Then watching watch what diseases develop in... Going forward in time and gathering up to date information about a person. Then watching watch what diseases develop in the future.

Combination of retrospective and the prospective cohort study. This will be looking forward and backward in time to see what... Combination of retrospective and the prospective cohort study. This will be looking forward and backward in time to see what outcomes of diseases developed.

A date is picked, such as at birth, exposures to disease are looked at all the way up to present... A date is picked, such as at birth, exposures to disease are looked at all the way up to present day. Diseases that have developed in relation to exposures are examined.

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4. Describe the advantages of the cohort study

Baby boom generation

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5. Explain attributable risk

Provides an indication of the benefit to the population derived by modifying a risk factor. This measurement is the difference... Provides an indication of the benefit to the population derived by modifying a risk factor. This measurement is the difference between the rate of disease in the non-exposed segment of the population and the overall rate in the population.

Refers to the difference between the incidence rate of a disease in the exposed group and the incidence rate in... Refers to the difference between the incidence rate of a disease in the exposed group and the incidence rate in the non-exposed group. Attributable risk is the difference between two incidence rates.

Form of intervention studies.

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6. Identify situation(s) where the application of a case control study is appropriate

The group is followed over a long period of time.

Incidence rate in the exposed / Incidence rate in the unexposed

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7. Retrospective cohort study

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8. Explain the cohort study

The group is followed over a long period of time.

The amount of people who are exposed to the disease and have the disease is divided by the number of... The amount of people who are exposed to the disease and have the disease is divided by the number of people who were not exposed to the disease but caught the disease Where people are living in low prevalence conditions, a specific disease or outcome is the basis for selection of the cases.

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