Epidemiology Question

FratBro23
Category:
Health & Medical
Price: $5 USD

Question description

Type of Study

Description of Study Type

Observational

Passively observe causes, preventions, and treatments for disease without interfering with its natural course.

Case Control

Involves the identification of cases- those with a disease- and controls – those selected with similar attributes (age, geography and engaging in similar activities) who do not have the disease. The characteristics of exposure for both groups are compared to determine the cause of disease. Finding controls to match the cases can be a difficult and time consuming.

Cohort

Prospective Cohort –a defined population which is observed over time for a specific exposure(s) to identify new cases of disease.
Retrospective – uses data collected from surveys, interviews and records to determine exposure levels to a contagion. This method can be used in outbreak investigations in lieu of case control studies.
Historical Prospective – uses historical information already collected on a defined population and is used to conduct the study.

Ecologic

The observed study subjects are units of populations such as geographic areas (counties, states, countries, …)

Intervention (Experimental)

Involves the deliberate change of the study subject’s status. The introduced change can be in the form of medication, interventions or preventions.

Randomized Control Trial

Study participants are randomly assigned to groups to receive or not receive medical or other intervention or prevention.

Quasi-experimental

A type of research in which the intervention is changed or introduced to a group that is not divided into exposure or non-exposure groups resulting in random exposure. This method of study is normally used in communities, schools and geographic areas.

Imagine you are an Epidemiologist at local department of public health. You received a call from Dr. Wilson, the Medical Director for a local nursing home facility, who reported 60 elderly residents exhibiting symptoms of vomiting and diarrhea. She was worried the residents were exposed to a stomach virus or have food poisoning.

Dr. Wilson provided you with the laboratory test results and asked you to perform an epidemiology investigation to determine the source of their illness.

  1. What type of study would you use and why?

This is only a one question assignment.

Tutor Answer

(Top Tutor) Daniel C.
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School: Duke University
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