SOURCES OF CASES AND CONTROL IN AN EPIDEMIOLOGICAL STUDY

Spread the love

SOURCES OF CASES IN AN EPIDEMIOLOGICAL STUDY

Cases in an epidemiological study can be sourced in any of the following ways:

  1. Data from hospital registries, clinics and disease screening records.
  2. All cases diagnosed in a particular hospital department at a given time.
  3. All cases diagnosed in the community/population.
  4. All cases diagnosed in all hospitals (public or private).
  5. All cases diagnosed in a sample or fraction of the population/community.

SOURCES OF CONTROLS IN AN EPIDEMIOLOGICAL STUDY

Controls in an epidemiological study can be sourced in any of the following ways:

  1. Samples of patients who do not have the disease under study in all hospitals.
  2. Samples from members of the general community/population who are at risk for the disease as the cases.
  3. Relations, spouses, children or companions of the cases.
  4. Samples of patients in the same hospital where cases were obtained from and, who do not have the disease.
  5. Non-cases in a sample of the community/population. 

FURTHER READING

Aschengrau A and Seage G.R (2013). Essentials of Epidemiology in Public Health. Third edition. Jones and Bartleh Learning,

Gordis L (2013). Epidemiology. Fifth edition. Saunders Publishers, USA.

Nelson K.E and Williams C (2013). Infectious Disease Epidemiology: Theory and Practice. Third edition. Jones and Bartleh Learning. 

Riedel S (2004). Biological warfare and bioterrorism: a historical overview. BUMC Proceedings, 17:400-406. 

Rothman K.J, Greenland S and Lash T.L (2011). Modern Epidemiology. Third edition. Lippincott Williams and Wilkins, Philadelphia, PA, USA.

Schneider M.J (2011). Introduction to Public Health. Third edition. Jones and Bartlett Publishers, Sudbury, Massachusetts, USA.

Be the first to comment

Leave a Reply

Your email address will not be published.


*