Quick Answer: What Is The Best Definition For Epidemiology?

What is the purpose of epidemiology?

Epidemiology identifies the distribution of diseases, factors underlying their source and cause, and methods for their control; this requires an understanding of how political, social and scientific factors intersect to exacerbate disease risk, which makes epidemiology a unique science..

What are the two types of epidemiology?

Epidemiologic studies fall into two categories: experimental and observational.

What are the 3 major types of epidemiologic studies?

Three major types of epidemiologic studies are cohort, case-control, and cross-sectional studies (study designs are discussed in more detail in IOM, 2000). A cohort, or longitudinal, study follows a defined group over time.

What are the key concepts of epidemiology?

Epidemiology is based on two fundamental assumptions. First, the occurrence of disease is not random (i.e., various factors influence the likelihood of developing disease). Second, the study of populations enables the identification of the causes and preventive factors associated with disease.

What are the four uses of epidemiology?

For community diagnosis of the presence, nature and distribution of health and disease among the population, and the dimensions of these in incidence, prevalence, and mortality; taking into account that society is changing and health problems are changing. To study the workings of health services.

What is epidemiology and examples?

Epidemiological studies measure the risk of illness or death in an exposed population compared to that risk in an identical, unexposed population (for example, a population the same age, sex, race and social status as the exposed population).

What are the 5 main objectives of epidemiology?

In the mid-1980s, five major tasks of epidemiology in public health practice were identified: public health surveillance, field investigation, analytic studies, evaluation, and linkages.

What are the basic principles of epidemiology?

Principles of EpidemiologyDistribution – Epidemiology is concerned with the frequency and pattern of health events in a population. … Determinants – Epidemiology is also used to search for causes and other factors that influence the occurrence of health-related events.More items…•Nov 3, 2006

How do you explain epidemiology?

By definition, epidemiology is the study (scientific, systematic, and data-driven) of the distribution (frequency, pattern) and determinants (causes, risk factors) of health-related states and events (not just diseases) in specified populations (neighborhood, school, city, state, country, global).

What can epidemiology tell us?

What does it tell us? Epidemiology tells us the basic health status of Australia in terms of quantifiable measures of ill health. … Epidemiology uses data on death rates, birth rates, illnesses, injuries, treatments provided, work days lost, Hospital usage, and money spent by both consumers and the government.

Why did you choose epidemiology?

Epidemiologists research why some groups of people are more likely than others to become sick, be injured, or die young. That requires thinking about how biological pathways, social processes, and behavioral patterns culminate to put people at risk of illness and injury.

What is epidemiology in simple words?

Epidemiology is the study of how often diseases occur in different groups of people and why. Epidemiological information is used to plan and evaluate strategies to prevent illness and as a guide to the management of patients in whom disease has already developed.

What is the meaning of epidemiologist?

Meaning of epidemiologist in English someone who studies diseases and how they are found, spread, and controlled in groups of people: Snowdon is an epidemiologist studying the causes of Alzheimer’s disease.

Is an epidemiologist a doctor?

Are epidemiologists considered medical doctors? No. While epidemiologists study and investigate the causes and sources of diseases in much the same way as medical doctors, they’re not considered actual physicians. Perhaps the biggest reason why is treatment.

What are 10 duties of an epidemiologist?

Responsibilities for EpidemiologistAnalyze data and find conclusions.Create a plan of action for potential health crises.Create reports detailing potential threats.Give presentations to policy makers.Communicate with policy makers on public health.Manage multiple projects at once.More items…

What are the 3 main elements of the definition of epidemiology?

Epidemiology includes assessment of the distribution (including describing demographic characteristics of an affected population), determinants (including a study of possible risk factors), and the application to control health problems (such as closing a restaurant).

What are the two main goals of epidemiology?

The objectives of epidemiology include the following: to identify the etiology or cause of disease. to determine the extent of disease. to study the progression of disease.