There are two groups of aims: first, to describe the distribution, the pattern, and the natural history of disease in the general population , and second, to identify factors that may be causal in a disease process, and to evaluate strategies for the control, management, and prevention of a disease.
What are the 2 major categories for epidemiological studies?
Often, however, epidemiology provides sufficient evidence to take appropriate control and prevention measures. Epidemiologic studies fall into two categories: experimental and observational .
What are the two 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.
What are the two basic epidemiological concepts?
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 three major goals in the practice of epidemiology?
Epidemiological studies are used to determine the frequency of specific health problems , identify patterns in occurrences of the problem, identify any potential causes and risk factors, evaluate the efficacy of preventative measures and treatments.
What is the main goal of epidemiology?
Epidemiology is defined as “the study of the distribution and determinants of health-related states or events (including disease),” and the goal of epidemiologists is to apply findings to control diseases or health issues .
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 three components of epidemiology?
Among the simplest of these is the epidemiologic triad or triangle, the traditional model for infectious disease. The triad consists of an external agent, a susceptible host, and an environment that brings the host and agent together .
What is an example of epidemiology?
The term epidemiology is now widely applied to cover the description and causation of not only epidemic, infectious disease, but of disease in general, including related conditions. Some examples of topics examined through epidemiology include as high blood pressure, mental illness and obesity .
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 the basic concept of epidemiology?
Section 1: Definition of Epidemiology. ... Epidemiology is the study of the distribution and determinants of health-related states or events in specified populations , and the application of this study to the control of health problems (1).
What are the main measures of epidemiology?
Incidence, prevalence, and mortality rates are three frequency measures that are used to characterize the occurrence of health events in a population.
What is epidemiological concept?
(1) It is a quantitative science concerned in infectious diseases with the circumstances under which disease processes occur , the factors that affect their incidence and the host response to the infectious agent, and the use of this knowledge for control and prevention.
What is the best definition for 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 are the aims and objectives 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 .
What are the applications of epidemiology?
To diagnose the health of the community and the condition of the people , to measure the true dimensions and distribution of ill- health in terms of incidence, prevalence, disability, and mortal- ity; to set health problems in perspective and define their relative importance; to identify groups needing special attention ...
