Table of Contents
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.
How is epidemiology important to public health?
Veterinarians and others involved in the preventive medicine and public health professions use epidemiological methods for disease surveillance, outbreak investigation, and observational studies to identify risk factors of zoonotic disease in both human and animal populations.
Why is epidemiology important to health education?
Epidemiology is a discipline that has a crucial role in describing health status, identifying risk factors, and analyzing relationships between health and different hazardous agents. The classical epidemiological triangle of host-agent-environment describes how individuals become ill.
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 are the main objectives of epidemiology?
The principal aim of epidemiology is to identify factors related to the occurrence of disease. Identification of these factors both causal ( causation) and risk factors, enable developing a rational basis for prevention ( epidemiology, prevention).
What is the best definition of 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 is the concept of epidemiology?
Abstract. Epidemiology is a population science that underpins health improvement and health care, and is concerned with the pattern, frequency, trends, and causes of disease. This book teaches its applications to population health research, policy-making, health service planning, health promotion, and clinical care.
What are the three components of epidemiology?
The epidemiologic triangle is made up of three parts: agent, host and environment.
What are the principles of epidemiology?
Principles of Epidemiology
- Distribution – 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.
What is an example of epidemiology?
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 is a cause in epidemiology?
In epidemiology, the “cause” is an agent (microbial germs, polluted water, smoking, etc.) that modifies health, and the “effect” describes the the way that the health is changed by the agent. The agent is often potentially pathogenic (in which case it is known as a “risk factor”).
What is the epidemiology of a disease?
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 are the three most essential elements of descriptive epidemiology?
In descriptive epidemiology, we organize and summarize data according to time, place, and person. These three characteristics are sometimes called the epidemiologic variables.
What is the purpose of descriptive epidemiology?
Descriptive epidemiology provides a way of organizing and analyzing data on health and disease in order to understand variations in disease frequency geographically and over time and how disease varies among people based on a host of personal characteristics (person, place, and time).
What are the key 6 characteristics of epidemiology?
It extracts six types of epidemiological characteristic: design of the study, population that has been studied, exposure, outcome, covariates and effect size.
What are the two types of epidemiology?
Epidemiologic studies fall into two categories: experimental and observational.
Who uses epidemiology?
Who uses it? Researchers, health department officials, the government, and health or medical practitioners use epidemiology. This data is used to help identify priority health issues and possible causes of disease or illness.
What are the branches of epidemiology?
- Cancer Epidemiology.
- Cardiovascular Epidemiology.
- Clinical Epidemiology.
- Environmental and Occupational Epidemiology.
- Epidemiologic Methods.
- Epidemiology of Aging.
- Genetic Epidemiology and Statistical Genetics.
- Infectious Disease Epidemiology.
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.
What is the ultimate goal of epidemiology?
The goal of epidemiology is to establish causal factors for health issues in order to improve the health and safety of entire populations.
What is epidemiology and public health?
Epidemiology is an integral component of public health practice. The discipline aims to provide the basis to prevent disease and to promote the health of populations through the study of the occurrence and distribution of health-related states or events, including the study of determinants influencing such states.
What does quantification mean in epidemiology?
Epidemiology is a descriptive science and includes the determination of rates, that is, the quantification of disease occurrence within a specific population. The most commonly studied rate is the attack rate: the number of cases of the disease divided by the population among whom the cases have occurred.
How accurate is epidemiology?
Epidemiology studies tend to produce less reliable data that can be more difficult to interpret. For instance, it is extremely rare that an epidemiology study alone can confirm that a particular chemical exposure caused a health effect. Moreover, as noted by Stanford University professor Dr.
Does epidemiology measure everything about health status?
This data is used to help identify priority health issues and possible causes of disease or illness. Do they measure everything about health status? No. Epidemiology provides little if any data on the impact of disease and illness.
How does an epidemiologist describe the burden of disease?
Disease burden is the impact of a health problem as measured by financial cost, mortality, morbidity, or other indicators. It is often quantified in terms of quality-adjusted life years (QALYs) or disability-adjusted life years (DALYs).