Quick Answer: What Is Epidemiologic Approach?

What are the 3 main 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 are the two types of epidemiology?

It has been said that epidemiology by itself can never prove that a particular exposure caused a particular outcome. Often, however, epidemiology provides sufficient evidence to take appropriate control and prevention measures. Epidemiologic studies fall into two categories: experimental and observational.

What is the strongest study design?

Randomised controlled trial (RCT) Randomised controlled trials produce the strongest evidence among clinical trials due to the fact that patients are allocated to treatments or interventions randomly (equal chance).

What is epidemiologic evidence?

The epidemiologic evidence included in the systematic review is then described in narrative and in tabular form, providing summaries of the type of study, characteristics of the population studied (e.g., age range, ethnicity, geographic location, social class), the way in which the exposure factor of interest was …

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 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 do epidemiologists do?

When disease outbreaks or other threats emerge, epidemiologists are on the scene to investigate. Often called “Disease Detectives”, epidemiologists search for the cause of disease, identify people who are at risk, determine how to control or stop the spread or prevent it from happening again.

What are the four methods of epidemiology?

Epidemiological studies generally fall into four broad categories:cross-sectional studies.case-control studies.cohort studies.intervention studies.

What are the principles of epidemiology?

Uses of EpidemiologyCount health-related events.Describe the distribution of health-related events in the population.Describe clinical patterns.Identify risk factors for developing diseases.Identify causes or determinants of disease.Identify control and/or preventive measures.More items…•

What are the epidemiologic measure of person?

Incidence, prevalence, and mortality rates are three frequency measures that are used to characterize the occurrence of health events in a population.

How do you break the epidemiologic triangle?

How to Break the Epidemiologic TriangleFollow proper hand hygiene at all times.Wear appropriate personal protective equipment (PPE) while treating patients.Kill germs by disinfecting high-touch areas regularly.Clean and disinfect lobbies, exam rooms, bathrooms and other common areas often.

What is the definition of epidemiological?

Epidemiology is the study (scientific, systematic, data-driven) of the distribution (frequency, pattern) and determinants (causes, risk factors) of health-related states and events (not just diseases) in specified populations (patient is community, individuals viewed collectively), and the application of (since …

Is Epidemiology a good job?

Epidemiologists rank #5 in Best Science Jobs. Jobs are ranked according to their ability to offer an elusive mix of factors.

Do epidemiologists see patients?

Work Environment Field work may require interaction with sick patients, yet safety precautions ensure that the likelihood of exposure to disease is minimal. Epidemiologists typically work in offices and laboratories at health departments for state and local governments, in hospitals, and at colleges and universities.

Which is the most powerful epidemiological study?

Randomized, controlled clinical trials are the most powerful designs possible in medical research, but they are often expensive and time-consuming.

Do epidemiologists go to medical school?

Epidemiologists need at least a master’s degree from an accredited college or university. Most epidemiologists have a master’s degree in public health (MPH) or a related field, and some have completed a doctoral degree in epidemiology or medicine.

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 an example of descriptive epidemiology?

The time variable is concerned with variation in the occurrence of disease in time and its seasonality or periodicity. A hypothetical example of a descriptive epidemiologic study is the investigation of a group of workers in a factory who have what is suspected of being environmentally acquired lupus.