Types of Epidemiological Studies

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The study The spread of a disease in a population and the points that influence this spread is called epidemiology. It’s simple. the study How often a disease affects different groups of people and why they prevent it. Epidemiology was necessary enough to identify and measure the threat to tobacco health through the effects of smoking or these materials such as asbestos. In this post you will ask the types of epidemiological studies also get information on the tasks essential to examine the results of different types of epidemiological studies. study designs.

Types of Epidemiological Studies

There are two main types of epidemiological studies : experimental studies and observational studies Both are subdivided into many subtypes

1. observational studies

Observational studies One of the most common. types of epidemiological studies They include routine questioning, physical examination, routine laboratory tests or X-rays. These are 4 study methods:

Cross-sectional comparisons studies Focuses on collecting data from small groups of any kind, rather than large groups. This studies can be completed with fairly small amounts and usually not much. But then studies sample data is one time off and there is not every opportunity to show a sequence of activities that has space in the direction of a longer time period. Examples of cross-sectional comparisons studies Compare percentages a type of cancer from one room to the other.

Ecological studies Try to find a correlation between food and cancer at the population level. Thus the size of the collection of this types of studies is quite large. But yes. studies Try to find a relationship between the number of cancer cases at the population level and the cause of risk. This is a shift by analysis. studies It cannot be considered analytical because it does not isolate results.

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One of the most important advantages of ecology studies is that they have the potential to give strong direction in a particular direction. On the other hand types of studies they cannot demonstrate cause and effect, and they cannot strongly call upon evidence from other sources to studies justify their own conclusions.

Cohort studies are analytical studies Similar to each other, they relate to populations that bring about different effects of certain things, such as cigarette smoke, asbestos, the sun, movement, diet, etc. This studies Try to determine if the exposure composition has any impact on the likelihood of having the disease. Cohort. studies Equipped with a forward-looking (over time) or retrospective (historical) layout. This studies gives the researcher the opportunity to follow people over time, which can provide a lot of data.

Case control studies are analytical studies These can give researchers a large amount of data, giving them the opportunity to follow people over a long period of time. Affected people are popular as cases, while healthy people are popular as checks. This studies uses a series of data sources, such as clinics and medical records, and personal interviews of both cases and checks. This data is then compared to the effects they have had in the past to qualify characteristic points between the two groups. The biggest drawback. studies is that they lean heavily on unreliable recollections about people.

2. experimental studies

Experimental studies are also main types of epidemiological studies The researcher will conduct an experiment in which he/she replaces the baggage with a specific set and relates the results.

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Under in Vitro studies In the experiment, usually human or animal cells are removed from the body. This … types experiment is conducted from a test tube. The researcher attempts to follow the chain reaction that occurs between the somatic cells and the use of the caloric drug. These experiments studies help determine which caloric drugs have the opportunity to assist in the defense of cancer and which this is happening In vitro. studies Very structured, scientists have complete control over all variables. Drawbacks. studies is that their findings apply only to the cellular level.

Clinical studies are experimental. studies when groups of patients are selected as subjects. The task of a clinical study is to evaluate the cure or drug therapy of a new form of a disease or to identify preventive measures for these diseases such as disability or death. The clinical examination is performed by selecting a set of patients with the same degree of initial data. Half of the subjects receive the new treatment and the other half receive a placebo or one of the most accepted treatments for their particular condition. It is important to apply blinding at the time of treatment assignment to prevent any kind of distortion.

Practical testing is experimental. studies This differs somewhat from clinical research. The difference is that it does not have patients as subjects and is performed in the background, not in a medical setting. Field tests are performed by visiting subjects in person while they are at home, school, or work. Because field tests are performed in the field, they are more expensive than clinical tests and require more subjects. Because of the high cost, field tests are performed only to evaluate very unsafe or common disease-preventive substances.

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Alex Koliada, PhD

Alex Koliada, PhD

Alex Koliada, PhD, is a well-known doctor. He is famous for his studies of ageing, genetics and other medical conditions. He works at the Institute of Food Biotechnology and Genomics NAS of Ukraine. His scientific researches are printed by the most reputable international magazines. Some of his works are: Differences in the gut Firmicutes to Bacteroidetes ratio across age groups in healthy Ukrainian population [BiomedCentral.com]; Mating status affects Drosophila lifespan, metabolism and antioxidant system [Science Direct]; Anise Hyssop Agastache foeniculum Increases Lifespan, Stress Resistance, and Metabolism by Affecting Free Radical Processes in Drosophila [Frontiersin].
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