What are the factors of epidemiology?
Environmental factors include physical factors such as geology and climate, biologic factors such as insects that transmit the agent, and socioeconomic factors such as crowding, sanitation, and the availability of health services..
What are epidemiological risk factors?
In epidemiology, a risk factor or determinant is a variable associated with an increased risk of disease or infection. Determinant is often used as a synonym, due to a lack of harmonization across disciplines, in its more widely accepted scientific meaning.
What are epidemiological determinants?
In the definition of epidemiology, “determinants” generally includes the causes (including agents), risk factors (including exposure to sources), and modes of transmission, but does not include the resulting public health action.
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 types of risk factors?
The three categories of risk factors are detailed here:Increasing Age. The majority of people who die of coronary heart disease are 65 or older. … Male gender. … Heredity (including race) … Tobacco smoke. … High blood cholesterol. … High blood pressure. … Physical inactivity. … Obesity and being overweight.More items…
What are the three major types of epidemiological studies?
IntroductionObservational Studies. Case-Control Studies. … Cohort Studies. Cohort studies initially classify patients into two groups based on their exposure status. … Experimental Studies. Randomized Clinical Trials.