Biology Module 8: Non-infectious Disease and Disorders

Epidemiology

The study of the distribution and determinants of health-related states or events and the application of this study to the control of disease and other health problems

Non-infectious disease

Diseases not caused by pathogens

Correlation

The extent to which the change in two variables is related

Descriptive studies

Describes disease patterns in a population

Analytical studies

Statistical analysis of data collected in descriptive studies and additional data collected to test hypotheses regarding the likely causes of the disease

Case control studies

A type of analytical study; ompare diseased people with healthy people to see if a factor is more common in the group with the disease than those without

Cohort study

To compare similar groups of healthy people with only one group exposed to a risk factor and the others not exposed to see if the exposed group has a higher incidence and/or mortality from the disease

Invention studies

Help to evaluate the effectiveness of a treatment or a campaign

Cross-sectional

Viewing or analyzing something at a single, specific point in time rather than over a period