Cross Sectional Studies Examples

The outcome variable is the presence or absence of copd and the exposure is the smoking status.

Cross sectional studies examples. I wish to conduct a cross sectional study on awareness of hepatitis b among school children. This is different from analytical cross sectional studies. Linking the example with cross sectional study the above mentioned case is basically an example of cross sectional study where the document that was sent to the school was a basic questionnaire.

An example of this is surveying the epidemiology of a disease in a rural area. Men and cancer another example of a cross sectional study would be a medical study examining the prevalence of cancer amongst a defined population. A researcher might collect cross sectional data on past smoking habits and current diagnoses of lung cancer for example.

In a simple hypothetical example of a cross sectional study we record the prevalence of copd and investigate the association between copd and smoking status in adult patients. A literature search reveals that other investigators have reported knowledge to range from 5 to 20 among students of grades 6 through 8. You first conduct a cross sectional study with a sample of diabetes patients to see if there are differences in health outcomes like weight or blood sugar in those who follow a low carb diet.

Descriptive cross sectional studies the persistence and reach of a studied factor. This variation produces aanalytical reports that deal with the statistical relationship between two variables. Cross sectional vs longitudinal example.

You want to study the impact that a low carb diet has on diabetes. For example a study of the prevalence of diabetes among women aged 40 60 years in town a should comprise a random sample of all women aged 40 60 years in that town. Cross sectional research studies are based on observations that take place in different groups at one time.

The researcher can evaluate people of different ages ethnicities geographical locations and social backgrounds. Cross sectional study example 2. For example a cross sectional study might be used to determine if exposure to specific risk factors might correlate with particular outcomes.