Which scenario best illustrates prevalence?
Show answer and explanation
Correct answer: Students who currently have depression
Prevalence includes all existing cases at a specific time, reflecting the overall burden of disease.
Practice all 20 Epidemiology: Incidence and Prevalence questions
Keep practicing
More Epidemiology: Incidence and Prevalence questions
- If incidence remains the same but mortality increases, what happens to prevalence?
- A chronic condition has low incidence but high prevalence. What is the most likely reason?
- Which of the following combinations would result in a very low prevalence?
- A researcher wants to know how many people lived with influenza at any point during a 3-month season. What measure should be calculated?
- A study reports that 50 new cases of hepatitis A occurred in a population of 100,000 over one year. What does this measure represent?
- A cross-sectional survey finds that 5% of a community currently has asthma. What epidemiologic measure is being reported?