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Measures of Disease Frequency and Association

Description: This quiz is designed to assess your understanding of the concepts related to measures of disease frequency and association. It covers topics such as incidence, prevalence, mortality, and measures of association like risk ratio, odds ratio, and relative risk.
Number of Questions: 14
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Tags: epidemiology public health disease frequency association
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Which measure represents the number of new cases of a disease occurring in a population over a specified period?

  1. Incidence

  2. Prevalence

  3. Mortality

  4. Morbidity

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Correct Option: A
Explanation:

Incidence is the rate at which new cases of a disease occur in a population over a specific time interval.

What is the measure that describes the proportion of individuals in a population who have a disease at a specific point in time?

  1. Incidence

  2. Prevalence

  3. Mortality

  4. Morbidity

Show answer
Correct Option: B
Explanation:

Prevalence is the proportion of individuals in a population who have a disease at a specific point in time.

Which measure represents the number of deaths due to a specific cause in a population over a specified period?

  1. Incidence

  2. Prevalence

  3. Mortality

  4. Morbidity

Show answer
Correct Option: C
Explanation:

Mortality is the rate at which deaths occur in a population due to a specific cause over a specific time interval.

What is the measure that describes the risk of developing a disease in exposed individuals compared to unexposed individuals?

  1. Risk Ratio

  2. Odds Ratio

  3. Relative Risk

  4. Attributable Risk

Show answer
Correct Option: A
Explanation:

Risk Ratio is the ratio of the incidence of disease in exposed individuals to the incidence of disease in unexposed individuals.

Which measure represents the odds of developing a disease in exposed individuals compared to unexposed individuals?

  1. Risk Ratio

  2. Odds Ratio

  3. Relative Risk

  4. Attributable Risk

Show answer
Correct Option: B
Explanation:

Odds Ratio is the ratio of the odds of developing a disease in exposed individuals to the odds of developing a disease in unexposed individuals.

What is the measure that describes the risk of developing a disease in exposed individuals relative to the risk in unexposed individuals?

  1. Risk Ratio

  2. Odds Ratio

  3. Relative Risk

  4. Attributable Risk

Show answer
Correct Option: C
Explanation:

Relative Risk is the ratio of the incidence of disease in exposed individuals to the incidence of disease in unexposed individuals.

Which measure represents the proportion of disease cases in a population that can be attributed to a specific exposure?

  1. Risk Ratio

  2. Odds Ratio

  3. Relative Risk

  4. Attributable Risk

Show answer
Correct Option: D
Explanation:

Attributable Risk is the proportion of disease cases in a population that can be attributed to a specific exposure.

What is the formula for calculating the incidence rate?

  1. Incidence rate = (Number of new cases / Population size) x Time period

  2. Incidence rate = (Number of existing cases / Population size) x Time period

  3. Incidence rate = (Number of deaths / Population size) x Time period

  4. Incidence rate = (Number of cases / Population size) x Time period

Show answer
Correct Option: A
Explanation:

Incidence rate is calculated by dividing the number of new cases of a disease by the population size and multiplying it by the time period.

Which formula is used to calculate the prevalence?

  1. Prevalence = (Number of existing cases / Population size) x Time period

  2. Prevalence = (Number of new cases / Population size) x Time period

  3. Prevalence = (Number of deaths / Population size) x Time period

  4. Prevalence = (Number of cases / Population size) x Time period

Show answer
Correct Option: A
Explanation:

Prevalence is calculated by dividing the number of existing cases of a disease by the population size and multiplying it by the time period.

What is the formula for calculating the mortality rate?

  1. Mortality rate = (Number of deaths / Population size) x Time period

  2. Mortality rate = (Number of new cases / Population size) x Time period

  3. Mortality rate = (Number of existing cases / Population size) x Time period

  4. Mortality rate = (Number of cases / Population size) x Time period

Show answer
Correct Option: A
Explanation:

Mortality rate is calculated by dividing the number of deaths due to a specific cause by the population size and multiplying it by the time period.

Which formula is used to calculate the risk ratio?

  1. Risk Ratio = (Incidence of disease in exposed / Incidence of disease in unexposed)

  2. Risk Ratio = (Prevalence of disease in exposed / Prevalence of disease in unexposed)

  3. Risk Ratio = (Mortality rate in exposed / Mortality rate in unexposed)

  4. Risk Ratio = (Odds of disease in exposed / Odds of disease in unexposed)

Show answer
Correct Option: A
Explanation:

Risk Ratio is calculated by dividing the incidence of disease in exposed individuals by the incidence of disease in unexposed individuals.

What is the formula for calculating the odds ratio?

  1. Odds Ratio = (Odds of disease in exposed / Odds of disease in unexposed)

  2. Odds Ratio = (Risk Ratio - 1) / Risk Ratio

  3. Odds Ratio = (Relative Risk - 1) / Relative Risk

  4. Odds Ratio = (Attributable Risk / (1 - Attributable Risk))

Show answer
Correct Option: A
Explanation:

Odds Ratio is calculated by dividing the odds of disease in exposed individuals by the odds of disease in unexposed individuals.

Which formula is used to calculate the relative risk?

  1. Relative Risk = (Incidence of disease in exposed / Incidence of disease in unexposed)

  2. Relative Risk = (Prevalence of disease in exposed / Prevalence of disease in unexposed)

  3. Relative Risk = (Mortality rate in exposed / Mortality rate in unexposed)

  4. Relative Risk = (Odds of disease in exposed / Odds of disease in unexposed)

Show answer
Correct Option: A
Explanation:

Relative Risk is calculated by dividing the incidence of disease in exposed individuals by the incidence of disease in unexposed individuals.

What is the formula for calculating the attributable risk?

  1. Attributable Risk = (Incidence of disease in exposed - Incidence of disease in unexposed) / Incidence of disease in exposed

  2. Attributable Risk = (Prevalence of disease in exposed - Prevalence of disease in unexposed) / Prevalence of disease in exposed

  3. Attributable Risk = (Mortality rate in exposed - Mortality rate in unexposed) / Mortality rate in exposed

  4. Attributable Risk = (Odds of disease in exposed - Odds of disease in unexposed) / Odds of disease in exposed

Show answer
Correct Option: A
Explanation:

Attributable Risk is calculated by dividing the difference between the incidence of disease in exposed individuals and the incidence of disease in unexposed individuals by the incidence of disease in exposed individuals.

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