Mortality Rates and Indices
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Mortality Rates and Indices

Test your understanding of mortality rates, including crude death rate, age-specific death rates, and cause-specific mortality rate. Learn how these rates are influenced by various factors and how they are calculated.

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Questions and Answers

What is the formula to calculate the Crude Death Rate?

No of total deaths in a certain year and locality ÷ 1000 midyear population in the same year and locality

What is the age group considered for calculating the Neonatal Mortality Rate?

First 4 weeks of life

What is the unit used to express the Crude Death Rate?

per 1000 population

Which of the following is NOT a factor influencing the Crude Death Rate?

<p>Air pollution levels</p> Signup and view all the answers

What is the calculation for the Infant Mortality Rate?

<p>No of deaths in the first year of life × 1000 No. of live births</p> Signup and view all the answers

What is the impact of an aging population on the Crude Death Rate?

<p>It increases the Crude Death Rate</p> Signup and view all the answers

What does incidence measure in a population?

<p>The frequency by which unaffected persons develop a particular disease</p> Signup and view all the answers

What is incidence usually used to measure?

<p>The frequency of chronic diseases</p> Signup and view all the answers

How is the incidence of chronic diseases measured?

<p>Through a follow-up survey study</p> Signup and view all the answers

What does prevalence measure in a population?

<p>The amount of disease already present in a population</p> Signup and view all the answers

Why is incidence a good measure for chronic diseases?

<p>Because it measures the accumulated cases by time for both new and old cases</p> Signup and view all the answers

What is the difference between incidence and prevalence?

<p>Incidence measures the frequency of new cases, while prevalence measures the total cases</p> Signup and view all the answers

What is the formula to calculate the Under-5 Mortality Ratio (U5MR)?

<p>Number of deaths of children in the first 5 years of life ×1000 / Number of live births</p> Signup and view all the answers

What does the Cause Specific Mortality Rate measure?

<p>The number of deaths from a specific disease in a certain year and locality</p> Signup and view all the answers

What is the formula to calculate the Cause Specific Mortality Rate from a specific disease?

<p>Number of deaths from a specific disease ×100,000 / Mid-year population</p> Signup and view all the answers

What does the Proportionate Death Rate measure?

<p>The proportion of deaths from a specific disease in a certain year and locality</p> Signup and view all the answers

What is the formula to calculate the Case Fatality Rate?

<p>Number of deaths from a specific disease ×100 / Number of cases of this disease</p> Signup and view all the answers

What is the formula to calculate the Maternal Mortality Ratio (MM Ratio)?

<p>Number of deaths of mothers due to causes related to pregnancy, labor or puerperium / Total number of live births ×100,000</p> Signup and view all the answers

What does incidence measure in a population?

<p>The frequency by which unaffected persons develop a particular disease</p> Signup and view all the answers

What is prevalence used to measure?

<p>The amount of disease already present in a population</p> Signup and view all the answers

Which of the following is a characteristic of incidence?

<p>It measures the frequency of new cases of a disease</p> Signup and view all the answers

What is a survey study used for in measuring incidence?

<p>To conduct clinical examinations and investigations</p> Signup and view all the answers

Which of the following diseases is incidence usually used to measure?

<p>Chronic diseases, whether communicable or non-communicable</p> Signup and view all the answers

What is the key difference between incidence and prevalence?

<p>Incidence measures the frequency of new cases, while prevalence measures the accumulated cases</p> Signup and view all the answers

What is the incidence rate used to measure?

<p>The frequency of chronic diseases per time</p> Signup and view all the answers

What is the main difference between incidence and prevalence?

<p>Incidence measures new cases, while prevalence measures existing cases</p> Signup and view all the answers

What is a possible reason for a decrease in the incidence rate of a disease?

<p>Change in the disease etiology</p> Signup and view all the answers

Which of the following is a characteristic of prevalence?

<p>It measures the total amount of disease in a population</p> Signup and view all the answers

What is the relationship between incidence rate and prevalence?

<p>Prevalence depends on the incidence rate and the duration of illness</p> Signup and view all the answers

Why is incidence rate a good measure for chronic diseases?

<p>It measures the accumulated cases over time</p> Signup and view all the answers

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