EPID 410: Epidemiology Exam 1
2024/2025 Exam Questions and
Corresponding Answers with Surety of
100% Pass Mark
Case-fatality rate equation - 🧠ANSWER ✔✔# deaths from disease/ # people with
disease
Prevalence equation - 🧠ANSWER ✔✔# of existing cases/total population
Incidence rate equation - 🧠ANSWER ✔✔# new cases/ total person-time at risk
Cause-specific mortality rate equation - 🧠ANSWER ✔✔# deaths from disease/
total population
Proportionate mortality ratio (PMR) equation - 🧠ANSWER ✔✔# deaths from
disease/ # total deaths
Cumulative incidence equation - 🧠ANSWER ✔✔# new cases/ total population at
risk
All-cause mortality rate equation - 🧠ANSWER ✔✔# total deaths/ total
population
Page 1 of 11
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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Prevalence interpretation - 🧠ANSWER ✔✔X% of people had the condition at the
specified time point
Cumulative incidence interpretation - 🧠ANSWER ✔✔The y-year risk of
developing the condition was x% OR There were x new cases of the condition
per y people during the time period
Incidence rate interpretation - 🧠ANSWER ✔✔There were x new cases of the
condition per y people per year
All-cause mortality rate interpretation - 🧠ANSWER ✔✔There were x deaths per
y population during the time period
Cause-specific mortality rate interpretation - 🧠ANSWER ✔✔There were x deaths
from the specific cause per y population during the time period
Case-fatality rate interpretation - 🧠ANSWER ✔✔X% of people with the disease
died from the disease within a time period
Proportionate mortality ratio (PMR) interpretation - 🧠ANSWER ✔✔X% of the
deaths during a time period were due to the condition
Case-fatality rate example - 🧠ANSWER ✔✔On average, 50% of the people who
contract Ebola virus die from the disease soon after
Page 2 of 11
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
2024/2025 Exam Questions and
Corresponding Answers with Surety of
100% Pass Mark
Case-fatality rate equation - 🧠ANSWER ✔✔# deaths from disease/ # people with
disease
Prevalence equation - 🧠ANSWER ✔✔# of existing cases/total population
Incidence rate equation - 🧠ANSWER ✔✔# new cases/ total person-time at risk
Cause-specific mortality rate equation - 🧠ANSWER ✔✔# deaths from disease/
total population
Proportionate mortality ratio (PMR) equation - 🧠ANSWER ✔✔# deaths from
disease/ # total deaths
Cumulative incidence equation - 🧠ANSWER ✔✔# new cases/ total population at
risk
All-cause mortality rate equation - 🧠ANSWER ✔✔# total deaths/ total
population
Page 1 of 11
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Prevalence interpretation - 🧠ANSWER ✔✔X% of people had the condition at the
specified time point
Cumulative incidence interpretation - 🧠ANSWER ✔✔The y-year risk of
developing the condition was x% OR There were x new cases of the condition
per y people during the time period
Incidence rate interpretation - 🧠ANSWER ✔✔There were x new cases of the
condition per y people per year
All-cause mortality rate interpretation - 🧠ANSWER ✔✔There were x deaths per
y population during the time period
Cause-specific mortality rate interpretation - 🧠ANSWER ✔✔There were x deaths
from the specific cause per y population during the time period
Case-fatality rate interpretation - 🧠ANSWER ✔✔X% of people with the disease
died from the disease within a time period
Proportionate mortality ratio (PMR) interpretation - 🧠ANSWER ✔✔X% of the
deaths during a time period were due to the condition
Case-fatality rate example - 🧠ANSWER ✔✔On average, 50% of the people who
contract Ebola virus die from the disease soon after
Page 2 of 11
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
