Q1:

Case 1:

In a survey of 2000 men who had heart attack in Dammam in 2015, a total of 300 reported

taking an aspirin at least 4 times a week during the month before having a heart attack.

Calculate the prevalence of heart attack in Dammam:

Q2:

For each of the following conditions, identify whether it reflects:

A) Endemic disease

B) Pandemic disease

C) Epidemic disease

D) Mortality rate

( )26 cases of food poisoning occurred within 6 weeks among residents of Jeddah

neighborhood (usually 0 or 13 cases are reported per year).

( )Over 19 million people worldwide died from Spanish in 1918-1919

( ) The rate of death due to SARS in Mexico in 2002 was 2%.

( ) About 70 cases of pink eye are usually reported in this province per week, somewhat less

than the country average.

Q3:

Case2:

In the study of diabetics, 200 of the 289 diabetic men died during the 18-year follow-up period.

Calculate the incidence proportion of death for these men.

Q4:

For each of the following shown below, indicate whether it is an incidence proportion,

incidence rate, prevalence, or none of the three.

A) Incidence proportion

B) Incidence rate

C) Prevalence

D) None of the above

( ) 1.

number of men in a study

who have died through last year from heart disease / number of men initially enrolled in the

study

( )2.

number of men in who have died through last year from heart disease / number of person-

years contributed through last year by

men initially

( )3.

number of women in Dammam who reported having heart disease in recent health survey /

number of women residents of Dammam during same period

( )4.

number of women in a study newly diagnosed with heart disease last / number of women in

the study without heart disease at beginning of same year.

( )5.

number of women in city A newly diagnosed with diabetes in 2003 / number of women living in

city A on oct 1, 2003