EPID 309 quiz week 11
The most important advantage of cohort studies is:
A. It allows one to take advantage of existing records and data
B. It is cheap and provides a quick answer
C. It is easy to build up a control group
D. It allows us to determine both the relative risk and the attributable risk - answerD. It
allows us to determine both the relative risk and the attributable risk
A study that examines the death rates from prostate cancer in each of the 50 US states
in relation to the average percentage of men in each state undergoing annual PSA
screening is called:
A. Case-control study
B. Cohort study
C. Experimental study
D. Ecological study - answerD. Ecological study
You would like to assess the effectiveness and efficiency in delivering health services
through your clinic. After selecting a 10% sample of all patient visits during the past six
months, you are able to characterize the patient population utilizing your clinic in terms
of age, sex, race, method of referral, diagnostic category, daily patient load, clinic staff
work schedules. This study is:
A. Case-control
B. Cross-sectional
C. Cohort
D. Randomized intervention study - answerB. Cross-sectional
A group of 728 women from the UA campus were recruited to participate in a research
study to determine the risk of developing depression. At the beginning of the study, 38
women were diagnosed as depressed. Over the course of a year, an additional 23
women were diagnosed with depression (3 in October, 15 in November and 5 in
December). Over the year, 3 deaths among these women were attributed to depression.
The likelihood that a UA woman will develop depression in a year is:
A. 31.6 per 1000
B. 83.8 per 1000
C. 33.3 per 1000
D. 5% - answerC. 33.3 per 1000
When calculating relative risk, you get a negative value. This means that:
The most important advantage of cohort studies is:
A. It allows one to take advantage of existing records and data
B. It is cheap and provides a quick answer
C. It is easy to build up a control group
D. It allows us to determine both the relative risk and the attributable risk - answerD. It
allows us to determine both the relative risk and the attributable risk
A study that examines the death rates from prostate cancer in each of the 50 US states
in relation to the average percentage of men in each state undergoing annual PSA
screening is called:
A. Case-control study
B. Cohort study
C. Experimental study
D. Ecological study - answerD. Ecological study
You would like to assess the effectiveness and efficiency in delivering health services
through your clinic. After selecting a 10% sample of all patient visits during the past six
months, you are able to characterize the patient population utilizing your clinic in terms
of age, sex, race, method of referral, diagnostic category, daily patient load, clinic staff
work schedules. This study is:
A. Case-control
B. Cross-sectional
C. Cohort
D. Randomized intervention study - answerB. Cross-sectional
A group of 728 women from the UA campus were recruited to participate in a research
study to determine the risk of developing depression. At the beginning of the study, 38
women were diagnosed as depressed. Over the course of a year, an additional 23
women were diagnosed with depression (3 in October, 15 in November and 5 in
December). Over the year, 3 deaths among these women were attributed to depression.
The likelihood that a UA woman will develop depression in a year is:
A. 31.6 per 1000
B. 83.8 per 1000
C. 33.3 per 1000
D. 5% - answerC. 33.3 per 1000
When calculating relative risk, you get a negative value. This means that:
