Category: Uncategorized

A cohort study evaluating the association between fruit consumption and lung cancer incidence among adults in California finds a relative risk of 0.42 with a 95% confidence interval of (0.23, 1.05). Which of the following is true of this finding? 

Using the same 2 x 2 table as the previous question, what is the attributable risk difference among those who did not get the flu vaccine expressed per 100 people?

The graph shows polio incidence between 1985 and 2016. What type of time variable is this an example of?  

In order to study the characteristics of a rare tick-borne disease among Wisconsin residents, a research group at UW-Madison is collecting reports describing individual cases of the disease that have occurred from 1990 to 2019. This is an example of what type of descriptive study?  

Using the Kaplan Meier curve, what is the median survival time in the studied population?

True or False: The variable of race/ethnicity arbitrarily categorizes individuals within a population based on physical traits and lacks genetic basis.

True or False: A randomized clinical trial testing the effect of a new medical device in real world conditions is evaluating effectiveness.

Which of the following is an advantage of a cross-over design randomized controlled trial vs. a parallel arm design?

7. A nurse is contributing to the plan of care for a client who has cerebral palsy (CP). Which intervention should the nurse include to improve mobility and prevent contractures?

Based on all three tests, should the researcher conclude that the advertisement increases desire to eat at the restaurant?