Answered: ta from a hypothetical cohort study… | bartleby

Case Studies In Health Information Management

Case Studies In Health Information Management

3rd Edition

ISBN:9781337676908

Author:SCHNERING

Publisher:SCHNERING

Chapter6: Leadership

Section: Chapter Questions

Problem 6.20.2C

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QUESTION 18
Consider the following scenario to answer the next two questions.
Data from a hypothetical cohort study examining the association between lack of seat belt use and fatal vehicle crashes is presented in the following 2x2 table.
Seat Belt Use
Fatal Crash
60
30
90
No
Yes
Total
No Fatal Crash
175
450
625
Total
235
480
715
Using this information, calculate the attributable risk. Express your answer as a decimal, and round to the nearest hundredth.

QUESTION 19
From the question above, which is the correct interpretation of the attributable risk you calculated expressed per 100 population. (Please consider your calculated number in place
of "X" in the answers.)
Among those who didn't use seatbelts, X crash fatalities per 100 population could have been prevented if they had worn seatbelts.
Among those who didn't use seatbelts, X% died in a vehicle crash.
Among those who didn't use seatbelts, 100-X crash fatalities can be attributed to their lack of seatbelt use.
The risk of crash fatalities among those who don't wear seatbelts is X times the risk of crash fatalities among those who do wear seatbelts.

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