Before you begin this assignment, review the following course materials:
McHugh & Welk readings
Practice Quiz 12.1: Determining Risk
Determining Risk Calculations (PDF)
Determining Risk PowerPoint presentation (found in the Instructional Materials section)
A cohort study following a group of 200 randomly selected adolescent females over 4 years finds the results shown in the table below.
Drops Out of High School Finishes High School Totals
Pregnancy 36 24 60
No Pregnancy 56 84 140
Totals 92 108 200
Review the results provided in the table and answer the following questions:
Calculate the incidence rate (IR) for dropping out of high school. How do you interpret this result (in your own words)?
What is the attributable risk (AR) of dropping out of high school for adolescent females who become pregnant? How do you interpret this result (in your own words)?
Calculate the relative risk (RR) of dropping out of high school for adolescent females who become pregnant. Assuming your RR is significant, how do you interpret this result (in your own words)?
Format for assignment: Title page; Double-spaced, 12-point Times New Roman font, and 1-inch margins; please use full sentences.
Note: Each question will be worth five (5) points: 2.5 points for the correct calculation and 2.5 points for the explanation.

