Description
see
Course name:
Introduction to Epidemiology
Course code:
PHC131
CRN:
11213
A study was conducted to estimate the association between exposure to lead
paint in childhood and attention-deficit hyperactivity disorder (ADHD). Data on
N=1000 children are collected, and data on exposure and ADHD diagnosis are
shown in the Table
Expose to
attention-deficit hyperactivity disorder ADHD
lead paint
Yes
No
Yes
58
237
No
76
629
Use the data to calculate:
Assignment title or task:
1. The incidence of ADHD in the exposed group? (1 points)
2. The incidence of ADHD in the unexposed group? (1 points)
3. Estimate the relative risks (RR) for a child’s diagnosis of ADHD
relative to exposure to lead paint: (1 point for the formula + 1 point for
the result)
4. Based on the computed test statistic in question 3, what is your
interpretation? (1 point)
5. What is your interpretation if the result in question for is equal to 1
RR=1 (1 point)
6. In your own words, explain the term relative risk (RR) and explain how
it is used in cohort studies (Word limit = 400). (4 points)
Student name:
Student ID #
Submission date:
Instructor name
Grade
Restricted – مقيد
Dr. Ebtesam A. Elsayed
—- out of 10
Guidelines:
Restricted – مقيد
•
Use this Word Document.
•
Complete student’s information on the first page of the document.
•
Start your writing from the next page.
•
Font should be 12 Times New Roman
•
Color should be Black
•
Line spacing should be 1.5
•
AVOID PLAGIARISM
•
Use reliable reference (References should be written in APA format)
•
Due date of Submission: Saturday 20/11/2025 at 11:59 pm
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