Descriptive Epidemiology
The field of epidemiology concerned with
describing the definition and occurrence of
disease within a defined population
Includes dimensions of person, place, and
time
Case Definition
A set of objective. Uniform, and consistent

ln-Class Practice
Frequency Distributions
PUH 250
1. Forthe following set of scores: 5, 6, 2, 3, 6, 5, 6, 4, 1, 5, 6, 3, 4
a. Construct a frequency distribution table.
b. Sketch a polygon showing the distribution
0. Describe the distribution using the fol

Hypothesis Testing
Home Practice Answers
1a. Decreases the standard error (denominator); A larger Z-score is produced.
b. Increases the standard error (denominator); A smaller Z-score is produced.
c. Increases the mean difference (larger numerator); A lar

t-Statistic and Estimation
Home Practice Problems Answers
1. A study takes a simple random sample from a population of full-term infants.
The standard deviation of birth weights in this population is 2 pounds. Calculate
95% confidence intervals for for sa

School of Public Health
University of Alabama at Birmingham
Fall 2016
Professor David Becker
PUH 307: Public Health Policy
MIDTERM LIST OF TOPICS
Disclaimer: This list is intended to assist you as you prepare for the exam, but may not be exhaustive. Ultim

Tip 1 with 2 x 2 tables always PICK 1 layout and be consistent with what your
columns and rows are how you arrange your data. Either always put exposure on
your columns or your outcome:
Disease
Non-Diseased
Exposed
Unexposed
Exposed
Un exposed
Disease
Non

1. A total of 177 students attended a school potluck lunch. Within the next two days, there were numerous
students who were absent from school due to what parents described as food poisoning, an upset
stomach, and the stomach flu. School administrators sp

PUH 302, Spring 2015
Homework #3
Name:_
Instructions: Please answer the following questions. A hard copy of this assignment is due by the
beginning of class on March 12. You must turn in a hard copy of your homework assignment. If you do
not turn the assi

Exam #1 review
Covered Lectures
What is epidemiology?
Historical contributions of epidemiology
Current uses of epidemiology
Infectious disease process
WHAT IS EPIDEMIOLOGY
What is epidemiology?
The study of the distribution and
determinants of diseases i

Sources of data
o Case registries
Notifiable disease registry (know what it is)
o Birth certificates
o Death certificates
Know underlying/contributing cause of death
Case definition
o Know the different types of case definitions
o Know the order of str

PUH 302:
Final Exam Review
STUDY DESIGN
Epidemiologic Study Designs
Descriptive
Case reports, series
Ecologic
Cross-sectional
Observational
Case-control (and variants)
Cohort
Interventional
Clinical/field/community trial
Weaker
Evidence for Causa