Pubh6035 Study guides, Class notes & Summaries

PUBH6035 Module 3 Assignment 1; Case Study Epidemiological Measures

1. Question: If the incidence rate of a very serious disease is 25/100,000 person-years and the prevalence of this disease in the population is 75/100,000, what is the average survival time of individuals who contract this disease? 2. Question: A report of a clinical trial of a new drug versus a placebo noted that the new drug gave a higher proportion of successes than did the placebo (70% versus 40%). The report ended with the statement that the p value associated with this finding was equal t...

PUBH6035 Module 5 Assignment; Problem Set - Confounding and Effect Modification

PUBH6035 Module 4 Discussion 1; Epidemiological Study Designs

1. Question: What were the total person-months at risk during the study? 2. Question: A cohort study of coffee drinking and anxiety was conducted at a university campus. There were a total of 30,000 freshmen who participated. 10,000 were coffee drinkers and 20,000 were not. Of the coffee drinkers, 500 developed anxiety during the 4-year follow-up period. Of the non-coffee drinkers, 200 developed anxiety during the same time period. Assume that no one in the population died or was lost during th...

As a public health professional, you may be given data and be asked to calculate and interpret basic measures of disease frequency such as incidence and prevalence statistics. This Discussion will give you the opportunity to work through these calculations and gain experience and understanding of these key measures of disease frequency. Note that the discussions in Modules 2, 3, and 5 of this course are different than traditional Discussions in which you may have participated. Consider these d...

1. Question: A study that compares the prevalence of high blood pressure among current Massa chusetts Turnpike toll booth collectors with the current prevalence of high blood pressure of current Turnpike office workers. What type of study is this? 2. Question: A strength of BOTH cross-sectional and an ecological studies is: 3. Question: The Health Professionals Cohort Study began in 2005 in order to evaluate a series of hypotheses about men’s health relating nutritional factors to the incide...

ThisDiscussionwillfacilitate yourunderstandingabouthowtominimizebiasinstudies,aswellas how to assess potential confounders and effect modifiers. Before you participate in thisDiscussion,completethefollowingtasks: • Readtheassignedchaptersofthetextbook. • WatchthevirtuallabprovidedintheLearningResources. • ReviewthechapterquestionsforChapters10,11,13,and14,whicharedesignedtohelpyoupracticeandassessyourunderstandingoftheconcepts presentedinthechapter. • Completethefollowingassignedch...

1. Question: The main purpose of screening is to identify symptomatic disease using tests, exams, or other procedures 2. Question: The detectable preclinical phase of a disease starts when the disease can be identified by a screening test and ends when the disease produces symptoms 3. Question: Diseasesthatareappropriateforscreening… 4. Question: Usethefollowinginformationtoanswerquestions4-8.Supposethat50,000womenwhohaveneverhadabreastcancerdiagnosisareavailableandwillingtoparticipateinane...

1. A cohort study of smoking and bladder cancer was conducted in a small islandpopulation. There were a total of 1000 people on the island. Four hundred weresmokersand600werenot.Fiftyofthesmokersdevelopedbladdercancer.Tenofthenon-smokersdevelopedbladdercancer. • Constructatwobytwotableusingthedatagivenabove.Besuretolabelthecells andmargins. • Whichmeasureofcomparisonwouldyouusetodescribetherelativeeffectofsmoking ontheriskofbladder cancer?. • Whatistheformulaforthismeasureofcomparis...