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4050 Biostatistics and Epidemiology Exam 2 questions and answers graded A+ 2024/2025
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4050 Biostatistics and Epidemiology Exam 2 questions and answers graded A+ 2024/2025
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4050 Biostatistics and EpidemiologyExam 2
Biostatistics definition - ANSdata, measures of health activities in a population. It involves
design, analysis, and interpretation of information for research in public fitness and medicine
7 Uses of information in public health - ANS1) populace or community fitness evaluation
2) public health surveillance
three) disorder research
4) prevention and control measures evaluation
5) program planning
6) destiny fitness troubles and wishes assessment
7) hypothesis generation
Demographic data provide a ______ of an mixture - ANS"picture"
Demographic Statistics: what does NHANES & BRFSS stand for? - ANSNHANES: National
Health and Nutritional Evaluation Survey
BRFSS: Behavior Risk Factor Surveillance Survey
Numerators (in biostatistics) constitute the quantity of what? And depend activities that occur
amont the ________? - ANSrepresent the wide variety of events in a distinctive populace
remember activities that arise many of the Population At Risk
Denominators (in biostatistics) constitute the number of what? And ought to be eligible to matter
in the numerator if if they _____? - ANSrepresent the range of humans in a unique population,
or populace at danger, of experiencing the occasion
need to be eligible to count in the numerator in the event that they have the occasion of hobby
Ratio definition - ANSany fraction acquired by way of dividing one quantity by way of some other
(X/Y)
Proportion definition - ANSa ratio in which X is covered in Y
Example: the range of men who've prostate most cancers inside a population/the total number
of guys in a population
Rate definition - ANSoften a proportion, with the measurement of time factored in
, True/False Rate measures the frequency at which a health event occurs over a time period. -
ANSTrue
Proportions and charges are used for which 3 things? - ANS-morbidity
-mortality
-disease severity
Morbidity definition - ANSthe prevalence and prevalence fee
instance: incidence of TB
Mortality definition - ANSnumber of deaths
Disease Severity definition - ANScase fatality
Identify the Proportions within the list under
1) all ladies divided by way of guys
2) all ladies divided with the aid of the overall populace
three) girls elderly 14-25 divided with the aid of men of the equal age
four) girls aged 14-25 divided by way of all girls
five) women elderly 41-50 divided by way of the overall populace of the ladies - ANS2, 4, 5
*remember that with proportions the denominator has to consist of the populace in the
numerator; for instance for 2 all ladies are covered inside the overall populace so if there are 40
girls and the full populace is ninety four then there are fifty four guys making forty+54=ninety
True/False Crude Rate is calculated for a portion of the populace. - ANSFalse, it's miles
calculated for the whole populace
Example: how an awful lot TB within the kingdom of TN
*for a crude fee no demographics are factored in
Category-Specific Rates are:
calculated for a _________ inside a population
measures ________ of a health event in a positive group
used for _______ - ANSspecific group
frequency
comparisons
Age Related Rates - ANSAllow for the assessment of age-related fitness events between
communities with distinctive age systems
Matching:
1. Crude Rate
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