Epidemiology final

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what is the lr -

0.3

a screening test for newly.... what was the sensitivity...

0.71

what was the predictive ....positive

0.75

what is the overall accuracy

0.88

what was the predictive negative

0.91

what was the specificity....

0.93

in what age group is the YPLL for suicide the greatest

15-24

assuming a life expectancy of 65 years.... 0-4 for accidents

25,938

what is the rate ratio of all malignant cancers to accidents

3.8

what is the crude mortality rate per 100,000 for all causes

818

what is the lr+

9.9

repeatability

RELIABILITY

which of the following is an appropriate interp... lr-

a neg test score is suggestive...

bladder

aaromatic amines

which of the following is not part of the definition of field investigation

all of these are

underlying the estimation of sample size are all of the following

all of these are involved.....

which of the following is not assoc w a phase ii trial

all of these are....

osteoporosis

arsenic

respiratory/ asthma

asbestos

leukemia

benezene

a case control study found a positive assoc between self reported alcohol use during preg and fetal....

bias

the interviewer in a case control study assumed that an assoc existed between alcohol consumption and myo

bias

which of the following types of risk factors is assoc......

bilogic/geneti

a way to control for bias

blind

a cohort study found no statistical assoc between smoking anf coro.....

chance

a case control study showed that a strong negative assoc existed between exerise adn heart disease

confounding

what is the most appropraite type of rate for investigating an outbreak

cumulative incidence

an incxr risk of burkits lymphoma has been assoc w

epstein barr

which of the following designs is potentially most useful for making a judgement about sausality

experimental

precipitating factors are best defined as

factors essential to deve

t/f experimental studies involving randomization are always preffered over nonrandomized studies

false

t/f infant mortality rate is 6 (8 per 1000)

false

t/f surrogate endpoints become particularly useful in randomized controlled trials when......

false

t/f the experimental study is effective when the outcome of the interest is rare

false

t/f the within group design provides less control over confounders than the between group desgin

false

T/F the crude death rate is 801 per 10,000

flase

which of the following is a conctribution of william farr

he promoted

method of concomitant variation

incr numbers of children...

a way to control for a chance finding

incr sample size

method of agreement

increasing trends...

cancer has been assoc w all of the following except

it has been assoc w all

what efect does randomization in a large intervention study have

minimizes potential bias in the allocation of participants to treatment group

an unplanned type of experimental study where the levels of exposure to a presumes causw differ

natural experiment

cancer may be classified as which of the followung

neither a or b

dermatologic

nickel

among the causal criteria presented in the text, temporality....

none of these

the _____ is defined as the reffect on patient outcomes that may occur due to the expectation by a patient that a particular intervention will have an effect

placebo effect

how would you classify an epidemic if the epidemic curve shows a rapid rise, peak, and gradual decrease

point source

liver

radon

a way to control for confounding

randomize

a factorial design may be useful for all of the following reasons EXCEPT

reduce feasibility

which of the following describes lead time bias

screening advances

what is a limitation of using a run in period in an intervention study

the study subjects may differ from the general population

in 2020, the crude death rate was 800 per 100,000 in the US per 100,000 in malaysia.... population as standard

thye wpuld be more similar

t/f age specific mortality rate for persons ages 55 years or older 1,880 per 100000

true

t/f assessment of the clinical findings should be done to assure correctiveness and reliability of the findings

true

t/f establishing a valid statistical assoc is necessaary part of .....

true

t/f polyunsaturatrd fats compared with mono...

true

t/f proportionate mortality ratio for cancer among persons ages 55 years or older is 5%

true

t/f selection of a high risk population of developing the outcomes of interest is a primary strategy to ensure the accumulation of an adequate number of cases that will develop the end points

true

t/f the maternal mortality rate is 156 per 100,000

true

measures what it is supposed to measure

validity

method of difference

valley fever....

lung

vinyl chloride

a valid statistical association in any analytic study design requires....

wgbe ab extrinsic factor influences the disease outcome abd independent

when is it approproate to refer to an epidemic as an outbreak

when it is more localized

amount in a given time period

yield


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