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study of the distribution and determinants of health related states or events in specified populations
an unexpectedly large number of cases of an illness, specific health related behavior, or other health related event in a particular pop
the number of new health related events or cases of a disease in a population exposed to that risk during a particular period of time, divided by the total number in that same pop
the number of new and old cases of a disease in a population in a given period of time, divided by the total number in that population
an incidence rate calculated for a particular population for a single disease outbreak and expressed as a percentage
rate used to make comparisons of relative risks across groups and over time when groups differ in age structure
proportionate mortality ratio
the percentage of overall mortality in a population that is attributable to a particular disease
infectious diseases for which health officials request or require reporting for public health reasons
the average number of years a person from a specific cohort is projected to live from a given point in time
disability-adjusted life years
a measure for the burden of disease that takes into account premature death and loss of healthy life resulting from a disability
health-adjusted life expectancy
the number of years of healthy life expected, on average, in a given population
an epidemiological study that describes an epidemic with respect to person, place, and time
a graphic display of the cases of disease according to the time or date of onset of symptoms
point source epidemic curve
an epidemic curve depicting a distribution of cases that all can be traced to a single source of exposure
propagated epidemic curve
an epidemic curve depicting a distribution of cases traceable to multiple sources of exposure
a study that seeks to compare those diagnosed with a disease with those who do not have the disease for prior exposure to specific risk factors
an epidemiological study in which a cohort is classified by exposure to one or more specific risk factors and observed to determine the rates at which disease develops in each class
a probability statement about the association between a particular disease and a specific risk factor, resulting from a case/control study
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