Term
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Definition
| - Factors or events that are capable of bringing about a change in health |
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Term
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Definition
| - Frequency of dz occurrence and determinants may vary from one population group to another |
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Term
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Definition
| - occurence in a community or region of cases of an illness clearly in excess of expectancy relative to usual frequency of dz |
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Term
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Definition
| - systematic collection of data pertaining to the occurence of specific dz |
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Term
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Definition
| - the minimum number of cases that would support the conclusion that an epidemic was underway |
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Term
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Definition
| - habitual presence of a dz within a given geographic area |
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Term
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Definition
| - an epidemic on a worldwide scale, must have crossed international borders. For WHO, must pass from 1 sanctioned region to another, there are 6 |
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Term
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Definition
| - the epidemiologist does not manipulate a risk factor but rather observes the changes in an outcome as the result of a naturally occurring situation |
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Term
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Definition
| - conditions that were once common but are no longer present in epidemic form |
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Term
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Definition
- contributing factors are largely known
- methods of control not implemented effectively |
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Term
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Definition
| - diseases for which there is no effective method of prevention or no known cure |
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Term
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Definition
- births
- deaths
- Migration |
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Term
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Definition
- No migration out of population
- no births
- population on flux with deaths |
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Term
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Definition
- Population increase/decrease through migration
- increase with births
- decrease with deaths |
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Term
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Definition
| - # of births and inmigration = # of deaths and out migration |
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Term
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Definition
| - exposure that is associated with a disease |
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Term
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Definition
- frequency of the disease varies by category of value of factor
- the risk factor precedes onset of the dz
- the observed association muct not be due to error |
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Term
| Nine Criteria for Causality |
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Definition
- strength of association
- time sequence
- consistency upon repetition
- specificity
- coherence of explanation
- biologic gradient
- Plausibility
- experiment
- analogy |
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Term
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Definition
- Prepathogenesis
- Pathogenesis
- Preclinical Phase
- Clinical Phase |
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Term
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Definition
| - a measure that states a count relative to the size of the larger group |
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Term
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Definition
| - # of deaths in pop. during time period/ average population at midpoint |
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Term
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Definition
| - # existing cases of a disease or health condition, including risk factors, in a population at time |
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