Term
|
Definition
| Analyses are done on a post hoc basis without the benefit of pre-stated hypotheses. These analyses are usually considered unacceptable. |
|
|
Term
|
Definition
| The difference between a true value and that obtained as a result of faulty design of a study. |
|
|
Term
|
Definition
| Bias due to systematic error(s) in methods of ascertainment, diagnosis, or verification of cases in an epidemiological study. |
|
|
Term
|
Definition
| The process of determining health status and the factors responsible for producing it. |
|
|
Term
|
Definition
| A variable in which there are only two levels or categories. |
|
|
Term
|
Definition
| One determinant is directly associated with an outcome without any intermediate determinants. |
|
|
Term
|
Definition
| Transmitting an agent directly from the host to the susceptible. For example, person-to-person transmission by direct contact. |
|
|
Term
|
Definition
| A relationship in which a change in amount , intensity, or duration of exposure is associated with a change—either an increase or a decrease—in risk of a specified outcome. |
|
|
