Terms Related to Intervention Study

• Epidemiologic Study

  Studies designed to examine associations, commonly, hypothesized causal relations. They are usually concerned with identifying or measuring the effects of risk factors or exposures. The …

• Retrospective Study

  Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons …

• Epidemiologic Effect Modifier

  Factors that modify the effect of the putative causal factor(s) under study.

• Hazards Model

  Statistical models used in survival analysis that assert that the effect of the study factors on the hazard rate in the study population is multiplicative …

• Epidemiologic Confounding Factor

  Factors that can cause or prevent the outcome of interest, are not intermediate variables, and are not associated with the factor(s) under investigation. They give …