SOC 4369 Study Guide - Midterm Guide: Randomized Controlled Trial, Cohort Study, Environmental Health
Document Summary
Occupational groups, smokers, carriers of gene mutations. Physicians, nurses, teachers, medical care plans, veterans, racial/ethnic groups. General: subject to healthy worker effect, where those who are working are more likely to be healthy. Comparison: choose from another population such as two cities. Can be selected because of a higher probability of exposure to agent of interest; logistic advantages to researcher. Pre-existing records (medical), direct measure (environmental sampling), lab measures (cholesterol), interviews (smoking) Designed to test the efficacy of a treatment. Compare the outcomes of the group receiving the intervention and the group of patients with a control therapy. Test hypotheses, effectiveness of interventions, to suggest public health policies and programs, to assess costs and benefits of programs, to evaluate efficacy of health services. Defn: used to test efficacy of preventive or therapeutic measures. Used by not letting subjects know whether they are in the treatment or control group.
