INTRO TO EPIDEMIOLOGICAL METHODS
Download as PPT, PDF9 likes5,565 views
This document discusses different types of epidemiological studies. There are two main types: observational studies and experimental studies. Observational studies can be descriptive or analytical. Analytical studies include ecological, cross-sectional, case-control and cohort studies which examine individuals. Experimental studies include randomized controlled trials, field trials and community trials which examine patients, healthy people or entire communities as the unit of study.
INTRO TO EPIDEMIOLOGICAL METHODS
- 2. EPIDEMIOLOGICAL METHODS EPIDEMIOLOGICAL STUDIES CAN BE CLASSIFIED AS FOLLOWS. Observational studies Experimental studies
- 3. OSERVATIONAL STUDIES OBSERVATIONAL STUDIES CAN EITHER BE ---- Descriptive studies Analytical studies
- 4. PROCEDURES IN DESCRIPTIVE STUDIES Defining the population to be studied. Defining the disease under study. Describing the disease by time, person, place. Measurement of disease. Comparing with known indices. Formulation of an etiological hypothesis
- 5. ANALYTICAL STUDIES Analytical Studies could be one of the following type. ECOLOGICAL STUDIES. CROSS-SECTIONAL STUDIES. CASE-CONTROL STUDIES. COHORT STUDIES
- 6. SYNONYMS ECOLOGICAL CROSS SECTIONAL CASE CONTROL COHORT CORRELATIONAL PREVALENCE CASE REFERENCE FOLLOW UP
- 7. ANALYTICAL STUDIES & POPULATION ECOLOGICAL CROSS SECTIONAL CASE CONTROL COHORT POPULATION AS UNIT OF STUDY INDIVIDUALS INDIVIDUALS INDIVIDUALS
- 8. EXPERIMENTAL STUDIES THE FOLLOWING ARE THE TYPES. Randomized Control Trials. Field Trials. Community Trials
- 9. EXPERIMENTAL STUDIES & POLPULATION RANDOMIZED CONTROL TRIALS FIELD TRIALS COMMUNITY TRIALS PATIENTS AS UNIT OF STUDY HEALTHY PEOPLE AS UNIT OF STUDY COMMUNITY AS UNIT OF STUDY
- 10. EXPERIMENTAL STUDIES & POLPULATION RANDOMIZED CONTROL TRIALS FIELD TRIALS COMMUNITY TRIALS PATIENTS AS UNIT OF STUDY HEALTHY PEOPLE AS UNIT OF STUDY COMMUNITY AS UNIT OF STUDY