Types and use of epidemiological studies
| Study design | Type of information collected | How this information can be used |
|---|---|---|
| Descriptive and analytical studies | • Burden of disease (prevalence and incidence) | Policy |
| • Distribution of disease, with | Advocacy | |
| • identification of high risk groups | Priority setting | |
| • Risk factors for disease (aetiology) | Planning and resource allocation | |
| Target setting | ||
| Evaluation | ||
| Impact assessment | ||
| Intervention studies | • Effectiveness of preventive measures | Health promotion |
| • Effectiveness of treatments | Preventive measures | |
| Therapeutic interventions | ||
| Meta-analysis and systematic reviews | • Summary of evidence of effectiveness of preventive measures | Policy |
| • Summary of evidence of effectiveness of treatments | Guidelines | |
| Planning | ||