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Published bySherman Walton
Modified over 2 years ago
Khairil Anuar Md. Isa Faculty of Health Sciences, UiTM
Observe at one particular time or over a period Exposure & outcome measured at the same time Also known as prevalence study Information obtained from the subjects only once
Population Sampled Unexposed Exposed No disease Disease
Strength ◦ Very quick and inexpensive to implement ◦ Useful for determining prevalence ◦ Appropriate for diagnostic test for validity
Weakness ◦ Difficulty in establishing links of causal effect ◦ Impractical for rare outcome
Types of Studies. Aim of epidemiological studies To determine distribution of disease To examine determinants of a disease To judge whether a given exposure.
Lecture 6 Objective 16. Describe the elements of design of observational studies: (current) cohort studies (longitudinal studies). Discuss the advantages.
Overview of Study Designs. Study Designs Experimental Randomized Controlled Trial Group Randomized Trial Observational Descriptive Analytical Cross-sectional.
Types of study designs Arash Najimi
Basic concept of clinical study
Is the association causal, or are there alternative explanations? Epidemiology matters: a new introduction to methodological foundations Chapter 8.
Epidemiologic study designs
Conclusion Epidemiology and what matters most
CHP400: Community Health Program- lI Research Methodology STUDY DESIGNS Observational / Analytical Studies Case Control Studies Present: Disease Past:
Manish Chaudhary BPH, MPH
Case-Control Studies Abdualziz BinSaeed. Case-Control Studies Type of analytic study Unit of observation and analysis: Individual (not group)
Lecture 7 Objective 18. Describe the elements of design of observational studies: case ‑ control studies (retrospective studies). Discuss the advantages.
Types of study designs.
Case Control Study Manish Chaudhary BPH, MPH
1 Case-Control Study Design Two groups are selected, one of people with the disease (cases), and the other of people with the same general characteristics.
CASE CONTROL STUDY. Learning Objectives Identify the principles of case control design State the advantages and limitations of case control study Calculate.
Principles of Epidemiology Lecture 10 Dona Schneider, PhD, MPH, FACE
A question of perspective Types of epidemiological studies FETP India.
BC Jung A Brief Introduction to Epidemiology - IX (Epidemiologic Research Designs: Case-Control Studies) Betty C. Jung, RN, MPH, CHES.
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