HST209H1 Lecture Notes - Lecture 6: Cohort Study, Direct Manipulation Interface, Rare Disease
10 Apr 2020
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Descriptive studies: describes occurrence of disease in population. Analytical studies: looks at relationships in the findings. Be familiar with health promotion and distinguish it from other strategies of health. Critiques of population health from a health promotion perspective. Incidence= number of new cases of a disease/ number of people at risk of developing disease. Prevlence= number of cases of disease in a population/number of population. Observational: no intervention on the part of researchers. Experimental: some degree of intervention on the part of the research. Ecological studies: used to generate for further testing. Ecological fallacy: drawing inappropriate conclusion at the individual level using ecological- level data. Cross-sectional studies: used to measure disease prevalence at one point in time. Case-control studies: start with cases (people with a disease of interest) and compare them with controls (people without disease) Cohort studies: start with population free of disease and investigate development of disease in exposed and non-exposed groups.
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