Kinesiology 2032A/B Lecture Notes - Lecture 19: Longitudinal Study, Central Tendency

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 2032A/B
• Professor: Lindsay Nagamatsu

Document Summary

Cross sectional= more common, less expensive, immediate results. Cohort: a group of people born at approx the same time and exposed to the same societal events. In uenced by same demographic trends (ie. divorce rates, family size, priorities, political/economic/educational conditions) Longitudinal= less common, more expensive, have to wait for results, may lose participants due to death/moving/dropping out, requires lots of resources and time, but results are more conclusive to see how people change over time. Epidemiological studies: the study of how often disease occur in different groups of people and why. The information is used to plan and evaluate strategies to prevent illness and act as a guide to the management of patients in whom disease has already developed. Cohort study: longitudinal study following a cohort over time observe incidence of rate of disease/outcome. Case-control study: cross-sectional comparison of individuals with the disease to those who are similar but don"t have to disease.