Kinesiology 1070A/B Lecture Notes - Lecture 6: Metabolic Equivalent, Flatline, World Health Organization
31 Oct 2016
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How exercise affects health issues like depressions, sleep patterns, eating patterns, smoking. Incidence- rate of new disease or health event. Uses naturally occurring differences in the population to observe and understand the effect of these differences (differences could be overweight, frequent smoker etc. ) Only ethical way to study exposure-disease relationship (would be unethical to choose random group to become overweight then study effects) Criticized for not showing causation like randomized controlled studies. A group of individuals is identified and watch what events befall them. Person years are total number of 1 year periods of time1 person is under observation during study follow up period. Participants answered questions based on their daily physical activity measured in kcals to examine future health problems. Found that moderate exercise causes less heart attacks. Identifies a group of people with a specific disease and try to identify the cause of said disease. Identified breast cancer survivors and compared them to a control group.
