TRN125Y1 Lecture Notes - Situation Two, Epigenetics, Psychological Resilience
2 May 2013
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Lecture 11:demographic and epidemiologic transitions in population health. Life expectancy (le) and longevity: positive health outcomes today. Gain in life expectancy: active le. Aging and longevity: video refers to the area with the highest # of centenarians living there. Average lifespan of a cohort of individuals observed after an inception of time. From theoretical perspective, calculating life expectancy involves observations in which all members of a certain cohort have died that"s the only way you can know how much time they have contributed average life expectancy. Graph shows: months since inception point (diagnosis or treatment not general @ birth life expectancy because people longer than just months: life expectancy = 130/10 = 13 months. So, follow cohort until they die and add up what the contributed divided by the # of members in cohort. Le = total time/# of individuals in a cohort. Graph shows horizontal life spans for each individual (in months)
