Monday, April 22, 2013

Life Expectancy

In 1918 the Spanish flu was killing hundreds of thousands of people, especially in the younger age groups. You people would go off to war, contract the Spanish flu, and then infect their peers when they returned. Many people died at a very young age at this time. This is a life expectancy table for a few people who are buried in a Macon cemetery who died in 1918.

 Life Expectancy Table for 1918

Cohort (x) Raw Counts (Dx) % in Cohort (dx) Survivorship (lx) Death % (Qx)
0-9.9 1 10 1 0.1
10-19.9 0 0 0.9 0
20-29.9 1 10 0.9 0.111
30-39.9 3 30 0.8 0.375
40-49.9 4 40 0.5 0.8
50-59.9 0 0 0.1 0
60-69.9 1 1 0.1 0.1
70-79.9 0 0 0 0
80+ 0 0 0 1


 Most of the people who were found to have died at this time died in their thirties and forties. With a larger sample size it is possible that the life expectancy may be more bleak because so few numbers can cause skewed results. But when compared to a small sample of people buried in the same cemetery who died between 1960 and 1980.

Life Expectancy Table in 1960-1980

Cohort (x) Raw Counts (Dx) % in Cohort (dx) Survivorship (lx) Death % (Qx)
0-9.9 0 0 1 0
10-19.9 0 0 1 0
20-29.9 1 10 1 0.1
30-39.9 0 0 0.9 0
40-49.9 0 0 0.9 0
50-59.9 1 10 0.9 0.111
60-69.9 0 0 0.8 0
70-79.9 1 10 0.8 0.125
80-89.9 5 50 0.7 0.714
90+ 2 20 0.2 1


People who died during this time period seemed to die more in their eighties, which is a forty to fifty year difference when compared to the 1918 group. Once again this is a small sample size so the results may not be completely accurate, but the difference is drastic enough that there is an obvious difference without counting for error.

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