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worksheet 3

# worksheet 3 - 3 As an epidemiologist at the National...

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Name ____________________________ Worksheet III - Direct Standardization 1. An Arizona community experienced an outbreak of Q-fever, a bacterial disease associated with exposure to infected cattle, sheep, and goats. Use the following table to determine the crude death rate, age-specific death rates and age-adjusted rate per 100,000. Take your age-specific calculations to two decimal places. Compare the crude and age-adjusted rates and summarize your findings in 2-3 sentences. Age # of deaths Study Population US Population ASR (per 100,000) < 1 2 800 189,420 1-9 14 3,600 199,470 10-19 27 17,500 392,960 20-29 11 34,700 362,350 30-39 45 86,000 422,720 40+ 189 77,000 1,159,990 2. In Pennsylvania, the 2002 crude all-cause mortality rate for women was 41.9 per 1,000 and for men it was 47.4 per 1,000. After standardizing the rate in women by making the age distribution similar to that of the men, the mortality rate for women was 27.8 per 1,000. Based on this finding, the women must be ___________________ (older/younger/the same age) than the men Pennsylvania.

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Unformatted text preview: 3. As an epidemiologist at the National Institutes of Health, you are asked to compare the death rates from violent crimes in Los Angeles and Houston. Use the following data: Los Angeles Houston U.S. in 2000 Age Deaths Population Deaths Population Deaths Population Total 175 9,820 110 12,200 4,402 194,409 < 20 68 1,700 43 2,300 2,100 75,684 20- 29 55 3,500 30 4,150 1,250 36,887 30-39 12 2,220 17 3,200 852 44,121 40-49 40 2,400 20 2,550 200 37,717 a. Calculate cause-specific rates for violent deaths per 1,000 for Los Angeles, Houston, and the United States. b. Calculate the age-specific rates for Los Angeles. c. Calculate the age-specific rates for Houston. d. Calculate the age-adjusted rate for violent deaths in Los Angeles and Houston per 1,000 using the U.S. 2000 population as the standard. e. Compare the age-adjusted rates of Los Angeles and Houston and summarize your findings. f. Compare the crude and adjusted rates for Los Angeles and summarize your findings....
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worksheet 3 - 3 As an epidemiologist at the National...

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