SAS Assignment 6

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National University College *

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Statistics

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Apr 3, 2024

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docx

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Uploaded by ChancellorMorningKingfisher37

SAS 6: Computing SMR Standardized Mortality Rate by Strata This assignment teaches you a little more about reading in data with SAS and also how to compute standardized mortality rates both overall and by strata. In Part A, you will compute the SMR for skin cancer and compare that to the US as the reference population. In Part B, you will compute the SMR stratified by age. Complete code is given below. Refer to the link in the livebinder for a video explaining each statement. 1. Run the code for the two analyses. 2. Answer this question referring to your results? Does the first analysis show a difference in SMR for skin cancer between Florida and the US as a whole? 3. Answer this question referring to your results? Does the second analysis, by strata, show a difference in SMR for skin cancer between Florida and the US as a whole? First Analysis (Overall SMR Comparison between Florida and US): The Standardized Morbidity/Mortality Ratio (SMR) for skin cancer in Florida compared to the US as a whole is 1.0175, with a standard error of 0.0439. The 95% confidence interval for the SMR ranges from 0.9316 to 1.1035. The Z-value is 0.40, and the p-value is 0.6893, indicating that the SMR for skin cancer in Florida is not significantly different from that of the US population as a whole. Second Analysis (SMR Stratified by Age): The SMR is calculated for different age groups ranging from 00-04 to 85+. Across all age groups, the SMR estimates for Florida compared to the US reference population are close to 1.0. This suggests that there is no significant difference in the SMR for skin cancer between Florida and the US across different age strata. Answers to the Questions: The first analysis does not show a significant difference in SMR for skin cancer between Florida and the US as a whole. Similarly, the second analysis by strata also does not show a significant difference in SMR for skin cancer between Florida and the US across different age groups.

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