What characteristics are associated with serum Glucose? Use simple and multivariable linear regression analysis to complete the following table relating the characteristics listed to Glucose as a continuous variable. Before conducting the analysis, be sure that all participants have complete data on all analysis variables. If participants are excluded due to missing data, the numbers excluded should be reported. Then, describe how each characteristic is related to Glucose level. Are crude and multivariable effects similar? What might explain or account for any differences? Outcome Variable: Glucose mg/dL Characteristic Regression Coefficient Crude Models p-value Regression Coefficient Multivariable Model p-value Age, years 32-81 Male sex 1=male 2=female Systolic blood pressure, mmHg 83-295 Total serum cholesterol, mg/dL 107-696 Current smoker 0=no 1=yes Diabetes 0=no 1=yes
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
- What characteristics are associated with serum Glucose?
Use simple and multivariable linear
Outcome Variable: Glucose mg/dL
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Characteristic |
Regression Coefficient Crude Models |
p-value |
Regression Coefficient Multivariable Model |
p-value |
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Age, years 32-81 |
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Male sex 1=male 2=female |
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Systolic blood pressure, mmHg |
83-295 |
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Total serum cholesterol, mg/dL |
107-696 |
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Current smoker 0=no 1=yes |
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Diabetes 0=no 1=yes |
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