Question
https://uwf.instructure.com/courses/41051/files/9598027/download Variable Name Description Coding RANDOM ID Random, unique number for each participant AGE Age at exam, in years 32-70 GENDER Participants' sex 1=male, 0=female
https://uwf.instructure.com/courses/41051/files/9598027/download
Variable Name | Description | Coding |
RANDOM ID | Random, unique number for each participant | |
AGE | Age at exam, in years | 32-70 |
GENDER | Participants' sex | 1=male, 0=female |
TOTAL CHOL | Total cholesterol, mg/dL | 107-696 |
SBP | Systolic blood pressure, mmHg | 83.5-295 |
DBP | Diastolic blood pressure, mmHg | 48-142.5 |
BP MEDS | Anti-hypertensive medications | 0=no, 1=yes |
BMI | Body mass index, kg/meters2 | 15.54-56.8 |
SMOKING | Smoking StatusCardio | 0=no, 1=yes |
CIGS PER DAY | Number of cigarettes smoked per day | 0-70 |
GLUCOSE | Serum glucose mg/dL | 40-394 |
DIABETES | Diabetic | 0=no, 1=yes |
HEART RATE | Heart rate , beats/minute | 44-143 |
DEATH | Death from any cause over 24 year follow-up | 0=no, 1=yes |
STROKE | Stroke over 24 year follow-up | 0=no, 1=yes |
CVD | Cardiovascular disease over 24 year follow-up | 0=no, 1=yes |
HYPERTENSION | Hypertension over 24 year follow-up | 0=no, 1=yes |
Research has shown that there is a positive or direct association between BMI and blood pressure levels. Individuals with lower BMI tend to have lower systolic blood pressure. Conduct a univariate analysis to test the hypothesis that BMI is related to SBP; where BMI is the independent variable (X) and SBP is the dependent variable (Y) Include the SPSS Model Summary table and answer the following questions:
What does the R value represent? Interpret the R value. What does the R Square value represent? Interpret the R Square value. What are your conclusions based on the Model Summary table? |
What is the F-ratio? Interpret the value of the F-ratio. InterpretthesignificancevaluefortheF-ratio. What are your conclusions based on the Anova table? |
What is the beta-coefficient for the intercept in this model? What is the beta coefficient for BMI? Interpret the beta coefficient for BMI in relation to SBP. What is the regression equation? Interpret the significance value for the beta coefficient for BMI. Interpret the confidence interval for the beta coefficient for BMI |
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