(Answered)-smoke yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes - (2025 Updated Original AI-Free Solution

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Question

?Use the stenosis.dta or stenosis.xls file attached.?

(2) Generate two tables: one for smokers and another for nonsmokers.

(2) What is the odds ratio for developing stenosis for males relative to females (smokers only)?

(2) What is the Mantel-Haenszel combined odds ratio for males developing stenosis relative to females, combining both smokers and nonsmokers?

(2) Perform a logistic regression with stenosis as the outcome and sex and smoking status as the explanatory variables. What is the equation?

(4 points) Looking at the following life table (WHO), estimate that probability that a 40-year old will survive to age 80.

smoke
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no

disease
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes

sex
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male

no
no
no
no
no
no
no
no
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
yes

yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
yes

male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
male
female

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no

female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female

yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no

no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no

female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female
female