SAFE 811: Multivariate Analysis

Spring 2022
Assignment 4

Binary Logistic Regression

Data was collected on employees as to whether they were injured over the past year and if they completed their required safety training.
Analyze the printout tables by answering the following:
– Is the regression significant or not? Explain your answer
– Explain the R2 value
– What is the probability of someone not attending the training of being injured?
– What is the probability of someone attending the training of being injured?
– What is the odds ratio of not trained to trained and what does it mean?

Trained 1 Not Trained 0
Injured 1 Not Injured 0

Provide the Log Odds equation

Trained Injured
1 0
1 0
1 0
1 0
1 0
0 0
1 0
1 0
1 0
0 0
1 0
1 0
1 0
0 0
0 0
1 0
1 0
1 0
0 0
0 0
0 0
1 0
1 0
0 0
1 0
0 1
0 1
0 1
0 1
0 1
1 1
0 1
0 1
0 1
0 1
1 1
0 1
0 1
0 1
0 1
1 1
0 1
0 1
1 1
1 1
0 1
0 1
1 1
0 1
0 1
1 0