In a study of violent victimization of women and men, 679 women and 345 men were
ID: 3170301 • Letter: I
Question
In a study of violent victimization of women and men, 679 women and 345 men were surveyed and reported whether they had been hit kicked or punched or otherwise hurt by someone within the past year. Subjects who answered yes where classified as violently victimized. Use logistic regression analysis to find the regression coefficients and the estimate of the odds ratio. Write an interpretation of your results.
Victimization Women Men Total
No victimization 611 308 919
Violently victimized 68 37 105
Total 679 345 1024
Explanation / Answer
Result:
In a study of violent victimization of women and men, 679 women and 345 men were surveyed and reported whether they had been hit kicked or punched or otherwise hurt by someone within the past year. Subjects who answered yes where classified as violently victimized. Use logistic regression analysis to find the regression coefficients and the estimate of the odds ratio. Write an interpretation of your results.
Victimization Women Men Total
No victimization 611 308 919
Violently victimized 68 37 105
Total 679 345 1024
SPSS is used and gender is coded as female =1 and male as 0
Model Summary
Step
-2 Log likelihood
Cox & Snell R Square
Nagelkerke R Square
1
676.998a
.000
.000
a. Estimation terminated at iteration number 5 because parameter estimates changed by less than .001.
Variables in the Equation
B
S.E.
Wald
df
Sig.
Exp(B)
95% C.I.for EXP(B)
Lower
Upper
Step 1a
gender(1)
.076
.216
.125
1
.723
1.079
.707
1.648
Constant
-2.196
.128
294.973
1
.000
.111
a. Variable(s) entered on step 1: gender.
Logistic Regression coefficient for female = 0.076
Odds ratio = 1.079
If the victim is women, then classified as violently victimized is 7.9% more for women than men.
Model Summary
Step
-2 Log likelihood
Cox & Snell R Square
Nagelkerke R Square
1
676.998a
.000
.000
a. Estimation terminated at iteration number 5 because parameter estimates changed by less than .001.
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