When the socioeconomic (SES) and health variables are added in Model 2, is there evidence that they mediate the relationship between race/ethnicity and depression? How do you know? For Model 1, what score on depression would you predict for a non-white, unmarried male who is 75 years old and has a score of 2 for problems with drinking?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Use this multiple regression table to answer the series of questions below.

Self-Reported Depression1 among Older American Adults (N = 1,946)

 

Model 1

Model 2

Variables

b (se)

Beta

b (se)

Beta

Drinking

 

 

 

 

Problems with drinking

(0= little to no problems with drinking to 4= serious problems with alcohol)

.599 (.118)

.117***

.429 (.108)

.084***

Socio-Demographics

 

 

 

 

Gender

(Male =1)

-.815 (.221)

-.087***

-.553 (.203)

-.059**

Race/Ethnicity

(White = 1)

-1.105 (.250)

-.099***

-.088 (.239)

-.008

Marital Status

(Married = 1)

-.894 (.233)

-.091***

-.352 (.225)

-.036

Age (57 - 85 years old)

.029 (.014)

.048*

-.026 (.014)

-.043

 

 

 

 

 

Socio-Economic Indicators

Income (1 = 0-24,999 to

4 = 100k or higher)

 

 

 

-.612 (.121)

 

-.133***

Education (1 = less than High school to 4 = Bachelors or more)

 

 

-.238 (.108)

-.053*

Employment Status (Employed = 1)

 

 

-.548 (.224)

-.055*

Health

 

 

 

 

Physical Health

(1 = Poor to 5 = Excellent)

 

 

-1.410 (.094)

-.329***

 

Intercept

 

3.375

 

13.914

R2

.042

.203

1Self-Reported Depression ranges from 0 to 30, with higher scores reflecting more depressive symptoms. *p<0.05; **p<0.01; ***p<0.001

 

  1. When the socioeconomic (SES) and health variables are added in Model 2, is there evidence that they mediate the relationship between race/ethnicity and depression? How do you know?
  2. For Model 1, what score on depression would you predict for a non-white, unmarried male who is 75 years old and has a score of 2 for problems with drinking?
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