Skip to main content

Table 2 Comparison of multivariate linear regression models between two groups

From: Health behaviors influencing depressive symptoms in older Koreans living alone: secondary data analysis of the 2014 Korean longitudinal study of aging

Variables

Those who live alone

Those who live with others

B

SE

β

Δ R2 change

B

SE

β

Δ R2 change

Constant

5.454

0.015

  

4.204

0.012

  

Block 1: Sociodemographic factors

   

0.071***

   

0.057***

 Age (ref., 65–74)

  75–84

0.496***

0.007

0.044

 

0.144***

0.006

0.012

 

  Over 85

0.741***

0.013

0.039

 

−0.195***

0.011

− 0.009

 

 Gender (ref., male)

  Female

0.073***

0.009

0.006

 

−0.489***

0.006

−0.044

 

 Education level (ref., no school)

  Elementary school

−0.008

0.008

−0.001

 

−0.015*

0.008

−0.001

 

  Middle school

−0.430***

0.011

−0.027

 

0.066***

0.009

0.005

 

  High school

0.904***

0.012

0.055

 

−0.110***

0.009

−0.008

 

  College and above

−0.465***

0.017

−0.020

 

−0.066***

0.011

−0.004

 

 Socioeconomic status (ref., middle)

  High

0.822***

0.025

0.019

 

0.990***

0.016

0.029

 

  Low

1.139***

0.007

0.101

 

0.808***

0.005

0.072

 

Block 2: Health status

   

0.101***

   

0.169***

 Self-rated health status (ref. good)

  Excellent/Very good

−0.762***

0.010

−0.049

 

1.037***

0.007

0.071

 

  Fair/Poor

2.214***

0.008

0.201

 

2.395***

0.006

0.205

 

 Numbers of current chronic diseases

−0.234***

0.008

−0.018

 

−0.173***

0.006

−0.012

 

 Psychiatric illness

2.463***

0.013

0.109

 

3.431***

0.012

0.136

 

 Active pain

0.787***

0.008

0.062

 

1.545***

0.006

0.128

 

 LaPlante ADL/IADL impairment

0.221***

0.001

0.114

 

0.383***

0.001

0.202

 

Block 3: Health behaviors

   

0.008***

   

0.011***

 Active smoking

1.337***

0.013

0.065

 

−0.070***

0.008

−0.004

 

 Alcohol drinking

−0.672***

0.009

−0.050

 

−0.958***

0.006

−0.079

 

 Physical inactivity

−0.023**

0.007

−0.002

 

0.103***

0.006

0.009

 

 Social inactivity

0.678***

0.007

0.057

 

1.015***

0.006

0.081

 

Total adjusted R2

   

0.181***

   

0.237***

  1. Dependent variable = Total score of the Center for Epidemiologic Studies Depression Scale-10
  2. ADL/IADL Activities of daily living/Instrumental activities of daily living
  3. * p <  0.05, ** p <  0.01, *** p <  0.001
Back to article page

BMC Geriatrics

ISSN: 1471-2318

Contact us