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Table 2 Correlation Matrix for the Continuous Variables in the Study

From: Loneliness and isolated living status in middle-aged and older adults in Taiwan: exploration on stress-related biomarkers, depressive symptoms, and disability

 

1

2

3

4

5

6

7

8

9

1. Age

-

-0.06

-0.05

0.20***

0.43***

0.37***

0.03

0.10

0.03

2. Education

-0.12

-

<0.01

-0.13*

-0.17**

-0.11*

-0.07

-0.02

-0.09

3. PSS

-0.03

-0.001

-

0.30***

0.16**

0.09

0.07

0.05

0.09

4. CES-D#

0.21***

-0.17**

0.39***

-

0.43***

0.37***

<0.01

0.10

0.02

5. Mobility

0.48***

-0.22***

0.15*

0.45***

-

0.76***

<-0.01

0.16**

0.08

6. IADLs

0.48***

-0.21***

0.18**

0.40***

0.83***

-

-0.06

0.18**

0.05

7. Cortisol

-0.04

-0.07

0.20**

0.12

-0.01

0.08

-

0.07

0.26***

8. IL-6

0.18**

-0.17*

0.04

0.07

0.02

0.06

-0.03

-

0.54***

9. hsCRP

-0.001

-0.07

0.10

0.16*

0.14*

0.20**

-0.01

0.10

-

  1. Note. The upper diagonal was based on men (N=370); the lower diagonal was based on women (N=259); PSS The Perceived Stress Scale; CES-D The Center for Epidemiologic Studies Depression Scale; IADLs Instrumental Activities of Daily Living; IL-6 Interleukin-6; hsCRP High sensitivity C-reactive protein. #9-item CES-D score (excluding lonely); *p < 0.05; **p < 0.01; *** p < 0.001
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BMC Psychiatry

ISSN: 1471-244X

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