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Table 2 Results from the parallel growth curve model for cognitive functioning and depressive symptomatology

From: Mid-life socioeconomic status, depressive symptomatology and general cognitive status among older adults: inter-relationships and temporal effects

 

Negative affect

Lack of positive affect

 

β

 

SE

β

 

SE

Direct effect

      

Cognitive functioning

      

 Mid-life SES → Cognitive Intercept

0.37

***

0.03

0.37

***

0.03

 Mid-life SES → Cognitive Slope

0.03

*

0.01

0.02

 

0.01

 Female → Cognitive Intercept

−0.45

***

0.03

−0.46

***

0.03

 Dep Intercept → Cognitive Slope

−0.001

 

0.004

−0.04

 

0.02

 Intercept/slope covariance

−0.04

**

0.01

−0.04

***

0.01

Depressive symptomatology

      

 Mid-life SES → Depression Intercept

−0.76

***

0.13

−0.30

***

0.06

 Mid-life SES → Depression Slope

−0.13

*

0.06

−0.05

 

0.03

 Female → Depression Intercept

1.70

***

0.16

0.08

 

0.07

 Cog Intercept → Depression Slope

0.23

**

0.08

0.04

 

0.04

 Intercept/slope covariance

−0.31

 

0.25

−0.05

 

0.06

Covariance

      

 Covariance between intercepts

−0.76

***

0.08

−0.12

***

0.04

 Covariance between slopes

−0.06

***

0.01

−0.01

**

0.01

 Covariance between female and mid-life SES

−0.12

***

0.01

−0.12

***

0.01

Model Fitting

      

  χ 2 (55)

191.06

***

 

86.47

***

 

 RMSEA

0.031

  

0.016

  

 CFI

0.967

  

0.987

  

 TLI

0.956

  

0.982

  

Latent factor

Mean

 

SD

Mean

 

SD

 Depression Intercept

0.28

 

2.69

−0.14

 

0.51

 Depression Slope

−0.07

 

0.32

−0.03

 

0.09

 Cognitive Intercept

0.03

 

0.64

0.02

 

0.63

 Cognitive Slope

0.02

 

0.09

0.01

 

0.08

  1. * p < 0.05, ** p < 0.01, *** p < 0.001. SD = Standard deviation