Are changes in self-rated health associated with memory decline in older adults? Bendayan, R., Piccinin, A. M., Hofer, S. M., & Muniz-Terrera, G



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Variances














Intercept

1.06***




1.69***




Slope

.009***




.01***




Residual

1.40***




2.09***




Fit statistics for linear models

-2LL

96849.2




107899.4




BIC

96884



107934.2





***p<.001**p<.01 *p<.05

Supplemental Table1.

ELSA sample descriptive statistics and means (M) and standard deviations (SD) for immediate and delayed recall for each group of SRH change from baseline to 8 years follow-up. Percentages for categorical variables are provided.




Total

EVGG

FP

IMP

DECL

FLUCT




N

734


345

(47%)


90

(12.3%)


44

(6%)


133

(18.1%)


122

(16.6%)





Sex (Female)

42.5%

46.7%


30%

43.2%

41.4%

41%

χ2 (4)=8.40; p=.07

Education



















χ2 (8)=25.99; p<.001

Less 10 years

45.1%

36.4%

61.1%

47.6%

50%

50.4%




10-13 years

45.7%

49.4%

37.8%

47.6%

44.6%

41.9%




+14 years

9.1%

14.2%

1.1%

4.8%

5.4%

6.8%




Baseline age

70.32

(4.08)


70.14

(4.15)


69.91

(3.96)


69.70

(3.31)


71.11

(4.02)


70.51

(4.22)


K-W(4)=8.33; p=.08

Immediate recall




















Baseline

5.27

(1.64)


5.42

(1.57)


4.95

(1.84)


5.20

(1.78)


5.26

(1.62)


5.10

(1.63)


K-W(4)=8.60; p=.07

2 years follow-up

5.36

(1.60)


5.52

(1.64)


4.85

(1.54)


5.15

(1.64)


5.46

(1.58)


5.23

(1.44)

K-W(4)= 18.40; p<.001


4 years follow-up

5.30

(1.56)


5.48

(1.62)


4.97

(1.31)


5.11

(2.02)


5.12

(1.33)


5.28

(1.56)


K-W(4)= 15.22; p=.004

6 years follow-up

5.01

(1.65)


5.26

(1.60)


4.54

(1.57)


5.15

(1.76)


4.83

(4.82)


4.82

(1.52)


K-W(4)= 20.21; p<.001

8 years follow-up

4.78

(1.89)


5.09

(1.79)


4.03

(2.16)


4.63

(1.75)


4.47

(1.92)


4.83

(1.77)


K-W(4)= 26.71; p<.001

Delayed recall






















Baseline

3.82

(1.89)


3.99

(1.77)


3.55

(2.11)


3.50

(2.02)


3.83

(1.89)

3.63

(1.97)


K-W(4)= 7.33; p=.11

2 years follow-up

3.91

(1.84)


4.12

(1.86)


3.35

(1.61)


3.79

(1.87)


3.76

(1.96)


3.95

(1.75)


K-W(4)= 14.67; p=.005

4 years follow-up

3.94

(1.92)


4.15

(1.85)


3.77

(1.93)


3.88

(2.08)


3.64

(1.95)

3.82

(1.99)


K-W(4)= 8.595; p=.07

6 years follow-up

3.63

(2.01)


3.91

(1.97)


3.14

(1.83)


3.77

(2.06)


3.42

(2.14)


3.40

(1.99)


K-W(4)= 14.40; p=.006

8 years follow-up

3.25

(2.13)


3.69

(2.12)


2.46

(2.11)


3.11

(2.12)


2.73

(2.01)


3.19

(2.02)

K-W(4)=32.021; p<.001

Supplemental online Table 2.



Immediate and delayed recall models adjusted for baseline age, sex and education, for ELSA.




Immediate recall




Delayed recall







Estimate (SE)

CI

Estimate (SE)

CI

Intercept

5.17(.12)***

4.92,5.42

3.78 (.15)***

3.48, 4.08

Time

.02(.02)

-.02,.06

.03 (.02)

-.009,.07

Age_baseline

-.04(.01)**


-.06,-.01

-.06 (.01)***

-.09,-.03

Female

.12(.10)

-.07,.32

.27 (.12)*

.03,.51

Education (ref 9 years or less)













10-13

.66(.10) ***

.45,.86

.67 (.21)***

.42,.92

14+

1.14(.18) ***

.79,1.50

1.16 (.21)***

.73,1.59

SRH(ref EVGG)











SRH_FP

-.22(.15)

-.53,.08

-.19 (.19)

-.56,.18

SRH_IMP

-.20(.21)

-.62,.21

-.38 (.25)

-.89,.12

SRH_DECL

.10(.13)

-.16,.37

.06 (.16)

-.25,.38

SRH_FLUCT

-.12(.14)

-.40,.15

-.03 (.17)

-.37,.29

Slope












Age_baseline


-.008 (.002)***

-.01,-.004

-.009 (.002)***

-.01,-.005

Female

.01 (.01)

-.02,.04

-.02 (.01)

-.06,.007

Education (ref 9 years or less)













10-13

-.02 (.01)

-.05,.01

-.005 (.01)

-.04,.03

14+

-.07 (.03)**

-.13,-.01

-.01 (.03)

-.07,.04

SRH(ref EVGG)













SRH_FP

-.07 (.02)**

-.12,-.02

-.08 (.02) **

-.13,-.02

SRH_IMP

-.03 (.03)

-.10,.04

-.003 (.03)

-.07,.07

SRH_DECL

-.06 (.02)**

-.11,-.01

-.08 (.02) ***

-.13,.03

SRH_FLUCT

-.01 (.02)

-.05,.03

-.03 (.02)

-.08,.01

Variances











Intercept

.67***




1.28***




Slope

.007**




.003




Residual

1.67***




1.91***




Fit statistics













-2LL

12693.8




13364.9




BIC

12720.1




13391.1





***p
<.001**p<.01 *p<.05




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