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Table 2 Association between mental demands at work and cognitive functioning: Index executive

From: Association of mental demands in the workplace with cognitive function in older adults at increased risk for dementia

 

Model 1

Model 2

Model 3

 

Coeff.

95% CI

p

Coeff.

95% CI

p

Coeff.

95% CI

p

Constant

21.74

20.66; 22.82

 

22.45

21.17; 23.74

 

21.08

18.41; 23.75

 

Index executive

.24

−.03; .50

.084

.20

−.07; .46

.149

.37

−.02; .75

.062

Age 60–65

Ref.

  

Ref.

  

Ref.

  

Age 66–70

−.32

−.76; .13

.164

−.30

−.74; .15

.195

−.14

−.60; .33

.563

Age 71–77

−.98

−1.42; −.55

<.001

−.99

− 1.43; −.56

<.001

−.80

− 1.27; −.34

.001

Female gender (ref.: male)

1.05

.69; 1.41

<.001

.95

.57; 1.32

<.001

1.52

−.06; 3.10

.060

Education low

Ref.

  

Ref.

  

Ref.

  

Education medium

.95

.51; 1.39

<.001

.97

.53; 1.42

<.001

.97

.53; 1.41

<.001

Education high

2.26

1.71; 2.81

<.001

2.18

1.63; 2.74

<.001

2.14

1.59; 2.69

<.001

Partnership (ref.: single)

   

−.13

−.52; .25

.503

−.11

−.50; .27

.560

Diabetes mellitus

   

−.20

−.58; .17

.294

−.18

−.56; .20

.338

Stroke

   

−.51

−1.37; .35

.245

−.55

−1.41; .31

.209

Myocardial infarction

   

.21

−.57; .99

.604

.14

−.64; .92

.720

Arterial hypertension

   

−.24

−.78; .29

.370

−.23

−.76; .30

.402

Obesity

   

.07

−.31; .45

.720

.10

−.28; .48

.621

Total cholesterol > 6.5 mmol/l

   

.38

.01; .76

.049

.37

−.01; .74

.058

Physical activity

   

−.19

−.61; .22

.360

−.19

−.61; .22

.364

Depressive symptoms

   

−.16

−.25; −.06

.001

−.15

−.24; −.06

.001

Employed (ref.: retired)

      

1.74

−.15; 3.63

.071

Employed*Index executive

      

−.39

−.98; .19

.188

Gender (female) *index executive

      

−.18

−.68; .32

.486

AIC

4.868101

  

4.863692

  

4.862841

  
  1. AIC: Akaike Information Criterion; CI: confidence interval; Coeff.: coefficient; education assessed according to CASMIN (Comparative Analysis of Social Mobility in Industrial Nations) classification categories low, middle, and high; depressive symptoms assessed using the Geriatric Depression Scale; physical activity: ≥ 2 times per week, ≥ 30 min; diabetes mellitus, stroke, myocardial infarction, arterial hypertension, obesity, total cholesterol as reported by attending GP; significant associations presented in bold type