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Table 1 Characteristics of groups with a low vs. high level of SCC

From: Are subjective cognitive complaints related to memory functioning in the working population?

Measure (scale)

Low SCC

High SCC

t-test

Pearsons chi2

 

N

% within low SCC

Mean

SD

n

% within high SCC

Mean

SD

tsign. level

Chi2 sign. level

N

114

100

  

112

100

    

Sex:

         

.53

Male

26

22.8

  

27

24.1

    

Female

88

77.2

  

85

75.9

    

Age

114

 

48.66

10.08

112

 

48.69

10.66

-.02

 

Education:

         

1.98

Upper secondary or lower

37

32.5

  

40

35.7

    

Univ.studies < 2 years

9

7.9

  

14

12.5

    

Univ. studies ≥ 2 years

68

59.6

  

58

51.8

    

Yearly income (1000’s SKR)

114

 

389.79

190.94

112

 

334.82

153.99

2.38*

 

SCC (1-5)

114

 

1.56

.39

112

 

3.72

.47

-37.80***

 

Emotional exhaustion index (1-6)

114

 

1.66

0.79

111

 

3.56

1.34

-12.89***

 

Depressive symptoms index (1-5)

114

 

1.49

0.56

111

 

3.16

1.04

-14.98***

 

Disturbed sleep, prevalence

8

7

  

59

52.7

   

60.50***

Awakening problems, prevalence

20

17.5

  

57

50.9

   

29.76***

CVD, prevalence

3

2.6

  

6

5.4

   

1.10

Diabetes, prevalence

3

2.6

  

4

3.6

   

.17

Non-specific psych. illness, prevalence

1

0.9

  

15

13.4

   

13.76***

SMBQ

114

 

2.33

0.94

112

 

4.50

1.33

-14.12***

 

Mental fatigue/cognitive subscale

113

 

2.04

0.91

112

 

4.50

1.40

-15.69***

 

Depressive symptoms index

114

 

1.55

0.64

112

 

3.40

0.71

-12.51***

 

MDI score

114

 

4.78

4.59

112

 

16.71

10.55

-10.99***

 

Mild, prevalence

1

0.9

  

14

12.5

    

Moderate, prevalence

1

0.9

  

14

12.5

    

Severe, prevalence

0

0

  

14

12.5∙

    
  1. SKR = Swedish crowns; SMBQ = Shirom Melamed burnout questionnaire; MDI = major depression inventory.
  2. Collected at the laboratory test occasion.
  3. *p < 0.05 **p < 0.01 ***p < 0.001.