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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.