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Table 4 Generalized linear model analysis on the effect of mental demands at work on cognitive functioning

From: Association between mental demands at work and cognitive functioning in the general population – results of the health study of the Leipzig research center for civilization diseases (LIFE)

  Model 1 Model 2   Model 3
  Trail making test - B Verbal fluency Trail making test - B Verbal fluency   Trail making test - B Verbal fluency
  β p β P β p β p   β p β P
Constant 4.659 0.000 3.077 0.000 4.437 0.000 3.126 0.000  Constant 4.422 0.000 3.130 0.000
Demands (high) −0.186 0.000 0.114 0.000 −0.161 0.000 0.068 0.002  Demands & education (high & high) −0.346 0.000 0.192 0.000
Demands (medium) −0.141 0.000 0.089 0.000 −0.096 0.000 0.047 0.005  Demands & education (high & middle) −0.257 0.000 0.158 0.000
Demands (low) REF   REF   REF   REF    Demands & education (middle & middle OR high & low) −0.160 0.000 0.094 0.000
Age (70–79 years)      0.406 0.000 −0.120 0.000  Demands & education (middle & low) −0.067 0.036 0.048 0.020
Age (60–69 years)      0.292 0.000 −0.098 0.000  Demands & education (low & low) REF   REF  
Age (50–59 years)      0.189 0.000 −0.076 0.000  Age (70–79) 0.406 0.000 −0.121 0.000
Age (40–49 years)      REF   REF    Age (60–69) 0.291 0.000 −0.098 0.000
Female      −0.103 0.000 0.019 0.078  Age (50–59) 0.188 0.000 −0.076 0.000
Male      REF   REF    Age (40–49) REF   REF  
Self-regulation (high)      −0.071 0.089 0.080 0.003  Female −0.101 0.000 0.019 0.078
Self-regulation (medium)      −0.029 0.338 0.016 0.410  Male REF   REF  
Self-regulation (low)      REF   REF    Self-regulation (high) −0.079 0.058 0.081 0.003
Not working      0.167 0.000 −0.028 0.090  Self-regulation (medium) −0.033 0.269 0.014 0.478
Working <15h/week      0.145 0.023 −0.020 0.624  Self-regulation (low) REF   REF  
Working 15-34h/week      0.048 0.107 0.042 0.026  Not working 0.169 0.000 −0.029 0.085
Working 35 + h/week      REF   REF    Working <15h/week 0.144 0.024 −0.020 0.610
Education (high)      −0.194 0.000 0.120 0.000  Working 15-34h/week 0.050 0.093 0.042 0.027
Education (medium)      −0.070 0.001 0.052 0.000  Working 35 + h/week REF   REF  
Education (low)      REF   REF    Stroke (yes) 0.115 0.038 −0.028 0.414
Stroke (yes)      0.112 0.042 −0.028 0.428  Stroke (no) REF   REF  
Stroke (no)      REF   REF    Blood lipids (elevated) −0.015 0.393 −0.006 0.568
Blood lipids (elevated)      −0.015 0.397 −0.006 0.580  Blood lipids (normal) REF   REF  
Blood lipids (normal)      REF   REF    Liver disease (yes) 0.022 0.379 −0.004 0.817
Liver disease (yes)      0.022 0.380 −0.004 0.787 Liver disease (no) REF   REF  
Liver disease (no)      REF   REF    Heart attack (yes) 0.009 0.842 −0.026 0.380
Heart attack (yes)      0.006 0.890 −0.027 0.370  Heart attack (no) REF   REF  
Heart attack (no)      REF   REF    Blood pressure (high) 0.009 0.617 0.000 0.970
Blood pressure (high)      0.009 0.597 0.000 0.984  Blood pressure (normal) REF   REF  
Blood pressure (normal)      REF   REF    Diabetes (yes) 0.019 0.474 −0.027 0.101
Diabetes (yes)      0.018 0.500 −0.026 0.117  Diabetes (no) REF   REF  
Diabetes (no)      REF   REF       
  1. Notes: β - regression coefficient, p - level of significance, REF reference category.