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Table 5 Generalized linear model analysis on the effect of mental demands at work on cognitive functioning, including intelligence as covariate

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 3
  Trail making Test - B Verbal fluency
  β p β P
Constant 4.473 0.000 3.070 0.000
Demands & education (high & high) −0.189 0.000 0.135 0.000
Demands & education (high & middle) −0.124 0.001 0.092 0.000
Demands & education (middle & middle OR high & low) −0.072 0.052 0.062 0.018
Demands & education (middle & low) −0.046 0.202 0.035 0.167
Demands & education (low & low) REF   REF  
Age (70–79) 0.312 0.000 −0.113 0.000
Age (60–69) 0.286 0.000 −0.101 0.000
Age (50–59) 0.170 0.000 −0.063 0.000
Age (40–49) REF   REF  
Female −0.104 0.000 0.030 0.015
Male REF   REF  
Self-regulation (high) −0.053 0.235 0.057 0.071
Self-regulation (medium) −0.004 0.916 −0.005 0.833
Self-regulation (low) REF   REF  
Not working 0.076 0.003 0.002 0.928
Working <15h/week −0.086 0.235 −0.045 0.365
Working 15-34h/week −0.031 0.277 0.044 0.031
Working 35+h/week REF   REF  
Intelligence (high) −0.296 0.000 0.220 0.000
Intelligence (middle) −0.187 0.000 0.119 0.000
Intelligence (low) REF   REF  
Stroke (yes) −0.038 0.572 0.020 0.662
Stroke (no) REF   REF  
Blood lipids (elevated) 0.008 0.671 −0.021 0.106
Blood lipids (normal) REF   REF  
Liver disease (yes) 0.037 0.180 −0.001 0.974
Liver disease (no) REF   REF  
Heart attack (yes) −0.048 0.420 0.029 0.493
Heart attack (no) REF   REF  
Blood pressure (high) 0.012 0.541 −0.003 0.850
Blood pressure (normal) REF   REF  
Diabetes (yes) 0.033 0.272 −0.038 0.076
Diabetes (no) REF   REF  
  1. Notes: β - regression coefficient, p - level of significance, REF - reference category.