Table 3

Risk of dementia according to the occupational category. Cox model with delayed entry. PAQUID 1988–97

DementiaModel 13-151Model 23-151Model 33-151Model 43-151
RR95% CIRR95% CIRR95% CIRR95% CI
Occupational category:
 Professionals/managerials and other employees1111
 Farmers1.673-160 1.23––1.721.230.88–1.721.080.75–1.56
 Domestic service employees1.160.77–1.740.860.56–1.320.860.56–1.320.790.51–1.23
 Blue collar workers1.513-150 1.10––1.661.190.85–1.671.150.82–1.61
Log likelihood ratio statistics3-152 p=0.016p=0.538p=0.541p=0.602
  • 3-151 Model 1=sex, interaction age-sex; model 2=sex, interaction age-sex, education; model 3=sex, interaction age-sex, education, tobacco and wine consumption; model 4=sex, interaction age-sex, education, tobacco and wine consumption, income, vascular factors.

  • 3-152 Testing the global effect of occupation.

  • 3-150 p<0.05,

  • 3-160 p<0.01.