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Table 3 Socio-demographic characteristics and comorbidity associated with CIND and dementia

From: Prevalence and pattern of cognitive impairment in rural and urban populations from Northern Portugal

Characteristics CIND Dementia
  Main effects model Interaction model Main effects model
  OR 95% CI OR 95% CI OR 95% CI
Age (years) 1.06 1.03-1.09 1.01 0.96-1.07 1.11 1.03-1.18
Residence
   Rural vs. Urban 1.20 0.80-1.79 0.02* 0.01-0.96 1.44 0.57-3.66
Gender
   Women vs. Men 1.42 0.94-2.13 1.41 0.94-2.13 0.80 0.35-1.81
Education (years)
   0-3 vs. 4 or more 1.54* 1.02-2.33 1.54* 1.02-2.33 1.42 0.56-3.59
VRF
   Yes vs. No 1.53* 1.05-2.22 1.53* 1.05-2.22 1.11 0.49-2.49
CVD
   Yes vs. No 4.15 2.48-6.96 4.13 2.46-6.93 9.23 4.16-20.5
Depression
   Yes vs. No 3.13 1.95-5.03 3.16 1.96-5.08 1.30 0.40-4.23
Other disease
   Yes vs. No 5.95 3.96-8.94 6.05 4.02-9.10 3.59 1.61-8.00
Residence * Age    1.07* 1.00-1.13   
  1. OR: odds ratio; VRF: vascular risk factors (include at least one of high blood pressure, cardiac disease, diabetes and dyslipidemia); CVD: cerebrovascular disease; Other disease: include at least one of traumatic brain injury, alcohol abuse, psychiatric or other neurological disease)
  2. * p < 0.05; p < 0.01; p < 0.001