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Table 3 Multivariate logistic regression analyses of risk variables for association with cognitive impairment-stratified by age

From: The impact of heavy alcohol consumption on cognitive impairment in young old and middle old persons

Variables Cognitive impairment
60–69 y 70+ y
aOR (95% CI) aOR (95% CI)
Alcohol consumption (Ref = Drinkers)  
 Non-drinkers 1.500 (0.734–3.065) 0.865 (0.505–1.480)
 Heavy drinkers 0.280 (0.095–0.826) 2.929 (0.624–13.74)
Demographic   
 Gender (Ref = Female)   
  Male 2.696 (1.537–4.730) 1.733 (1.132–2.654)
 Race (Ref = Non-Hispanic white)   
  Others (including multi-racial) 1.019 (0.371–2.799) 0.888 (0.432–1.823)
  Other Hispanic 4.604 (1.395–15.19) 4.941 (1.997–12.22)
  Mexican American 4.678 (2.112–10.35) 2.447 (1.209–4.951)
  Non-Hispanic black 8.041 (4.436–14.57) 5.180 (3.117–8.610)
 Education (Ref = College or above)   
  Under 12th grade 16.91 (8.669–33.00) 3.279 (2.046–5.254)
  High school graduate 5.132 (2.587–10.18) 1.399 (0.973–2.010)
 Marital status (Ref = Married/ Living with partner)  
  Widowed/Divorced/Separated 0.920 (0.513–1.652) 1.379 (0.889–2.139)
  Never married 2.644 (0.922–7.584) 1.063 (0.255–4.435)
 Income ratio (Ref = 4–5 (richest))   
  < 1 (Below poverty level) 2.782 (1.177–6.579) 2.329 (1.031–5.257)
  1–1.99 2.960 (1.302–6.728) 1.940 (1.136–3.312)
  2–3.99 0.846 (0.339–2.111) 1.242 (0.690–2.237)
Lifestyle   
 Smoking (Ref = Non-smoker)   
  Current smoker 0.890 (0.440–1.800) 0.724 (0.313–1.675)
  Former smoker 1.049 (0.579–1.900) 0.814 (0.546–1.215)
 Physical activity (Ref = Active)   
  Inactive 1.102 (0.629–1.930) 1.674 (1.091–2.569)
 BMI (Ref = Normal)   
  Underweight 22.56 (4.054–125.5) 1.493 (0.450–4.951)
  Overweight 0.542 (0.241–1.218) 0.548 (0.365–0.823)
  Obese 0.499 (0.269–0.925) 0.496 (0.264–0.932)
 Attend social events (Ref = No difficulty)  
  Difficulty 2.256 (0.600–8.482) 2.817 (1.547–5.132)
 Comorbidities (Ref = Without)   
  Diabetes mellitus 0.930 (0.496–1.745) 1.502 (0.937–2.408)
  Hypertension 1.923 (1.155–3.202) 1.707 (1.160–2.513)
  Stroke 4.823 (1.527–15.23) 1.285 (0.707–2.334)
  CKD 3.121 (1.337–7.287) 1.835 (1.052–3.202)
  1. Ref: reference; BMI: Body Mass Index; CKD: Chronic Kidney Disease