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Table 2 Independent association of ω-6 fatty acids intake and blood cadmium on low cognitive performance

From: Interaction between ω-6 fatty acids intake and blood cadmium on the risk of low cognitive performance in older adults from National Health and Nutrition Examination Survey (NHANES) 2011–2014

Variables Model 1 Model 2 Model 3
OR (95%CI) P OR (95%CI) P OR (95%CI) P
Blood cadmium
  Normal-level Ref   Ref   Ref  
  High-level 2.104 (1.547–2.863) < 0.001 2.006 (1.516–2.653) < 0.001 1.558 (1.144–2.123) 0.006
Total ω-6 fatty acids intake
  Normal-level Ref   Ref   Ref  
  Low-level 1.711(1.195–2.449) 0.005 1.694 (1.177–2.439) 0.006 1.633 (1.094–2.436) 0.018
  1. OR odds ratio, CI confidence interval, Ref reference
  2. Model 1: Univariable logistic regression analysis
  3. Model 2: Multivariate logistic regression analysis with adjustment for age, gender, and BMI;
  4. Model 3: Multivariate logistic regression analysis with adjustment for age, gender, BMI, race, marital status, educational level, annual household income, drinking, work activity, recreational activities, depression, hypertension, diabetes, stroke, CHF, heart attack, TC, GHb, 25(OH)D