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Table 2 Weighted odds ratios (95% confidence intervals) for score on CERAD test across tertiles of dietary ω-3 and ω-6 fatty acids intake and ω-6: ω-3 ratio, NHANES 2011–2014 (N = 2496)

From: Association of dietary ω-3 and ω-6 fatty acids intake with cognitive performance in older adults: National Health and nutrition examination Survey (NHANES) 2011–2014

 

Case/Participants

Crude1

Model 11

Model 21

ω-3 (mg/kcal/day)

 <0.727

229/832

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

 0.727 to <1.04

233/832

0.66(0.46–0.94) *

0.66(0.46–0.94) *

0.63(0.43–0.91) *

  ≥ 1.04

183/832

0.54(0.38–0.77) **

0.55(0.38–0.78) **

0.58(0.38–0.88) *

ω-6 (mg/kcal/day)

 <6.538

253/832

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

 6.538 to <8.848

217/832

0.55(0.39–0.79) **

0.56(0.39–0.80) **

0.57(0.38–0.86) **

  ≥ 8.848

175/832

0.41(0.27–0.63) **

0.44(0.28–0.67) **

0.48(0.31–0.75) **

ω-6: ω-3 ratio

 <7.684

228/832

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

 7.684 to <9.462

222/832

1.03(0.78–1.35)

1.05(0.80–1.37)

0.93(0.67–1.29)

  ≥ 9.462

195/832

0.89(0.60–1.31)

0.94(0.64–1.38)

1.02(0.65–1.58)

  1. 1Calculated using binary logistic regression
  2. Model 1 adjusted for age and gender
  3. Model 2 adjusted for age and gender, race, educational level, marital status, income, BMI, recreational activity, work activity, drinking status, hypertension, diabetes and stroke
  4. *p < 0.05; **p < 0.01