Table 4 Weighted odds ratios (95% confidence intervals) for score on Digit Symbol Substitution test across tertiles of dietary ω-3 and ω-6 fatty acids intake and ω-6: ω-3 ratio, NHANES 2011–2014 (N = 2496)
Case/Participants | Crude1 | Model 11 | Model 21 | |
|---|---|---|---|---|
ω-3 (mg/kcal/day) | ||||
<0.727 | 243/832 | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) |
0.727 to <1.04 | 232/832 | 0.88(0.61–1.24) | 0.86(0.60–1.21) | 0.93(0.57–1.51) |
≥ 1.04 | 171/832 | 0.63(0.43–0.91) * | 0.62(0.42–0.88) * | 0.59(0.37–0.92) * |
ω-6 (mg/kcal/day) | ||||
<6.538 | 254/832 | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) |
6.538 to <8.848 | 235/832 | 0.76(0.56–1.01) | 0.76(0.57–1.02) | 0.78(0.51–1.18) |
≥ 8.848 | 157/832 | 0.47(0.32–0.68) ** | 0.49(0.33–0.71) ** | 0.50(0.34–0.75) ** |
ω-6: ω-3 ratio | ||||
<7.684 | 223/832 | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) |
7.684 to <9.462 | 228/832 | 1.05(0.73–1.51) | 1.06(0.74–1.52) | 1.01(0.66–1.57) |
≥ 9.462 | 195/832 | 0.71(0.53–0.93) * | 0.74(0.55–0.99) * | 0.86(0.54–1.36) |