Table 3.
Univariate analyses results of the relationship between continuous plasma n-3 and n-6 polyunsaturated fatty acids and depression in American adults: NHANES, 2011–2012.
| PUFA, μmol/L, [mean(SE)] | Total | Without depression | Depression | t | p value |
|---|---|---|---|---|---|
| LA(18:2n-6) | 3848.96(48.05) | 3837.00(48.93) | 3999.65(112.63) | 1.42 | 0.17 |
| GLA(18:3n-6) | 64.67(1.46) | 64.09(1.38) | 72.00(3.31) | 3.28 | 0.004* |
| ALA(18:3n-3) | 93.42(2.02) | 93.09(1.98) | 97.64(4.25) | 1.41 | 0.18 |
| SDA(C18:4n-3) | 4.26(0.16) | 4.19(0.16) | 5.11(0.56) | 1.99 | 0.06 |
| DGLA(20:3n-6) | 167.35(2.85) | 166.10(2.95) | 184.48(7.61) | 2.30 | 0.03* |
| EDA(20:2n-6) | 23.92(0.47) | 23.77(0.44) | 25.91(1.34) | 2.46 | 0.03* |
| AA(20:4n-6) | 891.57(10.22) | 888.89(9.83) | 925.38(22.32) | 1.96 | 0.07 |
| EPA(20:5n-3) | 70.96(1.99) | 71.83(2.03) | 59.95(4.01) | −2.21 | 0.04* |
| DTA(22:4n-6) | 27.36(0.58) | 27.08(0.54) | 31.05(1.35) | 4.90 | < 0.001* |
| DHA(22:6n-3) | 162.61(4.74) | 162.61(4.74) | 146.53(5.40) | −3.07 | 0.007* |
| DPA6(22:5n-6) | 20.78(0.43) | 20.56(0.41) | 23.57(0.95) | 4.95 | < 0.001* |
| DPA3 (22:5n-3) | 53.69(0.78) | 53.44(0.76) | 56.92(1.82) | 2.33 | 0.03* |
| Total n-3 | 386.21(6.28) | 387.54(6.60) | 369.43(11.55) | −1.21 | 0.24 |
| Total n-6 | 5049.47(64.66) | 5033.69(66.24) | 5268.74(142.14) | 1.60 | 0.13 |
| n-6/n-3 ratio | 14.49(0.31) | 14.46(0.32) | 14.95(0.32) | 1.49 | 0.15 |
| AA/EPA | 18.05(0.50) | 17.90(0.46) | 19.92(1.41) | 1.87 | 0.08 |
| AA/DHA | 6.33(0.16) | 6.29(0.16) | 6.86(0.20) | 3.33 | 0.004* |
*p < 0.05.