Table 6.
Adjusted regression coefficients (S.E.) for differences in omega-3 fatty acids relative to a one-unit increase in log10-transformed dibutyl phosphate (DBUP), with results weighted for sampling strategy.
| Eicosapentaenoic acid (μmol/L) | Docosahexaenoic acid (μmol/L) | Alpha-linolenic acid (μmol/L) | Stearidonic acid (μmol/L) | Docosapentaenoic acid (μmol/L) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unweighted no./Population size | Regression coefficient (S.E.) | P | Unweighted no./Population size | Regression coefficient (S.E.) | P | Unweighted no./Population size | Regression coefficient (S.E.) | P | Unweighted no./Population size | Regression coefficient (S.E.) | P | Unweighted no./Population size | Regression coefficient (S.E.) | P | |
| Overall | 1,210/ 53,466,400 | −8.07 (4.16) | 0.061 | 1,148/ 51,175,298 | −9.32 (6.1) | 0.137 | 1,338 (57068532) | −9.67 (4.52) | 0.04 | 1,127/ 49,353,600 | −0.78 (0.43) | 0.078 | 1,229/ 53,859,774 | −4.35 (1.39) | 0.004 |
| Sex | |||||||||||||||
| Male | 578(25098217) | −8.81(5.05) | 0.091 | 554(24390323) | −17.40(8.01) | 0.037 | 635(26652434) | −9.88(6.39) | 0.132 | 541(23559140) | −1.13(0.76) | 0,147 | 585(25284654) | −5.18(1.91) | 0.011 |
| Female | 632(28368184) | −6.38(5.99) | 0.295 | 594(26784975) | −0.24(9.05) | 0.979 | 703(30416098) | −9.38(5.38) | 0.091 | 586(25794460) | −0.43(0.44) | 0.332 | 644(28575120) | −3.41(1.41) | 0.021 |
| Age (years) | |||||||||||||||
| 20–50 | 628(28793617) | −7.35(5.49) | 0.19 | 585(247142107) | −15.95(7.90) | 0.052 | 688(3.0622159) | −4.93(6.42) | 0.448 | 557(25985209) | −0.41(0.7) | 0.564 | 636(29055012) | −1.62(2.26) | 0.479 |
| >50 | 582(24672783) | −6.75(6.43) | 0.301 | 563(24033191) | −0.63(9.71) | 0.949 | 650(26446373) | −14.69(6.17) | 0.023 | 570(23368390) | −1.14(0.36) | 0.004 | 593(24804763) | −6.8(1.81) | 0.001 |
| Body mass index (kg/m 2 ) | |||||||||||||||
| <25 | 344(14680564) | −0.18(8.12) | 0.983 | 320(13835737) | 1.82(11.01) | 0.87 | 386(15584032) | 0.34(9.2) | 0.971 | 309(13025788) | 0.51(1.17) | 0.666 | 354(14845303) | 0.56(2.94) | 0.849 |
| 25–30 | 413(19028922) | −15.97(6.99) | 0.029 | 393(18186051) | −32.72(11.08) | 0.006 | 455(20343822) | −10.68(6.04) | 0.086 | 391(17922549) | −0.86(0.53) | 0.112 | 416(19124390) | −6.12(3.08) | 0.056 |
| ≧30 | 446(19611553) | −8.71(4.11) | 0.042 | 428(19008148) | 3.93(8.44) | 0.644 | 497(21140679) | −15.81(9.72) | 0.114 | 427(18405263) | −1.55(0.7) | 0.033 | 452(19744719) | −6.16(2.01) | 0.004 |
| Alcohol consumption (drink/year) | |||||||||||||||
| <12 | 289(10184079) | 0.73(7.34) | 0.921 | 289(10184079) | −3.56(14.96) | 0.814 | 327(11054304) | −15.38(7.96) | 0.063 | 292(9998263) | - 0.63(0.37) | 0.096 | 307(10654708) | −4.29(2.48) | 0.093 |
| ≧12 | 862(41115945) | −10.00(5.17) | 0.062 | 859(40991219) | −10.49(8.03) | 0.201 | 913(42559157) | −10.86(6.02) | 0.081 | 835(39355336) | −0.84(0.55) | 0.133 | 865(41072743) | −5.11(1.90) | 0.011 |
| Income (USD) | |||||||||||||||
| <45,000 | 604(20765108) | −3.30(5.71) | 0.567 | 575(19834326) | −4.25(8.61) | 0.625 | 639(21772125) | −23.41(7.14) | 0.003 | 534(18692240) | −1.73(0.89) | 0.06 | 589(20351227) | −4.55(2.36) | 0.062 |
| ≧45,000 | 606(32701293) | −11.02(6.21) | 0.085 | 573(31340972) | −12.97(9.73) | 0.192 | 647(33725326) | −0.55(6.18) | 0.929 | 547(29284015) | −0.12(0.54) | 0.831 | 594(32097279) | −3.87(2.4) | 0.117 |
| Ethnicity | |||||||||||||||
| Mexican-American | 150(4404881) | 3.69(5.61) | 0.522 | 139(4046923) | −17.89(6.12) | 0.013 | 171(5006399) | −12.01(11.95) | 0.333 | 139(4149747) | −0.19(0.60) | 0.754 | 157(4702000) | −2.86(3.32) | 0.404 |
| Other Hispanic | 110(2876210) | 14.27(7.94) | 0.094 | 104(2666953) | 3.87(14.77) | 0.797 | 139(3563313) | −5.31(6.57) | 0.431 | 115(2761828) | −0.73(0.57) | 0.22 | 126(3248913) | 4.94(4.75) | 0.315 |
| Non-Hispanic White | 562(38067694) | −10.60(4.68) | 0.031 | 543(36842123) | −9.73(8.25) | 0.247 | 591(39536591) | −10.47(5.78) | 0.08 | 530(35419924) | −0.88(0.58) | 0.143 | 553(37780032) | −5.5(1.80) | 0.005 |
| Non-Hispanic Black | 222(4371286) | −11.07(6.08) | 0.083 | 213(4162272) | −10.43(12.02) | 0.395 | 245(4805034) | −9.44(5.55) | 0.103 | 204(3918381) | −0.67(0.28) | 0.029 | 222(4341893) | −4.64(2.41) | 0.068 |
| Other Race - Including Multi-Racial | 166(3746329) | −4.87(11.09) | 0.665 | 149(3457027) | 0.49(13.78) | 0.972 | 192(4157195) | −4.37(10.58) | 0.683 | 139(3103719) | −0.21(0.58) | 0.721 | 171(3786936) | −2.40(3.90) | 0.544 |