Table 4.
Adjusted regression coefficients (S.E.) for differences in omega-3 fatty acid relative to a one-unit increase in log10-transformed bis-(1-chloro-2-propyl) phosphate (BCPP), 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 | −4.44 (2.28) | 0.06 | 1,148/ 51,175,298 | 2.8 (4.57) | 0.545 | 1,338 (57068532) | −5.58 (3.31) | 0.102 | 1,127/ 49,353,600 | −0.76 (0.27) | 0.007 | 1,229/ 53,859,774 | −3.02 (1.45) | 0.045 |
| Sex | |||||||||||||||
| Male | 578(25098217) | −0.67(3.81) | 0.862 | 554(24390323) | 0.98(6.17) | 0.874 | 635(26652434) | −7.6(4.33) | 0.089 | 541(23559140) | −0.82(0.34) | 0.021 | 585(25284654) | −3.02(2.64) | 0.261 |
| Female | 632(28361814) | −7.37(4.19) | 0.088 | 584(26784975) | 5.29(6.62) | 0.43 | 703(30416098) | −3.77(3.87) | 0.338 | 586(25794460) | −0.69(0.30) | 0.028 | 644(28575120) | −2.88(1.57) | 0.075 |
| Age (years) | |||||||||||||||
| 20–50 | 628(28793617) | −8.22(2.45) | 0.002 | 585(27142107) | −6.59(6.1) | 0.288 | 688(30622159) | −10.13(5.09) | 0.055 | 557(25985209) | −1.09(0.45) | 0.021 | 636(29055012) | −3.64(1.57) | 0.027 |
| >50 | 582(24672783) | 2.02(4.37) | 0.647 | 563(24033191) | 15.25(8.62) | 0.086 | 650(26446373) | 0.09(6.05) | 0.988 | 570(23368390) | −0.36(0.43) | 0.408 | 593(24804763) | −1.96(2.85) | 0.496 |
| Body mass index (kg/m 2 ) | |||||||||||||||
| <25 | 344(14680564) | 2.06(4.36) | 0.64 | 320(13835737) | 10.92(8.1) | 0.187 | 386(15584032) | −5.06(5.52) | 0.366 | 309(13025788) | −1.1(0.61) | 0.084 | 354(14845303) | 0.06(1.75) | 0.971 |
| 25–30 | 413(19028922) | −7.03(4.07) | 0.094 | 393(18186051) | −6.44(8.75) | 0.467 | 455(20343822) | −10.69(5.25) | 0.05 | 391(17922549) | −0.85(0.41) | 0.043 | 416(19124390) | −5.60(2.60) | 0.039 |
| ≧30 | 446(19611553) | −6.36(6.53) | 0.337 | 428(19008148) | 8.45(0.33) | 0.329 | 497(21140679) | −0.04(6.51) | 0.996 | 427(18405263) | −0.38(0.37) | 0.307 | 452(19744719) | −3.59(2.46) | 0.154 |
| Alcohol consumption (drink/year) | |||||||||||||||
| <12 | 289(10184079) | 4.99(5.78) | 0.395 | 289(10184079) | 7.2(12.68) | 0.574 | 327(11054304) | −4.47(8.37) | 0.597 | 292(9998263) | −0.21(0.34) | 0.545 | 307(10654708) | −0.35(3.17) | 0.913 |
| ≧12 | 862(41115945) | −6.1(2.8) | 0.0362 | 859(40991219) | 2.14(5.26) | 0.688 | 913(42559157) | −7.08(4.07) | 0.091 | 835(39355337) | −0.88(0.30) | 0.006 | 865(41072743) | −3.81(1.69) | 0.031 |
| Income (USD) | |||||||||||||||
| <45,000 | 604(20765108) | −8.72(4.38) | 0.055 | 575(19834326) | 1.57(6.88) | 0.822 | 639(21772125) | −9.47(4.94) | 0.064 | 534(18692240) | −0.77(0.42) | 0.074 | 589(20351227) | −2.98(2) | 0.146 |
| ≧45,000 | 606(32701293) | −2.22(2.93) | 0.455 | 573(31340972) | 2.83(6.72) | 0.676 | 647(33725326) | −3.08(4.74) | 0.52 | 547(29284015) | −0.76(0.41) | 0.072 | 594(32097279) | −3.08(2.16) | 0.163 |
| Ethnicity | |||||||||||||||
| Mexican-American | 150(4404881) | 4.33(6.35) | 0.507 | 139(4046923) | 16.56(11.01) | 0.158 | 171(5006399) | −7.26(9.73) | 0.469 | 139(4149747) | −0.11(0.64) | 0.873 | 157(4702000) | −1.12(3.44) | 0.75 |
| Other Hispanic | 110(2876210) | 13.64(6.36) | 0.049 | 104(2666953) | 17.16(7.63) | 0.041 | 139(3563313) | −1.17(8.45) | 0.892 | 115(2761828) | −0.29(0.39) | 0.472 | 126(3248913) | 2.08(3.02) | 0.502 |
| Non-Hispanic White | 562(38067694) | −6.81(2.84) | 0.023 | 543(36842123) | 4.74(5.90) | 0.428 | 591(39536591) | −6.20(4.44) | 0.173 | 530(35419924) | −1.02(0.35) | 0.007 | 553(37780032) | −3.88(1.77) | 0.036 |
| Non-Hispanic Black | 222(4371286) | −6.93(4.17) | 0.112 | 213(4162272) | −16.31(9.05) | 0.086 | 245(4804034) | −1.5(6.88) | 0.83 | 204(3918381) | 0.06(0.62) | 0.927 | 222(4341893) | −4.27(1.76) | 0.024 |
| Other Race - Including Multi-Racial | 166(3746329) | 4.65(7.59) | 0.546 | 149(3457027) | 4.43(17.91) | 0.807 | 192(4157195) | −3.30(7.95) | 0.682 | 139(3103719) | 0.26(0.51) | 0.612 | 171(3786936) | 0.12(3.72) | 0.976 |