Study population (adults) characteristics for the six different NHANES cycles from 2003 to 2014
| Cycle | NHANES 2003–2004 | NHANES 2005–2006 | NHANES 2007–2008 | NHANES 2009–2010 | NHANES 2011–2012 | NHANES 2013–2014 | ||||||
| Characteristic | N | Mean (SD) | N | Mean (SD) | N | Mean (SD) | N | Mean (SD) | N | Mean (SD) | N | Mean (SD) |
| Age | 1665 | 46.8 (20.7) | 1652 | 44.8 (19.8) | 1914 | 48.74 (18.6) | 2022 | 47.18 (18.7) | 1800 | 46.65 (18.5) | 1936 | 47.62 (18.6) |
| Sex | ||||||||||||
| Female | 864 | 51.9% | 849 | 51.4% | 974 | 50.9% | 1001 | 49.5% | 882 | 49.0% | 1026 | 53.0% |
| Male | 801 | 48.1% | 803 | 48.6% | 940 | 49.1% | 1021 | 50.5% | 918 | 51.0% | 910 | 47.0% |
| Race/ethnicity | ||||||||||||
| Mexican American | 351 | 21.1% | 330 | 20.0 | 351 | 18.3% | 367 | 18.1% | 170 | 9.5% | 258 | 13.3% |
| Other Hispanic | 61 | 3.7% | 51 | 3.1 | 204 | 10.7% | 198 | 9.8% | 186 | 10.3% | 177 | 9.1% |
| Non-Hispanic white | 844 | 50.7% | 792 | 47.9 | 888 | 46.4% | 970 | 48.0% | 645 | 35.8% | 797 | 41.2% |
| Non-Hispanic black | 333 | 20.0% | 410 | 24.8 | 400 | 20.9% | 370 | 18.3% | 470 | 26.1% | 418 | 21.6% |
| Other | 76 | 4.5% | 69 | 4.2 | 71 | 3.7% | 117 | 5.8% | 329 | 18.3% | 286 | 14.8% |
| Education | ||||||||||||
| <9th grade | 215 | 14.5% | 165 | 11.1% | 237 | 13.1% | 239 | 12.5% | 169 | 9.9% | 144 | 8.0% |
| 9-11th grade | 219 | 14.7% | 226 | 15.2% | 302 | 16.6% | 307 | 16.1% | 234 | 13.8% | 287 | 15.8% |
| High school or GED | 362 | 24.4% | 365 | 24.5% | 468 | 25.8% | 459 | 24.0% | 336 | 19.7% | 408 | 22.5% |
| Some college | 397 | 26.7% | 428 | 28.8% | 464 | 25.6% | 508 | 26.6% | 518 | 30.4% | 534 | 29.4% |
| College graduate or above | 292 | 19.7% | 304 | 20.4% | 343 | 18.9% | 397 | 20.8% | 446 | 26.2% | 440 | 24.3% |
| Smoking (serum cotinine (ng/mL)) | 1581 | 56.4 (133.6) | 1561 | 60.1 (129.4) | 1811 | 64.0 (137.8) | 1925 | 58.3 (123.6) | 1694 | 49.7 (122.3) | 1870 | 57.6 (127.0) |
| Vigorous activity over past 30 days | ||||||||||||
| Yes | 489 | 29.4% | 600 | 36.3% | 403 | 21.1% | 407 | 20.1% | 435 | 24.2% | 437 | 22.6% |
| No | 1176 | 70.6% | 1052 | 63.7% | 1511 | 78.9% | 1615 | 79.9% | 1365 | 75.8% | 1499 | 77.4% |
| Caloric intake (kcal) | 1584 | 2199.5 (1021.0) | 1591 | 2194.5 (1009.5) | 1824 | 2064.0 (1057.9) | 1934 | 2125.7 (994.3) | 1642 | 2169.0 (1026.8) | 1766 | 2121.5 (1068.2) |
| Now taking statins | ||||||||||||
| Yes | 212 | 12.7% | 212 | 12.8% | 342 | 17.9% | 350 | 17.3% | 330 | 18.3% | 372 | 19.2% |
| No | 1453 | 87.3% | 1440 | 87.2% | 1572 | 82.1% | 1672 | 82.7% | 1470 | 81.7% | 1564 | 80.8% |
| Urinary BPA (ng/mL) | 1665 | 4.69 (6.72) | 1652 | 4.03 (12.70) | 1914 | 3.67 (6.73) | 2022 | 4.89 (30.01) | 1800 | 3.10 (7.76) | 1936 | 2.97 (18.94) |
| Urinary creatinine (µmol/L) | 1664 | 11 953.7 (7527.5) | 1652 | 134.38 (81.11) | 1914 | 124.72 (78.07) | 2022 | 111 263.0 (7039.9) | 1799 | 10 694.6 (7209.9) | 1934 | 11 451.0 (7389.3) |
| LDL-C (mmol/L) | 733 | 2.98 (0.94) | 732 | 2.88 (0.96) | 862 | 2.89 (0.86) | 920 | 2.91 (0.87) | 808 | 2.95 (0.90) | 920 | 2.84 (0.93) |
| HDL-C (mmol/L) | 1583 | 1.41 (0.43) | 1561 | 1.43 (0.43) | 1811 | 1.34 (0.41) | 1922 | 1.35 (0.41) | 1687 | 1.36 (0.38) | 1868 | 1.36 (0.41) |
| TC (mmol/L) | 1572 | 5.19 (1.15) | 1554 | 5.09 (1.15) | 1803 | 5.06 (1.07) | 1919 | 4.95 (1.06) | 1681 | 4.89 (1.05) | 1863 | 4.89 (1.06) |
| TG (mmol/L) | 752 | 1.67 (1.38) | 749 | 1.59 (1.39) | 875 | 1.49 (1.19) | 937 | 1.47 (1.17) | 823 | 1.39 (1.08) | 930 | 1.32 (0.90) |
| Apolipoprotein B (mg/dL) | NA | NA | 752 | 99.5 (29.3) | 874 | 91.2 (24.0) | 937 | 90.1 (24.1) | 823 | 88.6 (24.6) | 930 | 89.3 (25.8) |
ApoB, apolipoprotein B; BPA, bisphenol A;GED, general educational development; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol;NHANES, National Health and Nutrition Examination Survey; TC, total cholesterol; TG, triglycerides.