Table 1. Weighted Descriptive Statistics of Participants in the National Health and Nutrition Examination Survey, United States, 1988–2010.
| NHANES III, | NHANES III, | NHANES | NHANES | NHANES | NHANES | NHANES | NHANES | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988–1991 | 1991–1994 | 1999–2000 | 2001–2002 | 2003–2004 | 2005–2006 | 2007–2008 | 2009–2010 | |||||||||
| Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | No. | |
| Sample size | 5341 | 6348 | 2844 | 3668 | 3664 | 3749 | 4214 | 4425 | ||||||||
| No. of deaths | 1990 | 1862 | 508 | 445 | 413 | 230 | 162 | 63 | ||||||||
| Normal weight | 2072 | 2149 | 815 | 1067 | 1040 | 1011 | 1082 | 1073 | ||||||||
| Overweight | 1967 | 2301 | 1058 | 1421 | 1344 | 1335 | 1475 | 1510 | ||||||||
| Class I obese | 869 | 1174 | 552 | 697 | 786 | 803 | 928 | 1008 | ||||||||
| Class II/III obese | 433 | 724 | 419 | 483 | 494 | 600 | 729 | 834 | ||||||||
| Demographics | ||||||||||||||||
| Age at survey, years | 51 (17) | 49 (17) | 51 (17) | 50 (16) | 52 (17) | 50 (17) | 51 (15) | 50 (15) | ||||||||
| Birth year | 1938.7 (17) | 1943.3 (17) | 1948.7 (17) | 1952.1 (16) | 1952.3 (17) | 1956.4 (17) | 1957.5 (15) | 1960.2 (15) | ||||||||
| Male | 2737 | 2822 | 1364 | 1787 | 1796 | 1830 | 2081 | 2161 | ||||||||
| Non-Hispanic White | 2654 | 2544 | 1308 | 1951 | 1944 | 1880 | 1967 | 2138 | ||||||||
| Non-Hispanic Black | 1371 | 1850 | 534 | 695 | 709 | 874 | 887 | 832 | ||||||||
| Hispanic | 1161 | 1651 | 913 | 912 | 867 | 843 | 1189 | 1226 | ||||||||
| Other race/ethnicity | 155 | 303 | 89 | 110 | 144 | 152 | 171 | 229 | ||||||||
| U.S. born | 4502 | 5022 | 2073 | 2925 | 2907 | 2941 | 3165 | 3217 | ||||||||
| Socioeconomic factors | ||||||||||||||||
| Income | 26204 | 23440 | 27019 | 29690 | 26274 | 28113 | 25756 | 25780 | ||||||||
| (15518) | (14232) | (18083) | (17634) | (16577) | (15516) | (14896) | (14795) | |||||||||
| Less than high school | 2058 | 2447 | 1065 | 1045 | 1045 | 983 | 1262 | 1206 | ||||||||
| High school | 1632 | 2010 | 641 | 836 | 899 | 889 | 1004 | 1003 | ||||||||
| More than high school | 1651 | 1891 | 1138 | 1787 | 1720 | 1877 | 1948 | 2216 | ||||||||
| Married | 3480 | 3890 | 1753 | 2345 | 2190 | 2238 | 2449 | 2507 | ||||||||
| Partner | 130 | 256 | 120 | 190 | 212 | 283 | 272 | 336 | ||||||||
| Separated | 176 | 264 | 121 | 133 | 99 | 120 | 171 | 167 | ||||||||
| Widowed | 549 | 612 | 252 | 276 | 332 | 281 | 273 | 278 | ||||||||
| Never married | 554 | 759 | 314 | 374 | 438 | 421 | 527 | 574 | ||||||||
| Divorced | 452 | 567 | 284 | 350 | 393 | 406 | 522 | 563 | ||||||||
| Health insurance | 4792 | 5191 | 2289 | 3024 | 2998 | 2990 | 3254 | 3371 | ||||||||
| Health and behavioral factors | ||||||||||||||||
| Current smoker | 1437 | 1546 | 577 | 810 | 823 | 800 | 961 | 978 | ||||||||
| Former smoker | 1570 | 1642 | 802 | 1006 | 1033 | 997 | 1076 | 1131 | ||||||||
| Never smoked | 2334 | 3160 | 1465 | 1852 | 1808 | 1952 | 2177 | 2316 | ||||||||
| Number of chronic illnesses | 1 (0–2)* | 1 (0–2)* | 1 (0–1)* | 1 (0–1)* | 1 (0–2)* | 1 (0–1)* | 1 (0–2)* | 1 (0–2)* | ||||||||
* Denotes median (Interquartile Range)