Table 5.
Summary of information concerning partitioning and demographics for each of the National Health and Nutrition Examination Survey (NHANES) 2009–2010 subsamples.
| Category | Subsample A | Subsample B | Subsample C |
|---|---|---|---|
| All | 2,741 | 2,736 | 2,132 |
| Partition 1 | 685 | 684 | 533 |
| Partition 2 | 685 | 684 | 533 |
| Partition 3 | 686 | 684 | 533 |
| Partition 4 | 685 | 684 | 533 |
| Male | 1,359 | 1,392 | 1,026 |
| Female | 1,382 | 1,344 | 1,106 |
| Age 6 to 11 | 363 | 411 | 0 |
| Age 12 to 19 | 436 | 417 | 348 |
| Age 20 to 65 | 1,507 | 1,501 | 1,387 |
| Age 66 or more | 316 | 295 | 282 |
| Tobacco use | 1,653 | 1,596 | 1,504 |
Note: The numbers of subjects listed only reflect those subjects which met the criteria described in “Methods” section. That is, some NHANES 2009–2010 subjects were omitted from consideration because they did not meet age requirements for certain laboratory analyses or because chemical concentration information was incomplete.