Table 2.
Demographics of Genetic National Health and Nutrition Examination Surveys (NHANES).
| NHANES III | NHANES 1999–2002 | |||
|---|---|---|---|---|
| Participants | SNPs | Participants | SNPs | |
| N, by subgroup | ||||
| NHW | 2,631 | 721 | 4,003 | 364 |
| NHB | 2,108 | 691 | 1,350 | 367 |
| MEX | 2,073 | 784 | 1,877 | 380 |
| % female, total | 56.67 | 51.79 | ||
| % female | ||||
| NHW | 60.00 | 51.14 | ||
| NHB | 57.45 | 52.44 | ||
| MEX | 50.60 | 51.73 | ||
| Median age in years (range), total | 38.00 (12–90) | 47.00 (20–85) | ||
| Median age (range) | ||||
| NHW | (12–90) | (20–85) | ||
| NHB | (12–90) | (20–85) | ||
| MEX | (12–90) | (20–85) | ||
| Median household size (range), total | 2.00 (1–10) | 2.00 (1–7) | ||
| Median household size (range) | ||||
| NHW | 2.00 (1–8) | 2.00 (1–7) | ||
| NHB | 3.00 (1–10) | 3.00 (1–7) | ||
| MEX | 4.00 (1–10) | 4.00 (1–7) | ||
Data shown are participants from the National Health and Nutrition Examination Survey (NHANES) III and NHANES 1999–2002 and SNPs used for cryptic relatedness analysis. Data are counts unless otherwise specified. The number of SNPs shown in the table represents the SNPs available after removing SNPs out of Hardy–Weinberg Equilibrium and LD pruning. SNPs, single nucleotide polymorphisms; NHW, non-Hispanic white; NHB, non-Hispanic black; MEX, Mexican American.