Table 3.
Probable familial relationships identified in NHANES III.
| NHANES III | Duplicate/MZ twin | First degree | Second degree | Third degree | ||
|---|---|---|---|---|---|---|
| Parent-offspring | Full-siblings | |||||
| NHW | PLINK | <5 | 1843 | 21 | 36,602 | 182,856 |
| KING | <5 | 5 | 79 | 12,469 | 150,140 | |
| NHB | PLINK | <5 | 391 | 47 | 39,955 | 197,199 |
| KING | <5 | <5 | 131 | 11,004 | 142,412 | |
| MEX | PLINK | <5 | 329 | 97 | 23,697 | 170,430 |
| KING | <5 | 12 | 194 | 7,338 | 130,040 | |
The numbers represent counts of individual pairs such that an individual can be in multiple pairings. Data are counts where possible [CDC data use agreement requires any count(s) <5 to be suppressed for confidentiality concerns]. NHW, non-Hispanic white; NHB, non-Hispanic black; MEX, Mexican American; MZ, monozygotic.