Table 1. Overview of the Datasets Used in the Analysis.
| Characteristic | Copenhagen Adoption Study of Obesity (CASO) | Survey of Holt Adoptees and Their Families (HOLT) |
| Dates of Study | 1924–1947 | 2004–2006 |
| Adiposity Indicator | Body mass index (BMI) | Body mass index (BMI) |
| Socioeconomic Status (SES) Measures | Occupational prestige scores | Income and education |
| Country | Denmark | USA |
| Total number of family units in the analyses | 831 | 1,207 |
| Race of adoptees | European/Danish | Korean-American |
| Adopted Offspring (N) | 831 | 1,690 |
| Biological offspring of parents in rearing household (N) | 0 | 1,196 |
| Adoptive/Rearing parents (N) | 1,637 | 2,414 |
| Biological Parents (N) | 1,493 | 0 |