Table 1.
Demographic and Background Characteristics
| Percentage/M | |||||||
|---|---|---|---|---|---|---|---|
| Characteristic | Total Na | All Groups Combined | None | All | Binary | Granular | P |
| Mean age (SD) | 2.905 | 42.9 (7.4) | 42.9 (7.3) | 43.1 (7.5) | 42.7 (7.4) | 43.0 (7.5) | .830 |
| Female | 2.960 | 91.0% | 91.8% | 91.3% | 90.0% | 91.5% | .615 |
| Race * | 2874 | All Groups | None | All | Binary | Granular | P |
| White | 93.2 | 92.7 | 92.8 | 92.7 | 93.9 | .675 | |
| Black | 2.4 | 2.1 | 2.5 | 3.2 | 1.8 | .267 | |
| Asian | 3.7 | 4.9 | 3.6 | 3.3 | 3.5 | .500 | |
| Native American or Alaskan Native | 0.4 | 0.2 | 0.2 | 0.3 | 0.6 | .829 | |
| Native Hawaiian or Other Pacific Islander | 0.1 | 0.0 | 0.2 | 0.1 | 0.1 | .747 | |
| Other | 1.6 | 1.6 | 2.0 | 1.3 | 1.7 | .743 | |
| Ethnicity | 2889 | ||||||
| Hispanic | 4.1% | 5.1% | 4.3% | 4.5% | 3.3% | ||
| Education | 2896 | .857 | |||||
| Eighth grade or less | 0.3% | 0.2% | 0.2% | 0.1% | 0.5% | ||
| Some high school but did not graduate | 0.5% | 0.2% | 0.7% | 0.6% | 0.4% | ||
| High school graduate or GED | 3.7% | 4.4% | 3.4% | 3.4% | 3.9% | ||
| Some college | 12.6% | 12.6% | 11.8% | 14.4% | 11.4% | ||
| 2-or-4-year college graduate | 38.0% | 37.4% | 39.0% | 38.0% | 37.9% | ||
| More than 4-year college degree | 45.0% | 45.1% | 44.9% | 43.5% | 46.1% | ||
| Work in health care | 2960 | 23.6% | 24.2% | 24.1% | 24.0% | 22.9% | .904 |
| Prior participation in research | 2959 | 37.0% | 40.1% | 38.6% | 36.4% | 35.6% | .332 |
| Prior genetic testing experience | 2960 | 40.9% | 42.8% | 42.2% | 39.9% | 40.4% | .688 |
| Child diagnosed with genetic disorder | 2960 | 23.2% | 23.7% | 23.0% | 23.4% | 23.0% | .990 |
a
Differences in the number (N) for each item reflect the fact that not everyone answered every question
Legend:
*
multiple selections possible