Table 1.
Demographics for all participants, as well as the subsets of participants with MRI or MEG.
| Total | MRI | MEG | ||||
|---|---|---|---|---|---|---|
| Sample Size | 1,090 | 155 | 67 | |||
| Age (Mean/Standard Deviation) | 38.46 | 15.47 | 34.05 | 12.75 | 34.16 | 11.97 |
| Age (Median/Min-Max) | 33 | 18–89 | 30 | 18–72 | 32 | 20–64 |
| Female (N/%) | 707 | 65.20% | 102 | 65.81% | 46 | 68.66% |
| Male (N/%) | 377 | 34.59% | 53 | 34.19% | 21 | 31.34% |
| Race/Ethnicity | ||||||
| American Indian or Alaskan Native (N/%) | 5 | 0.46% | 0 | 0.00% | 0 | 0.00% |
| Asian (N/%) | 110 | 10.17% | 25 | 16.13% | 12 | 17.91% |
| Black/African American (N/%) | 157 | 14.53% | 22 | 14.19% | 13 | 19.40% |
| White (N/%) | 751 | 69.47% | 101 | 65.16% | 40 | 59.70% |
| Multiple Races (N/%) | 52 | 4.81% | 7 | 4.52% | 2 | 2.99% |
| Ethnicity: Hispanic/Latino? (N/%) | 96 | 9.02% | 10 | 6.71% | 5 | 7.69% |
| Handedness | ||||||
| Hand (Right) (N/%) | 919 | 84.31% | 134 | 86.45% | 60 | 89.55% |
| Hand (Left) (N/%) | 64 | 5.87% | 7 | 4.52% | 3 | 4.48% |
| Hand (Ambidextrous) (N/%) | 84 | 7.71% | 14 | 9.03% | 4 | 5.97% |
Note that age is unknown for 10 participants, sex is unknown for 6 participants, handedness is unknown for 23 participants, race is unknown for 6 participants, and ethnicity is unknown for 8 participants. Participants were allowed to endorse more than one race/ethnicity; the table reflects the primary endorsement.