Table 1.
Demographic and clinical characteristics of the analysis population
| Characteristic | Clinical sample—excluding controls (n=240) | Clinical sample—controls (n=111) | College sample (n=487) |
|||
| N | % | N | % | N | % | |
| Age (years), mean (SD) | 37.9 | (14.3) | 41.2 | (13.1) | 19.6 | (1.5) |
| Gender | ||||||
| Female | 111 | 46 | 62 | 56 | 329 | 68 |
| Race* White | 201 | 84 | 78 | 70 | 358 | 74 |
| Black/African-American | 18 | 8 | 16 | 14 | 16 | 3 |
| Asian | 8 | 3 | 7 | 6 | 70 | 14 |
| Native American/Alaska Native | 1 | <1 | 0 | 0 | 4 | <1 |
| Other | 12 | 5 | 10 | 9 | 19 | 4 |
| Ethnicity | ||||||
| Non-Hispanic | 222 | 93 | 100 | 91 | – | |
| Hispanic | 18 | 8 | 11 | 10 | – | – |
| Any comorbidity† | 124 | 52 | 0 | 0 | 59 | 12% |
| ASQ total score, mean (SD) | 101.8 | (76.6) | 14.2 | (16.6) | 72.7 | (54.3) |
| HAM-A total score, mean (SD) | 13.6 | (9.6) | – | – | ||
| BAI total score, mean (SD) | – | – | 7.9 | (8.6) | ||
Non-Hispanic Black, American Indian/Alaskan Native, Asian/Pacific Islander, other.
*In the college sample, race/ethnicity were captured using the categories: non-Hispanic white,.
†College students were asked if they had any chronic medical conditions.
ASQ, Anxiety Symptoms Questionnaire; BAI, Beck Anxiety Inventory; HAM-A, Hamilton Anxiety Scale.