Table 1.
Demographic Metrics: A Comparison of Diagnostic Groups Within the Validation Sample for Discriminatory Analyses
| Exploratory Sample | Validation Sample | Sample Comparison Statistics | CHR | CHV | MDD | Anxiety | Discriminant Sample | Discriminant Group Statistics | |
|---|---|---|---|---|---|---|---|---|---|
| n = 3009 | n = 439 | n = 84 | n = 78 | n = 35 | n = 78 | n = 275 | |||
| Age -M(SD) | 20.31 (2.36) | 20.13 (1.84) | t(3436) = 1.523 P = .13 | ||||||
| Sex (% Female) | 67.75% | 77.47% | χ 2(1) = .285 P = .59 | 75.60% | 70.50% | 80% | 84.60% | 74.69% | χ 2 (3) = 4.70, P = .20 |
| Hispanic ethnicity | 10.38% | 10.25% | χ 2 (1) = .007 P = .93 | 7.31% | 8.97% | 14.29% | 5.26% | 8.98% | χ 2 (3) = 2.76, P = .43 |
| Race | χ 2 (5) = .852, P = .97 | ||||||||
| American Indian | 0.36% | 0.46% | 0.35% | 0.00% | 0.00% | 0.00% | 0% | χ 2 (3) = 2.31, P = .51 | |
| Asian | 24.06% | 25.06% | 6.36% | 8.13% | 2.47% | 8.13% | 28.98% | χ 2 (3) = 2.45, P = .49 | |
| Native Hawaiian | 0.03% | 0.00% | 0.35% | 0.35% | 0.00% | 0.00% | 0.82% | χ 2 (3) = 1.417, P = .70 | |
| Black/African American | 13.51% | 14.81% | 4.95% | 4.59% | 1.41% | 4.24% | 17.55% | χ 2 (3) = .629, P = .89 | |
| White | 51.34% | 50.57% | 16.61% | 13.43% | 7.42% | 13.07% | 58.37% | χ 2 (3) = 2.59, P = .46 | |
| Multiracial | 6.16% | 6.61% | 1.06% | 2.12% | 1.06% | 1.41% | 6.53% | χ 2 (3) = 1.78, P = .62 | |
| Unknown | 7.45% | 2.51% | 0.71% | 1.06% | 0.71% | 0.00% | 2.86% | χ 2 (3) = 3.978, P = .26 |
Note: CHR, clinical high-risk; CHV, community healthy volunteer; MDD, major depression disorder.