Table 1.
Demographic and clinical characteristics of the sample
| Full sample (n = 1,779) | Non-GMA (n = 752) | GMA (n = 1,027) | ||||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |
| Age | 16.0 | 1.2 | 15.9 | 1.1 | 16.0 | 1.2 |
| Subjective social status | 5.7 | 1.6 | 6.0 | 1.6 | 5.4 | 1.5 |
| Sex assigned at birth | n | % | n | % | n | % |
| Female | 1,479 | 83 | 557 | 74 | 922 | 90 |
| Male | 300 | 17 | 195 | 26 | 105 | 10 |
| Race/ethnicity | n | % | n | % | n | % |
| White | 1,167 | 66 | 468 | 62 | 699 | 68 |
| Black | 156 | 9 | 77 | 10 | 79 | 8 |
| Latinx/Hispanic | 156 | 9 | 78 | 10 | 78 | 8 |
| Asian/Pacific Islander | 64 | 4 | 40 | 5 | 24 | 2 |
| Native American/Other | 25 | 1 | 9 | 1 | 16 | 2 |
| Mixed | 210 | 12 | 79 | 11 | 131 | 13 |
| Sexual orientation | ||||||
| Straight/Heterosexual | 359 | 20 | 329 | 44 | 64 | 3 |
| Gay/Lesbian | 289 | 16 | 98 | 13 | 368 | 19 |
| Bisexual/Pansexual | 768 | 43 | 263 | 35 | 927 | 48 |
| Queer/Other/Questioning | 351 | 20 | 54 | 7 | 542 | 28 |
| Sleep parameters (range) | ||||||
| Sleep duration (4–11) | 6.72 | 1.33 | 6.82 | 1.19 | 6.64 | 1.42 |
| Poor sleeper (0–1) | 0.58 | 0.49 | 0.49 | 0.50 | 0.65 | 0.48 |
| Inadequate sleep† (0–4) | 1.83 | 0.92 | 1.97 | 0.91 | 1.72 | 0.91 |
| Too much/too little sleep (0–1) | 0.29 | 0.46 | 0.35 | 0.48 | 0.25 | 0.44 |
| CES-D Composite Mean Score (without sleep) (1–4) | 2.53 | 0.68 | 2.30 | 0.70 | 2.69 | 0.62 |
†lower score = more likely to have inadequate sleep.