Table 1.
Participant demographics and sleep characteristics
| Adolescents (n = 38) | Adults (n = 17) | Test Statistic | |
|---|---|---|---|
| Female | 40% | 53% | x2 = 0.89 |
| Mean Age (SD) | 13.2 (1.5) | 38.5 (8.8) | t = 11.77** |
| Age Range | 11–15y | 30–60y | |
| Ethnicity (n) | x2 = 4.32 | ||
| Asian | 9 | 5 | |
| Caucasian | 22 | 9 | |
| Latino/a | 2 | 0 | |
| African American | 4 | 3 | |
| Other | 1 | 0 | |
| Mean Years Education (SD) | 8 (1.6) | 16.4 (2.3) | t = 13.16** |
| Mean Range Household Income | 75K–100K | 25K–50K | x2 = 14.73* |
| Pubertal Status | N/A | ||
| Pre-Pubertal | 0 | N/A | |
| Early-Pubertal | 4 | N/A | |
| Mid-Pubertal | 18 | N/A | |
| Late-Pubertal | 12 | N/A | |
| Post-Pubertal | 2 | N/A | |
| Mean TST: Week average at home (SD) | 7.4 (0.85) | 6.6 (1.19) | t = 1.86 |
| Mean TST: Night prior to lab visit (SD) | 6.3 (1.55) | 5.8 (1.11) | t = 1.23 |
| Mean SSS: 22:30 (SD) | 2.39 (0.97) | 2.63 (1.20) | t = 0.74 |
| Mean SSS: 06:30 (SD) | 4.32 (1.38) | 4.94 (1.48) | t = 1.48 |
SD, standard deviation; TST, total sleep time; SSS, Stanford Sleepiness Scale.*P < 0.01,**P < 0.001.