Table 1.
Demographic and clinical characteristics of sample.
| Sample (n = 420) | |
|---|---|
| Age (y), mean (SD) | 61.1 (8.6) |
| Male, n (%) | 356 (84.8) |
| Race, n (%)* | |
| White | 195 (46.7) |
| Black | 209 (50.0) |
| Other | 14 (3.3) |
| Medical record diagnoses | |
| Hypertension without hyperlipidemia, n (%) | 108 (25.7) |
| Hyperlipidemia without hypertension, n (%) | 42 (10.0) |
| Both hypertension and hyperlipidemia, n (%) | 270 (64.3) |
| Sleep apnea without insomnia, n (%) | 82 (19.5) |
| Insomnia without sleep apnea, n (%) | 12 (2.9) |
| Both sleep apnea and insomnia, n (%) | 4 (1.0) |
| Self-reported sleep characteristics | |
| Any problems or concerns about sleep, n (%) | 208 (49.5) |
| Insomnia Severity Index score, mean (SD) among n = 208 endorsing problems or concerns about sleep, n (%) | 15.5 (5.8) |
| Prior diagnosis of sleep apnea, n (%) | 107 (25.5) |
| Berlin Sleep Questionnaire categories among n = 313 denying prior diagnosis of sleep apnea, n (%) | |
| Low risk | 94 (30.0) |
| High risk | 219 (70.0) |
| PAP device usage among n = 107 reporting sleep apnea, n (%) | |
| <4 h/night | 43 (40.2) |
| ≥4 h/night | 64 (59.8) |
*Missing data: race (2). PAP = positive airway pressure, SD = standard deviation.