Table 1.
Participant Characteristics (n = 50)
| Characteristics | |
|---|---|
| Age (years) | 63.2 ± 8.4 |
| Male | 35 (70.0) |
| Race | |
| White | 28 (56.0) |
| Black | 20 (40.0) |
| Asian | 1 (2.0) |
| American Indian or Alaskan | 1 (2.0) |
| Education (years) | 13.8 ± 2.4 |
| Characteristics | |
| BMI | 26.7 ± 6.6 |
| Smoking (pack/year) | 35.2 ± 25.2 |
| FEV1/FVC | 51.8 ± 10.4 |
| FEV1, % predicted | 63.1 ± 22.4 |
| PSG Apnea Hypopnea Index | 6.4 ± 9.6 |
| PSG mean SaO2 | 93.9 ± 2.5 |
| PSG minimum SaO2 | 86.0 ± 6.6 |
| Insomnia Severity Index | 17.8 ± 4.1 |
Data are presented as N (%) or mean ± standard deviation.
BMI, body mass index; FEV1/FVC, Forced expiratory volume in one second/forced vital capacity; PSG, polysomnography