Table 3.
Demographics and baseline characteristics.
| Parameter | Total (N=459) |
|---|---|
| Age, years | 49.7 (11.4) |
| <50 | 221 (48.1%) |
| ≥50 | 238 (51.9%) |
| Female | 139 (30.3%) |
| Race | |
| American Indian or Alaska native | 37 (8.1%) |
| Asian | 80 (17.5%) |
| Black or African American | 24 (5.2%) |
| White | 316 (69.0%) |
| Multiple | 1 (0.2%) |
| Missing | 1 (0.2%) |
| Ethnicity | |
| Hispanic or Latino | 166 (36.2%) |
| Not Hispanic or Latino | 288 (62.7%) |
| Not reported | 5 (1.1%) |
| Region | |
| North America | 32.0% |
| South America | 31.8% |
| Europe | 14.8% |
| Asia-Pacific | 21.4% |
| Weight, kg | 115.0 (22.8) |
| BMI, kg/m2 | 38.8 (6.4) |
| <35 | 140 (30.5%) |
| ≥35 to <40 | 160 (34.9%) |
| ≥40 | 159 (34.6%) |
| HbA1c, % | 5.65 (0.4) |
| AHI, events/hour | 50.1 (28.6) |
| OSA severity | |
| Moderate | 152 (33.2%) |
| Severe | 299 (65.3%) |
| Waist circumference, cm | 121.0 (14.6) |
| Neck circumference, cm | 44.3 (4.7) |
| Prediabetes | 283 (61.7%) |
| Dyslipidemia | 383 (83.4%) |
| Hypertension | 350 (76.3%) |
| ESS score | 10.3 |
| Sleep efficiency | 75.8 (14.0) |
| Sleep onset | 15.9 (20.8) |
| WASO, min | 97.4 (59.8) |
| REM sleep, % | 13.1 (7.1) |
Note: Data are presented as mean (standard deviation) or n (%) unless otherwise noted.
Abbreviations: AHI, apnea-hypopnea index; BMI, body mass index; ESS, Epworth Sleepiness Scale; HbA1c, glycated hemoglobin; OSA, obstructive sleep apnea; REM, rapid eye movement; WASO, wakefulness after sleep onset.