Table 1 Characteristics of included participants: demographics, confounders, exposures, and outcomes
Variable | Mean (SD) or N, (%) | N (%) Missing |
|---|---|---|
N | 591 | Â |
Age | 72 (8) | 0 (0%) |
Race/ethnicity | Â | 0 (0%) |
Black | 155 (26%) | Â |
Chinese-American | 91 (15%) | Â |
Hispanic | 111 (19%) | Â |
White | 234 (40%) | Â |
Gender | Â | 0 (0%) |
Female | 322 (54%) | Â |
Male | 269 (46%) | Â |
Language spoken | Â | 0 (0%) |
English | 480 (81%) | Â |
Spanish | 47 (8%) | Â |
Chinese | 64 (11%) | Â |
Family Income >$50,000 per year | 314 (55%) | 22 (4%) |
Education, College or more | 265 (45%) | 2 (< 1%) |
Current alcohol use | 270 (46%) | 0 (0%) |
APOE4 carrier | 152 (27%) | 25 (4%) |
BMI (kg/m2) | 28 (5) | 0 (0%) |
Waist circumference (cm) | 98 (13) | 0 (0%) |
Soft palate volume (mL) | 10.6 (2.7) | 0 (0%) |
Upper facial height (mm) | 47 (4) | 0 (0%) |
Maxillary divergence (degrees) | 56 (5) | 0 (0%) |
Percentage of tongue fat | 20 (3) | 55 (9%) |
Apnea hypopnea index plus arousals (events per hour) | 17 (15) | 13 (2%) |
Percentage of sleep time < 90% oxygen saturation | 2 (5) | 0 (0%) |
Wake after sleep onset time (minutes) | 83 (56) | 0 (0%) |
Epworth sleepiness scale | 6 (4) | 10 (2%) |
CASI score | 91 (7) | 20 (3%) |
Digit Span Forward score | 10 (3) | 3 (1%) |
Digit Span Backward score | 6 (2) | 3 (1%) |
Digit Symbol Coding score | 53 (18) | 47 (8%) |