Table 1.
Sample Description
| Characteristic | Total Sample (n=97) Frequency (n[%]) or Mean (±SD) |
Participants with Complete FAAS (n=68) Frequency (n[%]) or Mean (±SD) |
Participants without Complete FAAS Data (n=29) Frequency (n[%]) or Mean (±SD) |
P-value* |
|---|---|---|---|---|
| Male | 53 (55%) | 36 (53%) | 17 (59%) | 0.61 (C) |
| Age (yrs) | 50 (11.6) | 49 (11.4) | 52 (12.1) | 0.24 (T) |
| Race | ||||
| White | 84 (87%) | 61 (90%) | 23 (79%) | 0.21 (F) |
| Black or African American | 6 (6%) | 4 (6%) | 2 (7%) | |
| Native Hawaiian/Other Pacific Islander | 2 (2%) | 0 (0%) | 2 (7%) | |
| Asian | 2 (2%) | 1 (2%) | 1 (4%) | |
| American Indian/Alaska Native | 3 (3%) | 2 (3%) | 1 (4%) | |
| Ethnicity | ||||
| Hispanic or Latino | 8 (8%) | 5 (7%) | 3 (10%) | 0.69 (F) |
| Not Hispanic or Latino | 89 (92%) | 63 (93%) | 26 (90%) | |
| Married | 67 (69%) | 46 (68%) | 21 (72%) | 0.64 (C) |
| Education | ||||
| High School | 31 (32%) | 20 (29%) | 14 (48%) | 0.07 (C) |
| Some College or more | 63 (65%) | 48 (71%) | 15 (52%) | |
| Employment | ||||
| Working Full-time | 63 (65%) | 47 (69%) | 16 (55%) | 0.62 (F) |
| Working Part-time | 9 (9%) | 5 (7%) | 4 (14%) | |
| Homekeeper | 3 (3%) | 2 (3%) | 1 (4%) | |
| Unemployed | 6 (6%) | 5 (7%) | 1 (4%) | |
| Student | 3 (3%) | 2 (3%) | 1 (4%) | |
| Retired | 13 (13%) | 7 (10%) | 6 (21%) | |
| Rotating Shift Work | 6 (6%) | 4 (6%) | 2 (7%) | 1.00 (F) |
| Night Shift Work (consistent shift) | 3 (3%) | 2 (3%) | 1 (4%) | 1.00 (F) |
| Referral Source | ||||
| Family or Primary Care Provider | 64 (66%) | 45 (66%) | 19 (66%) | 0.64 (F) |
| Pulmonary Specialist | 13 (13%) | 7 (10%) | 6 (21%) | |
| Cardiology | 5 (5%) | 3 (4%) | 2 (7%) | |
| Neurology | 4 (4%) | 3 (4%) | 1 (4%) | |
| Psychiatry | 1 (1%) | 1 (2%) | 0 (0%) | |
| Family member or friend | 5 (5%) | 4 (6%) | 1 (4%) | |
| Self | 5 (5%) | 5 (7%) | 0 (0%) | |
| Body Mass Index (kg/m2) | 38.3 (9.3) | 38.6 (9.9) | 37.6 (7.8) | 0.62 (T) |
| Apnea Hypopnea Index (events/hour) | 36.8 (19.7) | 36.7 (18.6) | 36.9 (22.3) | 0.96 (T) |
| Mild (5–15 events/hour) | 12 (12%) | 11 (16%) | 1 (4%) | 0.01 (C) |
| Moderate (>15–30 events/hour) | 25 (26%) | 12 (18%) | 13 (45%) | |
| Severe (>30 events/hour) | 60 (62%) | 45 (66%) | 15 (52%) | |
| NR Oxyhemoglobin Saturation Nadir | 81.0 (6.0) | 81.8 (6.8) | 79.1 (7.2) | 0.08 (T) |
| Titration CPAP Mask Style | ||||
| Full-face Mask | 20 (23%) | 13 (21%) | 7 (27%) | 0.08 (C) |
| Nasal Pillows | 32 (37%) | 27 (44%) | 5 (19%) | |
| Nasal Mask | 35 (40%) | 21 (34%) | 14 (54%) | |
| CPAP Use at 30 days (mean hours/night) | 4.25 (2.35) | 4.3 (2.5) | 4.2 (2.0) | 0.90 (T) |
| 4 hr cut-point (nonadherers) | 38 (39%) | 25 (37%) | 13 (45%) | 0.46 (C) |
| CPAP Use at 1 week (mean hrs/night) | 4.52 (2.52) | 4.49 (2.65) | 4.58 (2.22) | 0.88 (T) |
| 4hr cut-point (nonadherers) | 34 (35%) | 23 (34%) | 11 (38%) | 0.70 (C) |
NR, NonREM; CPAP, Continuous Positive Airway Pressure
*
C=chi-square, T=t-test, F=Fisher’s Exact; for FAAS sample vs. subjects without FAAS