Skip to main content
. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Sleep Breath. 2014 Mar 5;18(4):875–883. doi: 10.1007/s11325-014-0959-z

Table 1.

Sample Description

Characteristic Total Sample
(n=97)
Frequency
(n[%]) or
Mean (±SD)
Male 53 (54.6%)
Age (yrs) 49.5 (11.6)
Race
 White 84 (86.6%)
 Black or African American 6 (6.2%)
 Native Hawaiian/Other Pacific Islander 2 (2.1%)
 Asian 2 (2.1%)
 American Indian/Alaska Native 3 (3.1%)
Ethnicity
 Hispanic or Latino 8 (8.3%)
 Not Hispanic or Latino 89 (91.8%)
Married 67 (69.1%)
Education
 High School 31 (32%)
 Some College or more 63 (65%)
Employment
 Working Full-time 63 (65%)
 Working Part-time 9 (9.3%)
 Homekeeper 3 (3.1%)
 Unemployed 6 (6.2%)
 Student 3 (3.1%)
 Retired 13 (13.4%)
Rotating Shift Work 6 (6.2%)
Night Shift Work (consistent shift) 3 (3.1%)
Referral Source
 Family or Primary Care Provider 64 (66%)
 Pulmonary Specialist 13 (13.4%)
 Cardiology 5 (5.2%)
 Neurology 4 (4.1%)
 Psychiatry 1 (1%)
 Family member or friend 5 (5.2%)
 Self 5 (5.2%)
Body Mass Index (kg/m2) 38.3 (9.3)
Apnea Hypopnea Index (events/hour) 36.8 (19.7)
 Mild (5-15 events/hour) 10 (10.3%)
 Moderate (>15-30 events/hour) 29 (29.9%)
 Severe (>30 events/hour) 58 (59.8%)
NR Oxyhemoglobin Saturation Nadir 81.0 (6.8)
Total Sleep Time (TST) Oxyhemoglobin 14.9% (17.4)
Saturation ≤ 90% (mean % TST)
CPAP Use at 30 days (mean hours/night) 4.25 (2.35)
 4 hr cut-point (nonadherers) 38 (39.2%)

NR,NonREM; CPAP, Continuous Positive Airway Pressure