Table 1.
Demographic and co-morbid characteristics of study population by risk for Obstructive Sleep Apnea (OSA).
| OSA Risk | ||||
|---|---|---|---|---|
| Variable | Overall n=2925 | High Risk+ n=782 | Low Risk n=2143 | p-value |
| Mean (sd) Age at sleep questionnaire | 67.53 (8.73) | 65.30 (7.95) | 68.34 (8.86) | <0.0001 |
| N (%) male | 1246 (42.60) | 357 (45.65) | 889 (41.48) | 0.0436 |
| N (%) Education | ||||
| Less than high school | 234 (8.00) | 65 (8.31) | 169 (7.89) | |
| High school graduate | 755 (25.81) | 203 (25.96) | 552 (25.76) | 0.7691 |
| Some college | 812 (27.76) | 225 (28.77) | 587 (27.39) | |
| College graduate and above | 1124 (38.43) | 289 (36.96) | 835 (38.96) | |
| N (%) Black | 1016 (34.74) | 277 (35.42) | 739 (34.48) | 0.6374 |
| N (%) Diabetes* | 539 (18.97) | 199 (26.18) | 340 (16.34) | <0.0001 |
| N (%) Dyslipidemia** | 1656 (58.35) | 510 (67.11) | 1146 (55.15) | <0.0001 |
*
Diabetic if fasting glucose >=126 mg/dL / non-fasting glucose >=200 mg/dL or on diabetic medication or insulin
**
Dyslipidemia if Total cholesterol C >=240 mg/dL or LDL >=160 mg/dL or HDL <= 40 mg/dLor on lipid-lowering medication
+
Respondents were considered high risk for Obstructive Sleep Apnea (OSA) if they met criteria in 2 or 3 of the three symptom categories of the Berlin Sleep Questionnaire, while those with symptoms in none or only one of the symptom categories were considered low risk for OSA.