Table 2. Logistic Regression with Sleep-Disordered Breathing (SDB) (Respiratory Disturbance Index > 15) as Outcome.
| Characteristic | Odds Ratio (95% Confidence Interval) | |
|---|---|---|
| Unadjusted* | Adjusted† | |
| Symptom | ||
| Snoring (>3–5 times/week) | 2.04 (1.66–2.50)‡ | 2.01 (1.62–2.49)‡ |
| Excessive daytime somnolence (Epworth Sleepiness Scale score >10) | 1.50 (1.19–1.89)‡ | 1.41 (1.11–1.79)‡ |
| Subject characteristic | ||
| Age (per 5-year increase) | 1.12 (1.04–1.20)‡ | 1.24 (1.15–1.34)‡ |
| Race (reference: Caucasian) | ||
| African American | 1.07 (0.68–1.68) | 1.05 (0.66–1.68) |
| Asian | 1.42 (0.90–2.26) | 2.14 (1.33–3.45)‡ |
| Hispanic | 1.28 (0.81–2.04) | 1.38 (0.85–2.22) |
| Obesity (BMI >30 kg/m2) | 2.36 (1.95–2.86)‡ | 2.54 (2.09–3.09)‡ |
| Neck circumference (per 5-cm increase) | 1.96 (1.69–2.27)‡ | 2.19 (1.88–2.56)‡ |
| Waist circumference (per 5-cm increase) | 1.21 (1.16–1.25)‡ | 1.24 (1.19–1.29)‡ |
| Socioeconomic status (range 1–10, per 1-unit increase) | 0.95 (0.91–1.00) | 0.95 (0.90–1.00) |
| Current smoker | 0.60 (0.30–1.17) | 0.63 (0.31–1.29) |
| Alcohol use (per category increase) | 0.98 (0.93–1.03) | 1.01 (0.96–1.06) |
| Comorbid factors | ||
| Hypertension | 1.50 (1.27–1.77)‡ | 1.26 (1.06–1.50)‡ |
| Diabetes mellitus | 1.47 (1.17–1.86)‡ | 1.18 (0.93–1.51) |
| Cardiovascular disease | 1.28 (1.08–1.52)‡ | 1.24 (1.03–1.48)‡ |
| Heart failure | 2.02 (1.47–2.76)‡ | 1.81 (1.31–2.51)‡ |
| Stroke | 0.89 (0.57–1.39) | 0.86 (0.55–1.37) |
*
Unadjusted univariate models presented.
†
Models adjusted for age, race, and body mass index (BMI) except age, race, and obesity measures, which were adjusted for respective other subject characteristics.
‡
Statistically significant.