Table 2.
Demographic and Health Characteristics were Derived from Initial Referrals for Sleep Apnea Evaluation by a Primary-Care Physician Including a Brief Sleep Apnea Questionnaire
| Demographic and Health Characteristics of Patients Referred for Sleep Apnea Evaluation | |||
|---|---|---|---|
| Variable | Adherence (38%) | Non Adherence (62%) | F/χ2 |
| Age (mean) | 51 ± 14 | 52 ± 16 | 1.01 |
| Female (%) | 57 | 62 | 1.05 |
| Obesity (%) | 63 | 40 | 20.45* |
| Hypertension (%) | 45 | 39 | 1.77 |
| Snoring (%) | 52 | 43 | 3.08 |
| Daytime Sleepiness (%) | 69 | 26 | 63.45* |
| Sleep Difficulty (%) | 49 | 46 | 0.40 |
Obesity was classified according to NIH criteria. Variables were compared using ANOVA or Fisher exact test; * p < 0.01.