Baseline characteristics of study subjects
| Intervention (TLC-CPAP) | Control | |
| Age (years) | 56.0 (48.0–63.0) | 54.0 (45.0–62.0) |
| Male (%) | 100 (80.7%) | 105 (83.3%) |
| Body mass index (kg/m2) | 34.4 (30.1–40.1) | 35.9 (31.9–42.1) |
| Apnoea-hypopnoea index (events/h) | 36.0 (22.0–63.0) | 40.5 (21.0–64.0) |
| Epworth Sleepiness Scale | 10.0 (6.0–15.0) | 11.0 (8.0–15.0) |
| FOSQ | 16.6 (13.5–18.2) | 16.1 (13.6–18.3) |
| Sleep Symptoms Checklist | 30.0 (24.0–36.0) | 31.0 (26.0–37.0) |
| CES-D | 18.0 (14.0–26.0) | 22.0 (15.0–31.0) |
| Visual reaction time | ||
| Mean reaction time (ms) | 303.3 (266.5–361.6) | 308.0 (283.2–357.9) |
| Mean slowest reaction time (ms) | 505.9 (417.0–668.3) | 534.2 (460.4–719.0) |
All results are presented as median (IQR) values. There were no differences between the two groups on these characteristics by Mann–Whitney U test at p<0.05.
CES-D, Center for Epidemiological Studies Depression (CES-D) Scale; CPAP, continuous positive airway pressure; FOSQ, Functional Outcomes of Sleep Questionnaire; TLC, telephone-linked communication.