Both groups

PC3 (N = 126)

Usual care (N = 114)

Range (N = 240)

Mean ± SD

Mean ± SD

Mean ± SD

Age

52.1 ± 13.3

52.2 ± 13.0

51.9 ± 13.6

19-85

Body mass index (kg/m2) (BMI)

32.4 ± 8.0

32.1 ± 8.3

32.8 ± 7.8

20-64

Apnea-hypopnea index (AHI)

36.5 ± 25.9

36.3 ± 24.9

36.6 ± 27.0

7-126

Epworth sleepiness scale (ESS)

10.6 ± 5.3

10.7 ± 5.2

10.5 ± 5.4

1-24

Center for epidemiological studies-depression (CESD)

11.2 ± 5.5

11.3 ± 5.2

11.0 ± 5.9

2-28