. Author manuscript; available in PMC: 2018 Dec 10.

Published in final edited form as: Health (Irvine Calif). 2014 Oct;6(18):2416–2424. doi: 10.4236/health.2014.618278

Table 1.

Baseline characteristics by and across groups (81 women and 159 men).

	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