Table 1.

Demographic characteristics of participants

	All males with OSA n = 123	AHI 20 to < 40 n = 29	AHI 40 to < 60 n = 23	AHI > 60 n = 71
Age years
mean	46.35	48.96*	47.92	44.79*
(SD)	8.47	9.50	7.52	8.06
BMI kg/m2
mean	37.59	35.71	34.93*	39.22*
(SD)	8.42	6.42	6.33	9.38
Racea
White	111	26	19	66
Non-white	11	2	4	5
Marital Statusb
Married	106	23	22	61
Single	10	3	1	6
Sep/Div	7	3	0	4
AHI
Mean	66.90	30.94**	50.06**	87.04**
(SD)	28.70	6.37	5.16	19.26

^aNot all subjects indicated race;

^bNo widowers were in sample

^*p < 0.05;

^**p < 0.001