Continuous Positive Airway Pressure Adherence for Obstructive Sleep Apnea

Table 1

Comparison of compliers to noncompliers at one year. The shorter the length between the initial sleep visit and receiving the CPAP machine was associated with improved compliance (𝑃=.𝟎𝟏𝟒).

(a)

	Non compliers			Compliers
Variable	𝑛	mean	SD	𝑛	mean	SD	𝑃-value
Age	49	54.2	13.4	46	56.7	10.3	.306
AHI	49	44.77	29.7	46	46.9	24.4	.697
ln time from initial visit to initial polysomnogram	46	3.19	1.25	43	3.22	0.77	.887
ln Time from initial polysomnogram to CPAP titration	47	3.73	0.79	46	3.53	0.71	.206
ln Time from CPAP titration to receiving machine	47	2.98	0.76	44	2.72	0.46	.050
ln Total time from initial appointment to receiving CPAP machine	44	4.64	0.71	41	4.28	0.60	.014
Median household income	47	$52,670	$25,060	46	$62,280	$29,030	.091
Household size	47	2.45	0.64	46	2.65	0.41	.077
Household size owners	47	2.58	0.66	46	2.69	0.43	.315
Household size renters	47	2.15	1.28	46	2.49	1.16	.180
ln percent less than high school education	46	2.54	0.80	46	2.56	0.76	.919
ln percent high school education	46	28.56	10.06	46	26.49	10.01	.325
ln percent college education	46	55.91	18.38	46	57.90	18.32	.605

(b)

	Noncompliers	Compliers
	% (𝑟/𝑛)	% (𝑟/𝑛)	𝑃-value
Female	34.7 (17/43)	26.1 (12/46)	.363
Black	37.0 (17/46)	26.7 (12/45)	.292