Table 3.

Characteristics of participants with elevated daytime sleepiness (as defined by ESS scores >9) versus normal daytime sleepiness (as defined by ESS scores ≤ 9) in individuals with cocaine and METH use disorders

COCAINE USE DISORDERS				METH USE DISORDERS
ESS > 9 (n=26)	ESS≤ 9 (n=25)	P		ESS > 9 (n=43)	ESS≤ 9 (n=42)	P
13.7±0.7	5.5±0.5	<0.0001	ESS	14.0±0.5	5.4±0.5	<0.0001
8.8±0.8	6.6±0.9	0.071	PSQIa	9.4±0.8	7.1±0.7	0.040*
44.5±1.2	45.5±1.4	0.573	Age	38.2±1.4	36.3±1.3	0.338
12.0±0.4	12.3±0.3	0.619	Education	12.3±0.3	11.2±0.6	0.087
			Stimulant Use
19.3±1.6	17.8±1.6	0.506	Years of use	12.4±1.0	11.6±1.2	0.607
18.9±1.7	16.6±1.8	0.349	Recent useb	18.0±1.4	17.1±1.5	0.669
1.7±0.2	2.4±0.4	0.108	Grams/day	1.3±0.2	1.1±0.2	0.524

^*P<0.05; Reflect Mean ± SEM

^aNumber reflects global PSQI score

^bRecent use equals the number of days in which stimulant was used in the 30 days.