Table 5.

Cognitive Task Scores (Mean ± SE)

	Control		Methamphetamine use disorder		Group difference (P, Cohen d)
	Smoking N = 6	Nonsmoking N = 8	Smoking N = 8	Nonsmoking N = 6
RAVLT Z-Score	0.65 ± 0.6	0.18 ± 0.3	0.04 ± 0.4	−1.05. ± 0.4	P = .0756, d = 0.70
SCAP D-Primea	3.3 ± 0.5	2.6 ± 0.3	2.0 ± 0.4	1.7 ± 0.2	P = .0065, d = 1.03
STROOP interference	8.3 ± 3.6	9.0 ± 4.4	2.6 ± 1.8	5.6 ± 1.6	P = .1301, d = 0.61

Abbreviations: MUD, methamphatamine use disorder; RAVLT, Rey Auditory Verbal Learning Test; SCAP, spatial capacity delayed response test.

^a Significant group difference, control vs MUD (P < .05).