Table 1.

Participant demographic information by study group

Parameter	CocUD (n = 27)	Control (n = 20)	Statistics
Age, years
M (SD)	43.6 (8.6)	40.3 (11.1)	t = 1.11, df= 34.7,
Range	27-58	27-60	p = .27, d =0.38
Sex	5 F, 22 M	10 F, 10 M	χ2 = 3.89, df= 1, p =.05, Cramer's V = 0.02
Education, years
M (SD)	12.68 (2.47)	15.8 (2.46)	t =-4.19, df =41.34,
Range	7-18	12-21	p = .0001, d = -1.31
Lifetime alcohol consumption, kg	279.76 (447.09)	67.61 (115.87)	t =2.36, df = 30.59,

Notes: CocUD = cocaine use disorder; F = females; M = males.