Cocaine users Cocaine users Main effect sex
Male (n = 31) Female (n = 27)
Cocaine use disorder (DSM-5) a x2 = 2.397, p = .494
No cocaine use disorder 7 (12.1%) 3 (5.2%)
Mild cocaine use disorder 7 (12.1%) 4 (6.9%)
Moderate cocaine use disorder 6 (10.3%) 7 (12.1%)
Severe cocaine use disorder 11 (19.0%) 13 (22.4%)
Age of onset regular use 24.2 (5.3) 21.3 (4.4) p < 0.05, η2=0.08
Years of use 4.7 (4.4) 5.2 (5.3) p = 0.69, η2 < 0.01
Use per month (in grams) 5.9 (4.9) 3.9 (3.8) p = 0.10, η2 = 0.05
Cocaine use severity (DUDIT) 16.9 (5.9) 16.4 (4.7) p = 0.74, η2 < 0.01
Alcohol use severity (AUDIT) 10.7 (5.8) 12.3 (3.9) p = 0.15, η2 = 0.02