Table 2 Demographic characteristics of the HC and MS groups in experiment 2a (mean ± SD).

HC
(n = 43)
MS
(n = 35)
tPEffect size
(Cohen’s d)
Age (years)34.60 ± 8.9735.34 ± 7.36−0.3910.6970.090
Education (years)9.67 ± 1.578.69 ± 3.221.6610.1030.387
BAI26.70 ± 7.0528.79 ± 7.73−1.2410.2180.283
BDI12.00 ± 9.6416.26 ± 8.27−2.0500.0440.474
PSQI5.65 ± 3.226.40 ± 3.16−1.0290.3070.235
BIS-1176.35 ± 18.5687.76 ± 18.25−2.7060.0090.620
Duration of current abstinence (days)NA69.74 ± 35.95NANANA
Years of meth use before abstinenceNA7.69 ± 3.78NANANA
Dosage of meth use before abstinence (g/month)NA14.04 ± 13.47NANANA