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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Drug Alcohol Depend. 2020 Aug 6;215:108208. doi: 10.1016/j.drugalcdep.2020.108208

Table 1.

Descriptive Statistics (Means and Standard Deviations) for Demographic and Clinical Measures by Group

Full Sample HCs SUDs p
N= 54 147
Age 32.27 (11.35) 34.05 (9.17) 0.26
Sex (Male) 0.44 (0.50) 0.49 (0.50) 0.57
DAST 0.11 (0.37) 7.54 (2.22) <0.001
PHQ 0.80 (1.28) 6.58 (5.70) <0.001
OASIS 1.35 (1.94) 5.84 (4.63) <0.001
WRAT 63.53 (4.93) 58.47 (5.85) <0.001
Regular nicotine smoker* 8 (15%) 54 (37%) <0.001
Propensity Matched HCs SUDs p
N= 51 49
Age 32.35 (11.40) 32.25 (7.72) 0.96
Sex (Male) 0.45 (0.50) 0.55 (0.50) 0.32
DAST 0.12 (0.38) 7.57 (2.36) <0.001
PHQ 0.78 (1.30) 7.12 (5.19) <0.001
OASIS 1.31 (1.92) 6.98 (4.55) <0.001
WRAT 63.53 (4.93) 61.76 (5.06) 0.08
Regular nicotine smoker* 8 (16%) 18 (37%) <0.001
*

defined as >3650 lifetime cigarettes. DAST = Drug Abuse Screening Test. PHQ = Patient Health Questionnaire. OASIS = Overall Anxiety Severity and Impairment Scale. WRAT = Wide Range Achievement Test.