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Fig. 2 | BMC Psychiatry

Fig. 2

From: Characteristics of depression, anxiety, impulsivity, and aggression among various types of drug users and factors for developing severe depression: a cross-sectional study

Fig. 2

Differences of in BIS-11, BPAQ, SDS, and SAS scores among the methamphetamine-only, heroin-only, and polysubstance groups. BIS-11 Barratt impulsiveness scale version 11, VA verbal aggression, PA physical aggression, BPAQ Buss-Perry aggression questionnaire, SDS Zung Self-Rating Depression Scale, SAS Zung Self-Rating Anxiety Scale, ns no significance. *p < 0.05 by one-way ANOVA

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