Drug and alcohol dependence · 2021
A measure of subjective substance use disorder awareness - Substance Use Awareness and Insight Scale (SAS).
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Kim Julia, Kambari Yasaman, Taggar Anmol, Quilty Lena C, Selby Peter, Caravaggio Fernando, Ueno Fumihiko, Torres Edgardo, Song Jianmeng, Pollock Bruce G, Graff-Guerrero Ariel, Gerretsen Philip
Аннотация
INTRODUCTION: Impaired illness awareness or inability to recognize that one has a substance use disorder can be a barrier to treatment seeking and rehabilitation. A validated scale is needed to better understand the clinical impact of impaired substance use disorder awareness. This study aimed to examine the psychometric properties of the Substance Use Awareness and Insight Scale (SAS), a novel scale to assess impaired illness awareness in individuals with substance use disorder.
METHODS: We developed the SAS, a 7-item self-report measure to assess the theoretical constructs of illness awareness in substance use disorder (www.illnessawarenessscales.com). Participants 18 years of age or older with a score of 8 or more on the Drug Use Disorders Identification Test (DUDIT) were included. Data were collected via Dynata, an online survey platform.
RESULTS: A total of 299 participants were included (mean (SD) age = 47.3-years (15.4), 54% women). The SAS demonstrated good convergent (r = 0.82, p < 0.001) and discriminant validity (r = -0.23, p < 0.001) with a measure of illness recognition and positive affect, respectively. SAS also demonstrated good internal consistency (Cronbach's alpha = 0.86) and one-month test-retest reliability (intra-class correlation = 0.87). An exploratory factor analysis suggested the retention of two components. Separate analyses of the SAS in individuals with cannabis, opioid, and other substance use showed similar results.
DISCUSSION: The results of this study provide initial support for the psychometric validation of the SAS in adults with substance use disorder. The SAS holds promise for use in research and clinical settings to assess the influence of impaired substance use disorder awareness on treatment outcomes.
METHODS: We developed the SAS, a 7-item self-report measure to assess the theoretical constructs of illness awareness in substance use disorder (www.illnessawarenessscales.com). Participants 18 years of age or older with a score of 8 or more on the Drug Use Disorders Identification Test (DUDIT) were included. Data were collected via Dynata, an online survey platform.
RESULTS: A total of 299 participants were included (mean (SD) age = 47.3-years (15.4), 54% women). The SAS demonstrated good convergent (r = 0.82, p < 0.001) and discriminant validity (r = -0.23, p < 0.001) with a measure of illness recognition and positive affect, respectively. SAS also demonstrated good internal consistency (Cronbach's alpha = 0.86) and one-month test-retest reliability (intra-class correlation = 0.87). An exploratory factor analysis suggested the retention of two components. Separate analyses of the SAS in individuals with cannabis, opioid, and other substance use showed similar results.
DISCUSSION: The results of this study provide initial support for the psychometric validation of the SAS in adults with substance use disorder. The SAS holds promise for use in research and clinical settings to assess the influence of impaired substance use disorder awareness on treatment outcomes.