Poster Session-Factor Structure

Factor Structure

Pdf Summary

The aim of this research was to examine the factor structure and validity of the Brief Addiction Monitor (BAM) in a non-veteran Substance Use Disorder (SUD) population. The study population consisted of non-veteran patients admitted to a SUD treatment outpatient program between October 2019 and December 2021, totaling 2,227 individuals. The BAM was administered at intake through tablets or verbally with a clinician, and it included 16 single-choice items (15 5-point Likert + 1 yes/no) and 1 multi-choice item. Only the single-choice items were used in the analysis.<br /><br />Exploratory factor analysis (EFA) was conducted to assess the factor structure and psychometric properties of the BAM. EFA was performed in the full sample and within subgroups based on race, referral source, and primary SUD diagnosis. Adequacy criteria were used, including factor-loading, internal reliability, significant Bartlett's test of sphericity, and KMO.<br /><br />The results of the study suggest that the BAM may not be a reliable and valid instrument for all populations. The validity of the BAM's original three subscales could not be confirmed. A four-factor structure with 13 items (excluding self-help groups, structured activities, and social support contact) provided the most interpretable findings. The internal consistency of the factors derived from the full sample ranged from acceptable to questionable. The reliability was highest for the Alcohol Use scale and poor or questionable for Risk or Protective Factors.<br /><br />The subgroup analysis revealed variable factor structures and loading patterns by group, which have implications for clinical practice and future research using the BAM. Overall, the study suggests that further research is needed to better understand the factor structure and validity of the BAM in different populations.

Keywords

Brief Addiction Monitor

factor structure

validity

non-veteran

Substance Use Disorder

SUD treatment

BAM

Exploratory factor analysis

psychometric properties

interpretable findings

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