Predictive validity of single-item motivational measures for emerging adults in substance-use disorder treatment

Douglas C. Smith, Jordan P. Davis, Natasha Mendoza, Saijun Zhang

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Objective: Few studies have examined which measures of motivation for change predict abstinence and early remission outcomes (AER) for emerging adults with substance-use disorders, and recent research suggests that single-item measures may perform as well as longer readiness-to-change scales. This study extends findings to emerging adults (ages 18–25) treated in outpatient settings by investigating the predictive validity of a single-item motivational measure. Method: Using a national data set of emerging adults receiving outpatient substance-use disorder treatments (N = 1,951), we predicted AER at 3 and 6 months in logistic regression models that controlled for demographics, global severity, and baseline values of the dependent variable. Separate models were run based on self-reported quit status at intake, and all models were corrected for site differences. Results: The single-item motivational measure significantly predicted AER status for quitters at both 3 and 6 months and for nonquitters at 6 months. Conclusions: The single-item motivational measure was the only motivation measure to predict 3- and 6-month outcomes. Thus, it could be used in many situations, except when researchers are interested in clarifying theoretical considerations pertaining to motivation.

Original languageEnglish (US)
Pages (from-to)259-277
Number of pages19
JournalJournal of the Society for Social Work and Research
Volume8
Issue number2
DOIs
StatePublished - Jun 1 2017

Keywords

  • Emerging adults
  • Motivation to change
  • Single-item
  • Substance-use treatment
  • Validity

ASJC Scopus subject areas

  • Social Sciences (miscellaneous)
  • Sociology and Political Science

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