Anticipated benefits of care (ABC): Psychometrics and predictive value in psychiatric disorders

D. Warden*, M. H. Trivedi, T. J. Carmody, J. K. Gollan, T. M. Kashner, L. Lind, M. L. Crismon, A. J. Rush

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background Attitudes and expectations about treatment have been associated with symptomatic outcomes, adherence and utilization in patients with psychiatric disorders. No measure of patients' anticipated benefits of treatment on domains of everyday functioning has previously been available.Method The Anticipated Benefits of Care (ABC) is a new, 10-item questionnaire used to measure patient expectations about the impact of treatment on domains of everyday functioning. The ABC was collected at baseline in adult out-patients with major depressive disorder (MDD) (n=528), bipolar disorder (n=395) and schizophrenia (n=447) in the Texas Medication Algorithm Project (TMAP). Psychometric properties of the ABC were assessed, and the association of ABC scores with treatment response at 3 months was evaluated.Results Evaluation of the ABC's internal consistency yielded Cronbach's of 0.90-0.92 for patients across disorders. Factor analysis showed that the ABC was unidimensional for all patients and for patients with each disorder. For patients with MDD, lower anticipated benefits of treatment was associated with less symptom improvement and lower odds of treatment response [odds ratio (OR) 0.72, 95% confidence interval (CI) 0.57-0.87, p=0.0011]. There was no association between ABC and symptom improvement or treatment response for patients with bipolar disorder or schizophrenia, possibly because these patients had modest benefits with treatment.Conclusions The ABC is the first self-report that measures patient expectations about the benefits of treatment on everyday functioning, filling an important gap in available assessments of attitudes and expectations about treatment. The ABC is simple, easy to use, and has acceptable psychometric properties for use in research or clinical settings.

Original languageEnglish (US)
Pages (from-to)955-965
Number of pages11
JournalPsychological Medicine
Volume40
Issue number6
DOIs
StatePublished - Jun 2010

Keywords

  • Attitudes
  • Benefit of treatment
  • Bipolar
  • Depression
  • Outcome expectancies
  • Predisposing
  • Psychometrics
  • Schizophrenia

ASJC Scopus subject areas

  • Applied Psychology
  • Psychiatry and Mental health

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