A meta-analysis of the relation between therapeutic alliance and treatment outcome in eating disorders

Tiffany A. Graves, Nassim Tabri, Heather Thompson-Brenner, Debra L. Franko, Kamryn T. Eddy, Stephanie Bourion-Bedes, Amy Brown, Michael J. Constantino, Christoph Flückiger, Sarah Forsberg, Leanna Isserlin, Jennifer Couturier, Gunilla Paulson Karlsson, Johannes Mander, Martin Teufel, James E. Mitchell, Ross D. Crosby, Claudia Prestano, Dana A. Satir, Susan SimpsonRichard Sly, J. Hubert Lacey, Colleen Stiles-Shields, Giorgio A. Tasca, Glenn Waller, Shannon L. Zaitsoff, Renee Dawn Rienecke, Daniel Le Grange, Jennifer J. Thomas*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

60 Scopus citations

Abstract

The therapeutic alliance has demonstrated an association with favorable psychotherapeutic outcomes in the treatment of eating disorders (EDs). However, questions remain about the inter-relationships between early alliance, early symptom improvement, and treatment outcome. We conducted a meta-analysis on the relations among these constructs, and possible moderators of these relations, in psychosocial treatments for EDs. Twenty studies met inclusion criteria and supplied sufficient supplementary data. Results revealed small-to-moderate effect sizes, βs = 0.13 to 0.22 (p <.05), indicating that early symptom improvement was related to subsequent alliance quality and that alliance ratings also were related to subsequent symptom reduction. The relationship between early alliance and treatment outcome was partially accounted for by early symptom improvement. With regard to moderators, early alliance showed weaker associations with outcome in therapies with a strong behavioral component relative to nonbehavioral therapies. However, alliance showed stronger relations to outcome for younger (vs. older) patients, over and above the variance shared with early symptom improvement. In sum, early symptom reduction enhances therapeutic alliance and treatment outcome in EDs, but early alliance may require specific attention for younger patients and for those receiving nonbehaviorally oriented treatments.

Original languageEnglish (US)
Pages (from-to)323-340
Number of pages18
JournalInternational Journal of Eating Disorders
Volume50
Issue number4
DOIs
StatePublished - Apr 1 2017

Keywords

  • eating disorder
  • meta-analysis
  • therapeutic alliance
  • treatment outcome

ASJC Scopus subject areas

  • Psychiatry and Mental health

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