Network intervention analysis to assess the trajectory of change and treatment effects associated with the use of online guided self-help for anorexia nervosa

Alessio Maria Monteleone, Valentina Cardi*, Suman Ambwani, Giammarco Cascino, Gaia Albano, Francesca Pellegrino, Janet Treasure

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Aim: The aim of this study was to use the innovative technique of Network Intervention Analysis (NIA) to examine the trajectory of symptom change associated with the use of a digital guided self-help intervention (RecoveryMANTRA) to augment treatment as usual in adult anorexia nervosa. Methods: Self-reported eating disorder symptoms and mood (stress, anxiety and depression), work and social adjustment, motivation and treatment (Treatment as usual + RecoveryMANTRAand Treatment as usual) were included as nodes in the network and examined using NIA. Networks were computed at baseline (n = 88, 99), at end of treatment (6 weeks, n = 71, 75) and at 6- (n = 58, 63) and 12-month (n = 52, 63) follow-up. Results: RecoveryMANTRA was associated with a direct effect on anxiety, shape concern and restraint at the end of the intervention. This effect was not maintained at follow-up. There were no direct effects of RecoveryMANTRA on motivation, stress and depression. Conclusions: These findings indicate that RecoveryMANTRA exerts a direct effect on eating disorder symptoms and anxiety. NIA is a promising method to evaluate trajectories of clinical change and direct and indirect effects of a therapeutic intervention compared to a control condition.

Original languageEnglish
JournalEarly Intervention in Psychiatry
DOIs
Publication statusAccepted/In press - 2020

Keywords

  • anorexia nervosa
  • network intervention analysis
  • outcome
  • randomized clinical trial
  • treatment effects

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