title: Intervention fidelity: aspects of complementary and alternative medicine research.
abstract: BACKGROUND
  The Treatment Fidelity Workgroup (TFW) established by the National Institutes of Health provides a 5-point structure for intervention fidelity: dosing, interventionists' consistency, intervention delivery, receipt, and enactment of the intervention. Using our reflexology trial, we apply the first 3 points.
  
  
  OBJECTIVE
  Study objectives were to (1) evaluate key dosage dimensions associated with complementary and alternative medicine (CAM) research, (2) evaluate approaches to interventionists' consistency of delivery of CAM protocols, and (3) evaluate and discuss data that reflect CAM intervention fidelity.
  
  
  METHODS
  Women with late-stage breast cancer (N = 318) were randomly assigned to either 4 weeks of reflexology, placebo, or standard care.
  
  
  RESULTS
  Dosing consists of 3 dimensions: frequency (4 sessions), duration (30 minutes), and interval between sessions (5-9 days). Interventionist consistency revealed more than a 90% accuracy rate in following the protocol; 84% and 89% completion rate of the 4 sessions in the reflexology and placebo groups, respectively; and no differences in attrition after randomization between reflexology and placebo groups (17% and 15%, respectively). Intervention delivery, examined through debriefing data, indicated a significantly higher rate of correct guesses on group assignment in the reflexology group as compared with the placebo (82% vs 46%, P = .0002).
  
  
  CONCLUSIONS
  This study points out the relevance of dosing, interventionists' consistency, and delivery data within a CAM clinical trial, as well as the challenges of blinding.
  
  
  CONCLUSIONS
  Monitoring intervention fidelity by using the key areas identified by the TFW ensures that findings from a clinical trial are meaningful and have the potential to be translated to clinical practice.
authors.affiliation: College of Nursing, Michigan State University, East Lansing, MI 48824, USA. gwyatt@msu.edu
authors.forename: Gwen
authors.initials: G
authors.lastname: Wyatt
authors.forename: Alla
authors.initials: A
authors.lastname: Sikorskii
authors.forename: Mohammad Hossein
authors.initials: MH
authors.lastname: Rahbar
authors.forename: David
authors.initials: D
authors.lastname: Victorson
authors.forename: Lora
authors.initials: L
authors.lastname: Adams
mesh_terms: D001943:Breast Neoplasms / Q000451:nursing* / Q000523:psychology / Q000628:therapy; D003210:Concept Formation; D005260:Female; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D008875:Middle Aged; D016294:Models, Nursing; D011594:Psychometrics; D011788:Quality of Life; D012028:Reflexotherapy / Q000379:methods*
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