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Monitoring treatment fidelity in a randomized controlled trial of a complex intervention.

Abstract：

AIM:This paper is a report of a study to describe how treatment fidelity is being enhanced and monitored, using a model from the National Institutes of Health Behavior Change Consortium. BACKGROUND:The objective of treatment fidelity is to minimize errors in interpreting research trial outcomes, and to ascribe those outcomes directly to the intervention at hand. Treatment fidelity procedures are included in trials of complex interventions to account for inferences made from study outcomes. Monitoring treatment fidelity can help improve study design, maximize reliability of results, increase statistical power, determine whether theory-based interventions are responsible for observed changes, and inform the research dissemination process. METHODS:Treatment fidelity recommendations from the Behavior Change Consortium were applied to the SPHERE study (Secondary Prevention of Heart DiseasE in GeneRal PracticE), a randomized controlled trial of a complex intervention. Procedures to enhance and monitor intervention implementation included standardizing training sessions, observing intervention consultations, structuring patient recall systems, and using written practice and patient care plans. The research nurse plays an important role in monitoring intervention implementation. FINDINGS:Several methods of applying treatment fidelity procedures to monitoring interventions are possible. The procedure used may be determined by availability of appropriate personnel, fiscal constraints, or time limits. Complex interventions are not straightforward and necessitate a monitoring process at trial stage. CONCLUSION:The Behavior Change Consortium's model of treatment fidelity is useful for structuring a system to monitor the implementation of a complex intervention, and helps to increase the reliability and validity of evaluation findings.

journal_name

J Adv Nurs

journal_title

Journal of advanced nursing

authors

Spillane V,Byrne MC,Byrne M,Leathem CS,O'Malley M,Cupples ME

doi

10.1111/j.1365-2648.2007.04386.x

subject

Has Abstract

pub_date

2007-11-01 00:00:00

pages

343-52

issue

eissn

0309-2402

issn

1365-2648

pii

JAN4386

journal_volume

pub_type

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Monitoring treatment fidelity in a randomized controlled trial of a complex intervention.