Core Outcome Measures in Effectiveness Trials

Development of an infant feeding core outcome set for childhood obesity prevention interventions

General Information

Infant feeding practices are implicated in the aetiology of childhood obesity. Although infant feeding interventions for childhood obesity prevention are increasingly examined, outcome reporting is inconsistent across trials. Lack of standardisation limits examination of intervention effects and mechanisms of change. The aim of the current project is to develop an infant feeding core outcome set (COS) for childhood obesity prevention intervention trials.


Karen Matvienko-Sikar (Principal investigator)
Molly Byrne
Elaine Toomey
Marita Hennessy
Caroline Heary
Janas Harrington
Niamh McGrath
Colette Kelly
Michelle Queally
Patricia Kearney

Further Study Information

Current Stage:
January 2017 - December 2017
Funding source(s):
This project is directly supported by an Irish Research Council New Foundations Award. This work is also supported by a Health Research Board Interdisciplinary Capacity Enhancement Award. The funding bodies had no role in the design of the study or in writing the protocol manuscript.

Health Area

Disease Category
Child health

Disease Name
Feeding the infant

Target Population

Age Range
0 - 1


Nature / type of Intervention
Diet and nutrition


Consensus meeting
Delphi process
Nominal group technique (NGT)
Semi structured discussion
Systematic review

The COS will be developed in four stages: (1) a systematic review of the literature, (2) discussion and clarification of outcomes in a meeting involving multiple stakeholder perspectives, (3) Prioritisation of outcomes using the Delphi technique with an expert panel of stakeholders, (4) achieving consensus on the COS using the Nominal Group Technique consensus meeting.

Stakeholders Involved

Clinical experts
Consumers (caregivers)
Service providers
Service users

Study Type

COS for clinical trials or clinical research
COS for practice

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