Healthy feeding habits: efficacy results from a cluster-randomized, controlled exploratory trial of a novel, habit-based intervention with parents.

Auteur(s) :
Wardle J., Gardner B., Mcgowan L., Cooke LJ., Beeken RJ., Croker H.
Date :
Sep, 2013
Source(s) :
The American journal of clinical nutrition., Am J Clin Nutr.. #98:3 p769-777
Adresse :
Department of Epidemiology and Public Health, University College London, United Kingdom.

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BACKGROUND
As dietary gatekeepers for young children, parents are often the proximal target of family-based dietary interventions. Habit theory offers a novel approach to modifying parental feeding, based on "context-dependent repetition" to promote automatic responding and to reduce decisional conflict.

OBJECTIVE
This exploratory trial evaluated an intervention promoting habit formation for 3 parental feeding behaviors: serving fruit/vegetables, serving healthy snacks, and serving nonsweetened drinks. The primary outcome was parental habit strength for each behavior. The secondary outcome was children's food intake.

DESIGN
Parents of children aged 2-6 y (n = 126) were recruited from 6 children's centers in London and cluster-randomized to intervention (n = 3) or no-treatment control (n = 3) conditions. Parents in the intervention group (n = 58) received training on habit formation for 3 feeding behaviors; control participants (n = 68) were asked only to complete the measures. At baseline and after treatment, parents completed validated measures of subjective "automaticity" for feeding behaviors and a brief child food-frequency measure. Parents in the intervention group were interviewed about the program. The change between groups, after clustering was controlled for, was analyzed.

RESULTS
For all parental feeding behaviors, automaticity increased more in the intervention group than in the control group (P < 0.01 for all). Significant intervention effects on children's intake of vegetables (P = 0.003), healthy snacks (P = 0.009), and water (P = 0.032) were observed. Changes in children's food intake correlated with changes in parental automaticity of feeding behaviors, and program acceptability was high.

CONCLUSIONS
A habit-based intervention successfully modified parental feeding behaviors, affected children's diets positively, and was well received by parents. Habit theory provides a promising new tool to support family-based obesity prevention.

Source : Pubmed
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