Exploring subgroup effects by socioeconomic position of three effective school-based dietary interventions: the European TEENAGE project.

N Lien*, Leen Haerens, Saskia J. te Velde, L.A.G. Mercken, Knut-Inge Klepp, Laurence Moore, Ilse De Bourdeaudhuij, Fabrizio Faggiano, Frank J. van Lenthe

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Objectives
The aim of this study was to explore subgroup effects by high and low socioeconomic position (SEP) of three previously conducted, effective European interventions.

Methods
Reanalyses stratified by SEP were conducted by the research groups of each study. All studies were school-based: two multi-component interventions targeting intake of fat or fruit and vegetables (FV), and a free breakfast initiative.

Results
Computer-tailored advice affected fat intake among low, but not high SEP girls after 1 year. A multi-component intervention affected the total FV intake in both SEP groups, vegetable intake in low SEP and fruit intake in high SEP across three countries after 1 year, whereas free fruit affected total FV and fruit intake equally in both SEP groups in one country after 2 years. Providing a free healthy breakfast increased consumption of healthy food items only in the low SEP group.

Conclusions
Reanalysing intervention studies by SEP is a quick and easy way to explore patterns in effects by SEP across interventions. Providing healthy food might be a promising strategy for decreasing social inequalities.
Original languageEnglish
Pages (from-to)493-502
JournalJournal of Public Health
Volume59
DOIs
Publication statusPublished - 9 Nov 2013
Externally publishedYes

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