The effect of complex workplace dietary interventions on employees' dietary intakes, nutrition knowledge and health status: a cluster controlled trial

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dc.contributor.authorGeaney, Fiona
dc.contributor.authorKelly, Clare
dc.contributor.authorScotto Di Marrazzo, Jessica
dc.contributor.authorHarrington, Janas M.
dc.contributor.authorFitzgerald, Anthony P.
dc.contributor.authorGreiner, Birgit A.
dc.contributor.authorPerry, Ivan J.
dc.contributor.funderHealth Research Boarden
dc.contributor.funderIrish Heart Foundationen
dc.contributor.funderDepartment of Agriculture, Food and the Marineen
dc.date.accessioned2019-06-12T11:39:41Z
dc.date.available2019-06-12T11:39:41Z
dc.date.issued2016-05-18
dc.date.updated2019-06-12T11:32:19Z
dc.description.abstractBackground: Evidence on effective workplace dietary interventions is limited. The comparative effectiveness of a workplace environmental dietary modification and an educational intervention both alone and in combination was assessed versus a control workplace on employees' dietary intakes, nutrition knowledge and health status. Methods: In the Food Choice at Work cluster controlled trial, four large, purposively selected manufacturing workplaces in Ireland were allocated to control (N = 111), nutrition education (Education) (N = 226), environmental dietary modification (Environment) (N = 113) and nutrition education and environmental dietary modification (Combined) (N = 400) in 2013. Nutrition education included group presentations, individual consultations and detailed nutrition information. Environmental dietary modification included menu modification, fruit price discounts, strategic positioning of healthier alternatives and portion size control. Data on dietary intakes, nutrition knowledge and health status were obtained at baseline and follow-up at 7–9 months. Multivariate analysis of covariance compared changes across the four groups with adjustment for age, gender, educational status and other baseline characteristics. Results: Follow-up data at 7–9 months were obtained for 541 employees (64% of 850 recruited) aged 18–64 years: control: 70 (63%), Education: 113 (50%), Environment: 74 (65%) and Combined: 284 (71%). There were significant positive changes in intakes of saturated fat (p = 0.013), salt (p = 0.010) and nutrition knowledge (p = 0.034) between baseline and follow-up in the combined intervention versus the control. Small but significant changes in BMI (− 1.2 kg/m2 (95% CI − 2.385, − 0.018, p = 0.047) were observed in the combined intervention. Effects in the education and environment alone workplaces were smaller and generally non-significant. Conclusion: Combining nutrition education and environmental dietary modification may be an effective approach for promoting a healthy diet and weight loss at work.en
dc.description.sponsorshipHealth Research Board (Centre for Health & Diet Research grant (HRC2007/13)); Irish Heart Foundation (student and research bursaries)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGeaney, F., Kelly, C., Scotto Di Marrazzo, J., Harrington, J. M., Fitzgerald, A. P., Greiner, B.A. and Perry, I. J. (2016) 'The effect of complex workplace dietary interventions on employees' dietary intakes, nutrition knowledge and health status: a cluster controlled trial', Preventive Medicine, 89, pp. 76-83. doi: 10.1016/j.ypmed.2016.05.005en
dc.identifier.doi10.1016/j.ypmed.2016.05.005en
dc.identifier.endpage83en
dc.identifier.issn0091-7435
dc.identifier.journaltitlePreventive Medicineen
dc.identifier.startpage76en
dc.identifier.urihttps://hdl.handle.net/10468/8051
dc.identifier.volume89en
dc.language.isoenen
dc.publisherElsevier Inc.en
dc.relation.urihttp://www.ncbi.nlm.nih.gov/pubmed/27208667http://www.ncbi.nlm.nih.gov/pubmed/27208667
dc.rights© 2016, Elsevier Inc. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectDietary interventionen
dc.subjectNutrition educationen
dc.subjectWorkplaceen
dc.subjectDietary intakesen
dc.subjectNutrition knowledgeen
dc.subjectHealth statusen
dc.titleThe effect of complex workplace dietary interventions on employees' dietary intakes, nutrition knowledge and health status: a cluster controlled trialen
dc.typeArticle (peer-reviewed)en
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