Mediators of lifestyle behaviour changes in obese pregnant women. Secondary analyses from the DALI lifestyle randomised controlled trial
van Poppel, M. N. M. (Vrije Universiteit Amsterdam)
Jelsma, Judith G. M. (Vrije Universiteit Amsterdam)
Simmons, David (Western Sydney University)
Devlieger, Roland (University Hospitals Leuven (Bèlgica))
Jans, G. (University Hospitals Leuven (Bèlgica))
Galjaard, Sander (University Medical Centre Rotterdam)
Corcoy i Pla, Rosa (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina)
Adelantado, Juan M.. (Institut d'Investigació Biomèdica Sant Pau)
Dunne, Fidelma (National University of Ireland. Galway Diabetes Research Centre (GDRC))
Harreiter, Jürgen (Medical University of Vienna)
Kautzky-Willer, A. (Medical University of Vienna)
Damm, Peter (University of Copenhagen)
Mathiesen, E. R. (University of Copenhagen)
Jensen, D. M. (University of Southern Denmark. Department of Clinical Research)
Andersen, Lise-Lotte (University of Southern Denmark. Department of Clinical Research)
Tanvig, Mette (University of Southern Denmark. Department of Clinical Research)
Lapolla, Annunziata (Università degli Studi di Padova. Department of Medical and Surgical Sciences)
Dalfra, Maria Grazia (Università degli Studi di Padova. Department of Medical and Surgical Sciences)
Bertolotto, Alessandra (University of Pisa. Department of Clinical and Experimental Medicine)
Wender-Ozegowska, E. (Poznan University of Medical Sciences. Department of Reproduction)
Zawiejska, Agnieszka (Poznań University of Medical Sciences. Department of Reproduction)
Hill, David J. (Lawson Health Research Institute)
Desoye, Gernot (Medical University of Graz. Department of Obstetrics and Gynaecology)
J. Snoek, F. (Amsterdam UMC. University Medical Center)
Universitat Autònoma de Barcelona

Data:	2019
Resum:	A better understanding of what drives behaviour change in obese pregnant overweight women is needed to improve the effectiveness of lifestyle interventions in this group at risk for gestational diabetes (GDM). Therefore, we assessed which factors mediated behaviour change in the Vitamin D and Lifestyle Intervention for GDM Prevention (DALI) Lifestyle Study. A total of 436 women, with pre-pregnancy body mass index ≥29 kg/m , ≤19 + 6 weeks of gestation and without GDM, were randomised for counselling based on motivational interviewing (MI) on healthy eating and physical activity, healthy eating alone, physical activity alone, or to a usual care group. Lifestyle was measured at baseline, and at 24-28 and 35-37 weeks of gestation. Outcome expectancy, risk perception, task self-efficacy and social support were measured at those same time points and considered as possible mediators of intervention effects on lifestyle. All three interventions resulted in increased positive outcome expectancy for GDM reduction, perceived risk to the baby and increased task self-efficacy. The latter mediated intervention effects on physical activity and reduced sugared drink consumption. In conclusion, our MI intervention was successful in increasing task self-efficacy, which was related to improved health behaviours.
Nota:	Altres ajuts: The project described has received funding from the European Community's 7th Framework Programme (FP7/2007-2013) under grant agreement no. 242187. In the Netherlands, additional funding was provided by the Netherlands Organization for Health Research and Development (ZonMw) (grant no. 200310013). In Poland, additional funding was obtained from Polish Ministry of Science (grant no. 2203/7. PR/2011/2). In Denmark, additional funding was provided by the Odense University Free Research Fund. In the United Kingdom, the DALI team acknowledge the support received from the NIHR Clinical Research Network: Eastern, especially the local diabetes clinical and research teams based in Cambridge. In Spain, additional funding was provided by CAIBER 1527-B-226. The funders had no role in any aspect of the study beyond funding.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Behaviour change ; Gestational diabetes ; Lifestyle intervention ; Mediation; obesity ; Pregnancy
Publicat a:	Nutrients, Vol. 11 Núm. 2 (2019) , p. 311, ISSN 2072-6643

DOI: 10.3390/nu11020311
PMID: 30717227

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