Белорусская Психиатрическая Ассоциация- Опубликовано: 25 апреля 2014
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Oleg Skugarevsky,1 Kaitlin H Wade,2,3 Rebecca C Richmond,2,3 Richard M Martin,2,3,4 Kate Tilling,2 Rita Patel,2 Konstantin Vilchuck,5 Natalia Bogdanovich,5 Natalia Sergeichick,5 George Davey Smith,2,3 MatthewWGillman,6 Emily Oken6 and Michael S Kramer7
1Psychiatry and Medical Psychology Department, Belarusian State Medical University, Minsk, Belarus, 2School of Social and Community Medicine, University of Bristol, Bristol, UK, 3Medical Research Council / University of Bristol Integrated Epidemiology Unit, University of Bristol, Bristol, UK, 4University of Bristol / University Hospitals Bristol NHS Foundation Trust National Institute for Health Research Bristol Nutrition Biomedical Research Unit, University of Bristol, Bristol, UK, 5National Research and Applied Medicine Mother and Child Centre, Minsk, Belarus, 6Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA and 7Department of Pediatrics and of Epidemiology, Biostatistics and Occupational Health, McGill University Faculty of Medicine, Montreal, Quebec, Canada
Abstract
Background: Observational studies suggest that breastfeeding benefits later maternal child-feeding practices, which in turn may contribute to positive eating ttitudes. We investigated the effect of a randomized intervention to increase duration and exclusivity of breastfeeding on pre-adolescent eating attitudes.
Methods: Long-term follow-up of the Promotion of Breastfeeding Intervention Trial (PROBIT), a cluster-randomized trial in 31 maternity hospitals and affiliated polyclinics in Belarus. Sites were randomly assigned an experimental intervention to promote longer duration and exclusivity of breastfeeding in mothers who initiated breastfeeding (n¼16 sites), or a control intervention of continuing usual care (n¼15 sites); 17 046 healthy infants were enrolled in 1996–7, of whom 13 751 (80.7%) completed the Children’s Eating Attitude Test (ChEAT) at 11.5 years of age. A ChEAT score 22.5 (85th percentile) was used as an indicator of problematic eating attitudes. Analysis was based on intention-totreat, accounting for clustering within hospitals/clinics.
Results: Compared with the control arm, the experimental intervention substantially increased breastfeeding exclusivity (43.3% vs 6.4% exclusively breastfed at 3 months of age) and duration of any breastfeeding throughout infancy. The proportion of children with ChEAT scores 22.5 was lower in the experimental than control arm (boys 11.4% vs 17.2%; girls 18.5% vs 23.4%) [cluster-adjusted odds ratio (OR), boys: 0.44; 95% confidence interval (CI): 0.21,0.93; girls: 0.51; 95% CI: 0.27,0.99). Results were robust to adjustment for potential confounders and using a ChEAT score 25.5 (91st percentile) as the outcome (OR: 0.53; 95% CI: 0.28,1.03).
Conclusions: An intervention to improve the duration and exclusivity of breastfeeding among term infants in Belarus was associated with a reduction in problematic eating attitudes at 11.5 years of age.
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