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Effects of promoting longer-term and exclusive breastfeeding on childhood eating attitudes: a cluster-randomized trial.

ABSTRACT: Observational studies suggest that breastfeeding benefits later maternal child-feeding practices, which in turn may contribute to positive eating attitudes. We investigated the effect of a randomized intervention to increase duration and exclusivity of breastfeeding on pre-adolescent eating attitudes.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 (n = 16 sites), or a control intervention of continuing usual care (n = 15 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-to-treat, accounting for clustering within hospitals/clinics.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).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.

SUBMITTER: Skugarevsky O

PROVIDER: S-EPMC4121559 | biostudies-literature | 2014 Aug

REPOSITORIES: biostudies-literature

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Effects of promoting longer-term and exclusive breastfeeding on childhood eating attitudes: a cluster-randomized trial.

Skugarevsky Oleg O Wade Kaitlin H KH Richmond Rebecca C RC Martin Richard M RM Tilling Kate K Patel Rita R Vilchuck Konstantin K Bogdanovich Natalia N Sergeichick Natalia N Davey Smith George G Gillman Matthew W MW Oken Emily E Kramer Michael S MS

International journal of epidemiology 20140404 4

<h4>Background</h4>Observational studies suggest that breastfeeding benefits later maternal child-feeding practices, which in turn may contribute to positive eating attitudes. We investigated the effect of a randomized intervention to increase duration and exclusivity of breastfeeding on pre-adolescent eating attitudes.<h4>Methods</h4>Long-term follow-up of the Promotion of Breastfeeding Intervention Trial (PROBIT), a cluster-randomized trial in 31 maternity hospitals and affiliated polyclinics ...[more]

PMID: 24706729

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Project description:The duration and exclusivity of breastfeeding in infancy have been inversely associated with future cardiometabolic risk. We investigated the effects of an experimental intervention to promote increased duration of exclusive breastfeeding on cardiometabolic risk factors in childhood.We followed-up children in the Promotion of Breastfeeding Intervention Trial, a cluster-randomized trial of a breastfeeding promotion intervention based on the World Health Organization/United Nations Children's Fund Baby-Friendly Hospital Initiative. In 1996 to 1997, 17 046 breastfeeding mother-infant pairs were enrolled from 31 Belarusian maternity hospitals and affiliated polyclinics (16 intervention versus 15 control sites); 13 879 (81.4%) children were followed up at 11.5 years, with 13 616 (79.9%) who had fasted and did not have diabetes mellitus. The outcomes were blood pressure; fasting insulin, adiponectin, glucose, and apolipoprotein A1; and the presence of metabolic syndrome. Analysis was by intention to treat, accounting for clustering within hospitals/clinics. The intervention substantially increased breastfeeding duration and exclusivity in comparison with the control arm (43% versus 6% and 7.9% versus 0.6% exclusively breastfed at 3 and 6 months, respectively). Cluster-adjusted mean differences at 11.5 years between experimental versus control groups were as follows: 1.0 mm Hg (95% confidence interval, -1.1 to 3.1) for systolic and 0.8 mm Hg (-0.6 to 2.3) for diastolic blood pressure; -0.1 mmol/L (-0.2 to 0.1) for glucose; 8% (-3% to 34%) for insulin; -0.3 ?g/mL (-1.5 to 0.9) for adiponectin; and 0.0 g/L (-0.1 to 0.1) for apolipoprotein A1. The cluster-adjusted odds ratio for metabolic syndrome, comparing experimental versus control groups, was 1.21 (0.85 to 1.72).An intervention to improve breastfeeding duration and exclusivity among healthy term infants did not influence cardiometabolic risk factors in childhood.Current Controlled Trials: ISRCTN37687716 (http://www.controlled-trials.com/ISRCTN37687716). URL: http://clinicaltrials.gov. Unique identifier: NCT01561612.

Project description:Purpose:Breastfeeding may influence early visual development. We examined whether an intervention to promote increased duration and exclusivity of breastfeeding improves visual outcomes at 16 years of age. Methods:Follow-up of a cluster-randomized trial in 31 Belarusian maternity hospitals/polyclinics randomized to receive a breastfeeding promotion intervention, or usual care, where 46% vs. 3% were exclusively breastfed at 3 months respectively. Low vision in either eye was defined as unaided logMAR vision of ?0.3 or worse (equivalent to Snellen 20/40) and was used as the primary outcome. Open-field autorefraction in a subset (n = 963) suggested that 84% of those with low vision were myopic. Primary analysis was based on modified intention-to-treat, accounting for clustering within hospitals/clinics. Observational analyses also examined the effect of breastfeeding duration and exclusivity, as well as other sociodemographic and environmental determinants of low vision. Results:A total of 13,392 of 17,046 (79%) participants were followed up at 16 years. Low vision prevalence was 19.6% (95% confidence interval [CI]: 17.5, 22.0%) in the experimental group versus 21.6% (19.5, 23.8%) in the control group. Cluster-adjusted odds ratio (OR) of low vision associated with the intervention was 0.92 (95% CI: 0.73, 1.16); 0.88 (95% CI: 0.74, 1.05) after adjustment for parental and early life factors. In observational analyses, breastfeeding duration and exclusivity had no significant effect on low vision. However, maternal age at birth (OR: 1.13, 95% CI: 1.07, 1.14/5-year increase) and urban versus rural residence were associated with increased risk of low vision. Lower parental education, number of older siblings was associated with a lower risk of low vision; boys had lower risk compared with girls (0.64, 95% CI: 0.59,0.70). Conclusions:Exclusive breastfeeding promotion had no significant effect on visual outcomes in this study, but other environmental factors showed strong associations. (ClinicalTrials.gov number, NCT01561612.).

Project description:Importance:Evidence that breastfeeding reduces child obesity risk and lowers blood pressure (BP) is based on potentially confounded observational studies. Objective:To investigate the effects of a breastfeeding promotion intervention on adiposity and BP at age 16 years and on longitudinal growth trajectories from birth. Design, Setting, and Participants:Cluster-randomized Promotion of Breastfeeding Intervention Trial. Belarusian maternity hospitals and affiliated polyclinics (the clusters) were allocated into intervention (n?=?16) or control arms (n?=?15) in 1996 and 1997. The trial participants were 17?046 breastfeeding mother-infant pairs; of these, 13?557 children (79.5%) were followed up at 16 years of age between September 2012 and July 2015. Interventions:Breastfeeding promotion, modeled on the Baby-Friendly Hospital Initiative. Main Outcomes and Measures:Body mass index (BMI, calculated as weight in kilograms divided by height in meters squared); fat and fat-free mass indices and percentage of body fat from bioimpedance; waist circumference; overweight and obesity; height; BP; and longitudinal growth trajectories. The primary analysis was modified intention-to-treat (without imputation for losses to follow-up) accounting for within-clinic clustering. Results:We examined 13?557 children at a median age of 16.2 years (48.5% were girls). The intervention substantially increased breastfeeding duration and exclusivity compared with the control arm (exclusively breastfed: 45% vs 6% at 3 months, respectively). Mean differences at 16 years between intervention and control groups were 0.21 (95% CI, 0.06-0.36) for BMI; 0.21 kg/m2 (95% CI, -0.03 to 0.44) for fat mass index; 0.00 kg/m2 (95% CI, -0.21 to 0.22) for fat-free mass index; 0.71% (95% CI, -0.32 to 1.74) for percentage body fat; -0.73 cm (-2.48 to 1.02) for waist circumference; 0.05 cm (95% CI, -0.85 to 0.94) for height; -0.54 mm Hg (95% CI, -2.40 to 1.31) for systolic BP; and 0.71 mm Hg (95% CI, -0.68 to 2.10) for diastolic BP. The odds ratio for overweight/obesity (BMI ?85th percentile vs <85th percentile) was 1.14 (95% CI, 1.02-1.28) and the odds ratio for obesity (BMI ?95th percentile vs <95th percentile) was 1.09 (95% CI, 0.92-1.29). The intervention resulted in a more rapid rate of gain in postinfancy height (1 to 2.8 years), weight (2.8 to 14.5 years), and BMI (2.8 to 8.5 years) compared with the control arm. The intervention had little effect on BMI z score changes after 8.5 years. Conclusions and Relevance:A randomized intervention that increased the duration and exclusivity of breastfeeding was not associated with lowered adolescent obesity risk or BP. On the contrary, the prevalence of overweight/obesity was higher in the intervention arm. All mothers initiated breastfeeding, so findings may not apply to comparisons of the effects of breastfeeding vs formula feeding. Trial Registration:isrctn.org: ISRCTN37687716; and clinicaltrials.gov: NCT01561612.

Project description:BackgroundThe rates of exclusive breastfeeding at 6 months in Spain are far from recommended by the World Health Organization, which is 50% by 2025. Evidence of the effectiveness of group interventions in late postpartum is limited. The objective of this study was to evaluate the effectiveness of the PROLACT group educational intervention for increasing the proportion of mother-child dyads with exclusive breastfeeding at 6 months compared to the usual practice in primary care.MethodMulticentre cluster randomized clinical trial. A total of 434 mother-child dyads who breastfed exclusively in the first 4 weeks of the children's life and agreed to participate were included. The main outcome was exclusive breastfeeding at 6 months. Secondary variables were type of breastfeeding, reasons for abandonment, degree of adherence and satisfaction with the intervention. To study the effectiveness, the difference in the proportions of dyads with exclusive breastfeeding at 6 months was calculated, and the relative risk (RR) and number needed to treat (NNT) were calculated with their 95% CIs. To study the factors associated with the maintenance of exclusive breastfeeding at 6 months, a multilevel logistic regression model was fitted. All analyses were performed to intention to treat.ResultsThe percentage of dyads with exclusive breastfeeding at 6 months was 22.4% in the intervention group and 8.8% in the control group. PROLACT intervention obtained an RR =2.53 (95% CI: 1.54-4.15) and an NNT = 7 (95%CI: 5-14). The factors associated with exclusive breastfeeding at 6 months were the PROLACT intervention, OR = 3.51 (95%CI: 1.55-7.93); age > 39 years, OR = 2.79 (95%CI: 1.02-7.6); previous breastfeeding experience, OR = 2.61 (95%CI: 1.29-5.29); income between 500 and 833.33 €, OR = 3.52 (95%CI 1.47-8.47).); planning to start work before the infant was 6 months old, OR = 0.35 (0.19-0.63) .ConclusionsThe PROLACT intervention in primary care is more effective than the usual practice for maintaining exclusive breastfeeding at 6 months, and can therefore be considered evidence-based practice for implementation in standard practice.Trial registrationThe trial was registered with ClinicalTrials.gov under code number NCT01869920 (03/06/2013).

Project description:BackgroundFathers' involvement is crucial for promoting breastfeeding. There are a few studies on the effectiveness of fathers' educational programs to promote exclusive breastfeeding. This study aims to assess the effectiveness of a fathers' educational program on their support for breastfeeding, mothers' breastfeeding practice, and exclusive breastfeeding status.MethodsThis was a randomized controlled trial on 76 fathers who were randomly assigned to two groups of intervention and control, in a selected health center in Iran, 2018. The tools for data collection were: 1) a questionnaire for "Demographic and Maternal-Infant Information"; 2) a questionnaire to assess "Fathers' support for Breastfeeding", and 3) an observational checklist to assess "Mothers' Breastfeeding Practice"; and 4) a questionnaire to assess "Exclusive Breastfeeding Status". The questionnaires were filled up through an interview. The checklist was completed through observation by the researcher. The fathers (with the mothers) of the intervention group were educated using individual face-to-face education and counseling, in two sessions, with the duration of about 40 min and one-week interval, whereas, the fathers of the control group did not receive any education and only mothers were educated with the same instruction. The content of the education was: fathers' education about "benefits of breast milk" and "the supporting ways for breastfeeding including the women encouragement". Then, the scores of "father's support for breastfeeding", "mothers' breastfeeding practice" and "exclusive breastfeeding status" were compared before and after 4 months of intervention in each group, and also between groups. Data were analyzed using SPPS-23, and t- and paired-tests, Chi-square, and Generalized-Estimating-Equations (GEE) tests.ResultsThe results showed two groups were not significantly different regarding the demographic and any other possible confounding variables before the intervention (P < 0.05). The before and after comparisons also demonstrated significant improvements in the two variables including "father's support for breastfeeding", and "mothers' breastfeeding practice after 4 months, in the intervention group (Paired t-test: P<0.001 and P<0.0001, respectively) however, there was a significant decrease in "father's support for breastfeeding" and no improvement in "mothers' breastfeeding practice" after 4 months in the control group (Paired t-test: P < 0.001 and P = 0.07, respectively). Between groups comparison showed also significant higher scores for "father's support for breastfeeding", "mothers' breastfeeding practice" and "exclusive breastfeeding status\" in the intervention group comparing to the control group, after 4 months (T-test: P < 0.001 and P < 0.0001; Chi2: P < 0.001, respectively). The interaction effects of time and group were significant in the GEE test for the fathers' support for breastfeeding (B-group = 31.93, B-time = 22.15, p < 0.001) and mothers' breastfeeding practice (B-group = 26.32, B-time = 12.86, p < 0.0).ConclusionThe results showed that the father's education improves mothers' breastfeeding practice and increases the rate and continuity of exclusive breastfeeding.Trial registrationIRCT201508248801N10. "31/08/2016".

Dataset Information

Effects of promoting longer-term and exclusive breastfeeding on childhood eating attitudes: a cluster-randomized trial.

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Effects of promoting longer-term and exclusive breastfeeding on childhood eating attitudes: a cluster-randomized trial.

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