Dataset Information

Ripple Effect of Lifestyle Interventions During Pregnancy on Untreated Partners' Weight.

ABSTRACT:

Objective

Weight-loss interventions have a positive "ripple effect" on untreated partners' weight, but ripple effects in pregnancy are unknown. The objective of this study was to determine whether prenatal lifestyle interventions that reduce gestational weight gain in pregnant women have a positive ripple effect on untreated partners' weight.

Methods

Two clinical trials with the same outcome measures randomly assigned pregnant women to a lifestyle intervention or usual care. Untreated partners were randomly assigned according to their pregnant partner's group allocation and were assessed at study entry (~13 weeks' gestation), 35 weeks' gestation, and 6 and 12 months after delivery.

Results

A total of 122 partners (100% male, 23% Hispanic, 82% married, and 48% with obesity) were randomly assigned to the intervention (n = 59) or usual care (n = 63). There was no intervention or intervention-by-time interaction effect on partner weight (P = 0.795). Partner weight changes were not statistically significant (P = 0.120) from study entry to 35 weeks' gestation (mean 0.19 kg; 95% CI: -0.73 to 1.24) or to 12 months after delivery (mean 0.82 kg; 95% CI: -0.26 to 1.91).

Conclusions

There was no evidence of a ripple effect on partner weight. In a self-selected sample, partners of pregnant women appeared not to experience sympathy weight gain.

SUBMITTER: Hagobian TA

PROVIDER: S-EPMC6478509 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Publications

Ripple Effect of Lifestyle Interventions During Pregnancy on Untreated Partners' Weight.

Hagobian Todd A TA Phelan Suzanne S Schaffner Andrew A Brannen Anna A McHugh Angelica A Ashby-Thompson Maxine M Gorin Amy A AA Pi-Sunyer Xavier X Gallagher Dympna D Wing Rena R

Obesity (Silver Spring, Md.) 20190408 5

<h4>Objective</h4>Weight-loss interventions have a positive "ripple effect" on untreated partners' weight, but ripple effects in pregnancy are unknown. The objective of this study was to determine whether prenatal lifestyle interventions that reduce gestational weight gain in pregnant women have a positive ripple effect on untreated partners' weight.<h4>Methods</h4>Two clinical trials with the same outcome measures randomly assigned pregnant women to a lifestyle intervention or usual care. Untre ...[more]

PMID: 30957985

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Project description:BackgroundMaternal health and lifestyle during pregnancy may be critical for the onset and progression of childhood obesity. Prenatal lifestyle interventions have been shown to positively affect maternal behaviors, gestational weight gain, and anthropometric outcomes in infants at birth. The influence of such interventions on child weight or growth beyond birth is unknown. We therefore examined the association between lifestyle interventions during pregnancy and anthropometric outcomes during childhood.MethodsA systematic literature search was conducted in three electronic databases, two clinical trial registers and further sources, without language or publication status restrictions. Additionally, 110 study authors were contacted to obtain unpublished data. Randomized controlled trials comparing any antenatal lifestyle or behavioral intervention to standard prenatal care, in women of any body mass index (BMI), with offspring anthropometric data at 1 month of age or older, were considered. Two reviewers independently extracted data and assessed the risk of bias using the Cochrane Collaboration's updated tool. Data on weight, length, and BMI, and corresponding z-scores, were stratified into six age ranges and weighted mean differences (WMD) with 95% confidence intervals (CI) were calculated in univariate and multivariate random-effects meta-analytical models.ResultsTwenty trials comprising 11,385 women were included in this systematic review, of which 19 were combined in meta-analyses. Overall, lifestyle interventions during pregnancy were not associated with differences in weight, length, BMI, or corresponding z-scores, in children aged 1?month to 7?years (e.g. weight in 5 to 6?month old children, WMD: 0.02?kg; 95% CI: -?0.05 to 0.10?kg, I2 =?38%; 13 studies, 6667 participants). Findings remained consistent when studies were stratified by maternal baseline BMI or other risk factors, and intervention content and duration. Based on the GRADE criteria, the strength of the body of evidence was considered moderate.ConclusionPrenatal lifestyle interventions were not shown to influence childhood weight or growth. Nevertheless, women should be encouraged to pursue a healthy lifestyle during pregnancy. Further efforts to establish early prevention strategies for childhood obesity are urgently needed. Thus, large, high-quality studies with pre-planned, long-term follow-ups are warranted.Trial registrationPROSPERO CRD42018118678 .

Project description:BackgroundOne of the major challenges in obesity treatment is to explain the high variability in the individual's response to specific dietary and physical activity interventions. With this study, we tested the hypothesis that specific DNA methylation changes reflect individual responsiveness to lifestyle intervention and may serve as epigenetic predictors for a successful weight-loss.MethodsWe conducted an explorative genome-wide DNA methylation analysis in blood samples from 120 subjects (90% men, mean?±?SD age?=?49?±?9?years, body mass-index (BMI)?=?30.2?±?3.3?kg/m2) from the 18-month CENTRAL randomized controlled trial who underwent either Mediterranean/low-carbohydrate or low-fat diet with or without physical activity.ResultsAnalyses comparing male subjects with the most prominent body weight-loss (responders, mean weight change -?16%) vs. non-responders (+?2.4%) (N?=?10 each) revealed significant variation in DNA methylation of several genes including LRRC27, CRISP2, and SLFN12 (all adj. P?<?1?×?10-5). Gene ontology analysis indicated that biological processes such as cell adhesion and molecular functions such as calcium ion binding could have an important role in determining the success of interventional therapies in obesity. Epigenome-wide association for relative weight-loss (%) identified 15 CpGs being negatively correlated with weight change after intervention (all combined P?<?1?×?10-?4) including new and also known obesity candidates such as NUDT3 and NCOR2. A baseline DNA methylation score better predicted successful weight-loss [area under the curve (AUC) receiver operating characteristic (ROC)?=?0.95-1.0] than predictors such as age and BMI (AUC ROC?=?0.56).ConclusionsBody weight-loss following 18-month lifestyle intervention is associated with specific methylation signatures. Moreover, methylation differences in the identified genes could serve as prognostic biomarkers to predict a successful weight-loss therapy and thus contribute to advances in patient-tailored obesity treatment.

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Dataset Information

Ripple Effect of Lifestyle Interventions During Pregnancy on Untreated Partners' Weight.

Objective

Methods

Results

Conclusions

Publications

Ripple Effect of Lifestyle Interventions During Pregnancy on Untreated Partners' Weight.

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