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Predictors of postpartum weight change among overweight and obese women: results from the Active Mothers Postpartum study.

ABSTRACT: The postpartum period may be critical for the development of midlife obesity. Identifying factors associated with postpartum weight change could aid in targeting women for healthy lifestyle interventions.Data from Active Mothers Postpartum (AMP), a study of overweight and obese postpartum women (n=450), were analyzed to determine the effect of baseline characteristics, breastfeeding, diet, physical activity, and contraception on weight change from 6 weeks to 12, 18, and 24 months postpartum. The repeated measures mixed model was used to test the association of these effects with weight change.Although mean weight loss was modest (0.49 kg by 24 months), the range of weight change was striking (+21.5 kg to -24.5 kg, standard deviation [SD] 7.4). Controlling only for baseline weight, weight loss was associated with breastfeeding, hormonal contraception, lower junk food and greater healthy food intake, and greater physical activity. Only junk food intake and physical activity were significant after controlling for all other predictors.Eating less healthy foods and being less physically active put overweight and obese women at risk of gaining more weight after a pregnancy.

SUBMITTER: Ostbye T

PROVIDER: S-EPMC3525888 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature

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Predictors of postpartum weight change among overweight and obese women: results from the Active Mothers Postpartum study.

Østbye Truls T Peterson Bercedis L BL Krause Katrina M KM Swamy Geeta K GK Lovelady Cheryl A CA

Journal of women's health (2002) 20111117 2

<h4>Background</h4>The postpartum period may be critical for the development of midlife obesity. Identifying factors associated with postpartum weight change could aid in targeting women for healthy lifestyle interventions.<h4>Methods</h4>Data from Active Mothers Postpartum (AMP), a study of overweight and obese postpartum women (n=450), were analyzed to determine the effect of baseline characteristics, breastfeeding, diet, physical activity, and contraception on weight change from 6 weeks to 12 ...[more]

PMID: 22092110

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Project description:BackgroundOverweight and obesity amongst women of reproductive age are increasingly common in developed economies and are shown to adversely affect birth outcomes and both childhood and adulthood health risks in the offspring. Metabolic profiling in conditions of overweight and obesity in pregnancy could potentially be applied to elucidate the molecular basis of the adverse effects of gestational weight gain (GWG) and postpartum weight loss (WL) on future risks for cardiovascular disease (CVD) and other chronic diseases.MethodsBiofluid samples were collected from 114 ethnically diverse pregnant women with body mass index (BMI) between 25 and 40 kg/m2 from Chicago (US), as part of a randomized lifestyle intervention trial (Maternal Offspring Metabolics: Family Intervention Trial; NCT01631747). At 15 weeks, 35 weeks of gestation, and at 1 year postpartum, the blood plasma lipidome and metabolic profile of urine samples were analyzed by liquid chromatography mass spectrometry (LC-MS) and 1H nuclear magnetic resonance spectroscopy (1H NMR) respectively.ResultsUrinary 4-deoxyerythronic acid and 4-deoxythreonic acid were found to be positively correlated to BMI. Seventeen plasma lipids were found to be associated with GWG and 16 lipids were found to be associated with WL, which included phosphatidylinositols (PI), phosphatidylcholines (PC), lysophospholipids (lyso-), sphingomyelins (SM) and ether phosphatidylcholine (PC-O). Three phospholipids found to be positively associated with GWG all contained palmitate side-chains, and amongst the 14 lipids that were negatively associated with GWG, seven were PC-O. Six of eight lipids found to be negatively associated with WL contained an 18:2 fatty acid side-chain.ConclusionsMaternal obesity was associated with characteristic urine and plasma metabolic phenotypes, and phospholipid profile was found to be associated with both GWG and postpartum WL in metabolically healthy pregnant women with overweight/obesity. Postpartum WL may be linked to the reduction in the intake of linoleic acid/conjugated linoleic acid food sources in our study population.

Project description:BACKGROUND:Mothers In Motion (MIM), a community-based lifestyle behavioral intervention, was designed and conducted to help low-income overweight and obese young mothers prevent further weight gain via promotion of stress management, healthy eating, and physical activity. This paper presents intervention effect on body weight (primary outcome) and summarizes lessons learned. METHODS:Participants (N?=?612) were recruited from 7 Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) offices in Michigan and were individually randomized to an intervention n=?410) or a comparison (n?=202) group (2: 1 ratio). During the 16-week intervention, intervention participants watched theory-based culturally sensitive videos (in DVD format) featuring peers from the target audience to learn skills for managing stress, eating healthier, and being more physically active. They also dialed into peer support group teleconferences to enhance skills learned in the videos and increase motivation for lifestyle behavioral changes. Body weight, the primary outcome, was measured at baseline, immediately after the 16-week intervention, and 3 months after the 16-week intervention. Intervention effect was tested via general linear mixed model for repeated measures, using baseline measures as adjusting covariates. RESULTS:At baseline, the mean age of the participants was 28.5?±?5.0 years (intervention: 28.4?±?5.0, comparison: 28.9?±?5.0); the mean body weight was 190.2?±?1.4 lbs (intervention: 191.8?±?30.0, comparison: 188.5?±?29.1); and the mean body mass index (BMI) was 32.2?±?4.4 (intervention: 32.2?±?4.4, comparison: 31.7?±?4.2). Of sample, 64.7% were obese. At 3 months after the 16-week intervention, no significant weight differences were found between the intervention (188.3?±?10.6 lbs, BMI: 31.6?±?1.8) and comparison groups (187.7?±?10.6 lbs, BMI: 31.53?±?1.8) when controlling for baseline body weight. CONCLUSIONS:This lifestyle behavioral intervention that focused on stress management, healthy eating and physical activity was not effective in helping low-income overweight and obese young mothers prevent further weight gain. TRIAL REGISTRATION:Clinical Trials NCT01839708 . This trial was registered retrospectively on February 28, 2013.

Dataset Information

Predictors of postpartum weight change among overweight and obese women: results from the Active Mothers Postpartum study.

Publications

Predictors of postpartum weight change among overweight and obese women: results from the Active Mothers Postpartum study.

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