Dataset Information

Binge Eating and Weight Loss Outcomes in Individuals with Type 2 Diabetes: 4-Year Results from the Look AHEAD Study.

ABSTRACT: OBJECTIVE:This study aims to assess whether an intensive lifestyle intervention (ILI) for weight reduction precipitates binge eating (BE) and whether BE attenuates 4-year weight loss among participants with type 2 diabetes and overweight or obesity. METHODS:Participants (N?=?4,901) were from Look AHEAD, a randomized controlled trial that compared ILI to diabetes support and education (DSE). Annual assessments of measured weight and self-reported BE were used. By using the yearly time points when a person endorsed BE, participants were classified as no BE, remitted BE, incident BE, inconsistent BE (2-3 years, including baseline), and consistent BE (??4 years, including baseline). Cox regression and mixed-effects models were used for analyses. RESULTS:ILI participants were marginally more likely to report incident BE at year 4 than those in DSE (P?=?0.06). At year 4, ILI participants with remitted BE lost more weight (4.7?±?0.8%) than those with consistent BE (1.9?±?1.0%; P?=?0.03). ILI participants with no BE lost more weight (4.6?±?0.2%) than those with incident BE (3.1?±?0.6%; P?=?0.02) and consistent BE (P?=?0.01). DSE participants with remitted BE lost more weight than those with incident and consistent BE. CONCLUSIONS:Preexisting BE did not seem to be a contraindication for ILI, although persistent BE attenuated weight loss. Patients who report new or ongoing BE may need additional treatment.

SUBMITTER: Chao AM

PROVIDER: S-EPMC5678986 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Binge Eating and Weight Loss Outcomes in Individuals with Type 2 Diabetes: 4-Year Results from the Look AHEAD Study.

Chao Ariana M AM Wadden Thomas A TA Gorin Amy A AA Shaw Tronieri Jena J Pearl Rebecca L RL Bakizada Zayna M ZM Yanovski Susan Z SZ Berkowitz Robert I RI

Obesity (Silver Spring, Md.) 20171101 11

<h4>Objective</h4>This study aims to assess whether an intensive lifestyle intervention (ILI) for weight reduction precipitates binge eating (BE) and whether BE attenuates 4-year weight loss among participants with type 2 diabetes and overweight or obesity.<h4>Methods</h4>Participants (N = 4,901) were from Look AHEAD, a randomized controlled trial that compared ILI to diabetes support and education (DSE). Annual assessments of measured weight and self-reported BE were used. By using the yearly t ...[more]

PMID: 29086498

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Project description:Depressive symptoms and binge eating are both prevalent in weight management populations and may be associated with reduced benefit from behavioral weight loss, including higher attrition, more perceived barriers, lower weight loss, and increased weight regain. These two potential risk factors for poor behavioral weight loss outcomes may also be associated with each other as depressive symptoms may trigger binge eating, and binge eating-related distress could increase depressive symptoms. The depressive symptom-binge eating link has not been well studied in weight management samples, and psychological processes involved in this relationship have not yet been elucidated. Psychological flexibility, an individual's ability to be connected with and conscious of the present moment and to engage in values-consistent behavior even in the presence of difficult internal experiences, may be one psychological process that changes the depressive symptom-binge eating relationship. High psychological flexibility may be a protective factor in the association of depressive symptoms with binge eating. This study examined the relationship between depressive symptom and binge eating and a potential interactive role of psychological flexibility. Participants (N = 468, 76% female) completed self-report questionnaires of binge eating, depressive symptoms, and psychological flexibility at baseline prior to initiating behavioral weight loss. Depressive symptoms were positively associated with binge eating (B = 1.00, p < 0.001). Psychological flexibility had an interactive role (B = -0.03, p = 0.005). Among participants with minimal to mild depressive symptoms, those with higher psychological flexibility had less severe binge eating. Findings suggest that psychological flexibility may be a protective factor in the association between depressive symptoms and binge eating in the majority of individuals initiating behavioral weight loss. Psychological flexibility is a psychological process to consider targeting for enhancing efficacy of weight loss treatment, especially among individuals with minimal to mild depressive symptoms and binge eating behavior.

Project description:ObjectiveThe Action for Health in Diabetes (Look AHEAD) trial was a randomized controlled clinical trial to compare the effects of 10 years of intensive lifestyle intervention (ILI) with a control condition of diabetes support and education (DSE) on health outcomes in over 5,000 participants with type 2 diabetes. The ILI had significantly greater weight losses than DSE throughout the trial. The goal of this analysis is to describe the cost of delivering the intervention.MethodsThe ILI was designed to promote weight loss and increase physical activity. It involved a combination of group plus individual intervention sessions, with decreasing frequency of contact over the 10 years. The intervention incorporated a variety of strategies, including meal replacement products, to improve weight loss outcomes. The costs of intervention delivery were derived from staff surveys of effort and from records of intervention materials from the 16 US academic clinical trial sites. Costs were calculated from the payer perspective and presented in 2012 dollars.ResultsDuring the first year, when intervention delivery was most intensive, the annual cost of intervention delivery, averaged (standard deviation) across clinical sites, was $2,864.6 ($513.3) per ILI participant compared with $202.4 ($76.6) per DSE participant. As intervention intensity declined, costs decreased, such that from years 5 to 9 of the trial, the annual cost of intervention was $1,119.8 ($227.7) per ILI participant and $102.9 ($33.0) per DSE participant. Staffing accounted for the majority of costs throughout the trial, with meal replacements and materials to promote adherence accounting for smaller shares.ConclusionsThe sustained weight losses produced by the Look AHEAD intervention were supported by intervention costs that were within the range of other weight loss programmes. Future work will include an evaluation of the cost-effectiveness of the ILI and will contain additional follow-up data.

Project description:BackgroundLifestyle interventions produce short-term improvements in glycemia and cardiovascular disease (CVD) risk factors in individuals with type 2 diabetes mellitus, but no long-term data are available. We examined the effects of lifestyle intervention on changes in weight, fitness, and CVD risk factors during a 4-year study.MethodsThe Look AHEAD (Action for Health in Diabetes) trial is a multicenter randomized clinical trial comparing the effects of an intensive lifestyle intervention (ILI) and diabetes support and education (DSE; the control group) on the incidence of major CVD events in 5145 overweight or obese individuals (59.5% female; mean age, 58.7 years) with type 2 diabetes mellitus. More than 93% of participants provided outcomes data at each annual assessment.ResultsAveraged across 4 years, ILI participants had a greater percentage of weight loss than DSE participants (-6.15% vs -0.88%; P < .001) and greater improvements in treadmill fitness (12.74% vs 1.96%; P < .001), hemoglobin A(1c) level (-0.36% vs -0.09%; P < .001), systolic (-5.33 vs -2.97 mm Hg; P < .001) and diastolic (-2.92 vs -2.48 mm Hg; P = .01) blood pressure, and levels of high-density lipoprotein cholesterol (3.67 vs 1.97 mg/dL; P < .001) and triglycerides (-25.56 vs -19.75 mg/dL; P < .001). Reductions in low-density lipoprotein cholesterol levels were greater in DSE than ILI participants (-11.27 vs -12.84 mg/dL; P = .009) owing to greater use of medications to lower lipid levels in the DSE group. At 4 years, ILI participants maintained greater improvements than DSE participants in weight, fitness, hemoglobin A(1c) levels, systolic blood pressure, and high-density lipoprotein cholesterol levels.ConclusionsIntensive lifestyle intervention can produce sustained weight loss and improvements in fitness, glycemic control, and CVD risk factors in individuals with type 2 diabetes. Whether these differences in risk factors translate to reduction in CVD events will ultimately be addressed by the Look AHEAD trial.Trial registrationclinicaltrials.gov Identifier: NCT00017953.

Dataset Information

Binge Eating and Weight Loss Outcomes in Individuals with Type 2 Diabetes: 4-Year Results from the Look AHEAD Study.

Publications

Binge Eating and Weight Loss Outcomes in Individuals with Type 2 Diabetes: 4-Year Results from the Look AHEAD Study.

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