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Evaluation of early weight loss thresholds for identifying nonresponders to an intensive lifestyle intervention.


ABSTRACT: Weight losses in lifestyle interventions are variable, yet prediction of long-term success is difficult. The utility of using various weight loss thresholds in the first 2 months of treatment for predicting 1-year outcomes was examined.Participants included 2327 adults with type 2 diabetes (BMI:35.8?±?6.0) randomized to the intensive lifestyle intervention (ILI) of the Look AHEAD trial. ILI included weekly behavioral sessions designed to increase physical activity and reduce caloric intake. 1-month, 2-month, and 1-year weight changes were calculated.Participants failing to achieve a ?2% weight loss at Month 1 were 5.6 (95% CI:4.5, 7.0) times more likely to also not achieve a ?10% weight loss at Year 1, compared to those losing ?2% initially. These odds were increased to 11.6 (95% CI:8.6, 15.6) when using a 3% weight loss threshold at Month 2. Only 15.2% and 8.2% of individuals failing to achieve the ?2% and ?3% thresholds at Months 1 and 2, respectively, go on to achieve a ?10% weight loss at Year 1.Given the association between initial and 1-year weight loss, the first few months of treatment may be an opportune time to identify those who are unsuccessful and utilize rescue efforts.clinicaltrials.gov Identifier: NCT00017953.

SUBMITTER: Unick JL 

PROVIDER: S-EPMC4077939 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Evaluation of early weight loss thresholds for identifying nonresponders to an intensive lifestyle intervention.

Unick Jessica L JL   Hogan Patricia E PE   Neiberg Rebecca H RH   Cheskin Lawrence J LJ   Dutton Gareth R GR   Evans-Hudnall Gina G   Jeffery Robert R   Kitabchi Abbas E AE   Nelson Julie A JA   Pi-Sunyer F Xavier FX   West Delia Smith DS   Wing Rena R RR  

Obesity (Silver Spring, Md.) 20140428 7


<h4>Objective</h4>Weight losses in lifestyle interventions are variable, yet prediction of long-term success is difficult. The utility of using various weight loss thresholds in the first 2 months of treatment for predicting 1-year outcomes was examined.<h4>Methods</h4>Participants included 2327 adults with type 2 diabetes (BMI:35.8 ± 6.0) randomized to the intensive lifestyle intervention (ILI) of the Look AHEAD trial. ILI included weekly behavioral sessions designed to increase physical activi  ...[more]

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