| Identification and prediction of latent classes of weight-loss strategies among women. | |
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MedLine Citation:
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PMID: 19696754 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We apply latent class analysis (LCA) to quantify multidimensional patterns of weight-loss strategies in a sample of 197 women, and explore the degree to which dietary restraint, disinhibition, and other individual characteristics predict membership in latent classes of weight-loss strategies. Latent class models were fit to a set of 14 healthy and unhealthy weight-loss strategies. BMI, weight concern, body satisfaction, depression, dietary disinhibition and restraint, and the interaction of disinhibition and restraint were included as predictors of latent class membership. All analyses were conducted with PROC LCA, a recently developed SAS procedure available for download. Results revealed four subgroups of women based on their history of weight-loss strategies: No Weight Loss Strategy (10.0%), Dietary Guidelines (26.5%), Guidelines+Macronutrients (39.4%), and Guidelines+Macronutrients+Restrictive (24.2%). BMI, weight concerns, the desire to be thinner, disinhibition, and dietary restraint were all significantly related to weight-control strategy latent class. Among women with low dietary restraint, disinhibition increases the odds of engaging in any set of weight-loss strategies vs. none, whereas among medium- and high-restraint women disinhibition increases the odds of use of unhealthy vs. healthy strategies. LCA was an effective tool for organizing multiple weight-loss strategies in order to identify subgroups of individuals who have engaged in particular sets of strategies over time. This person-centered approach provides a measure weight-control status, where the different statuses are characterized by particular combinations of healthy and unhealthy weight-loss strategies. |
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Authors:
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Stephanie T Lanza; Jennifer S Savage; Leann L Birch |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural Date: 2009-08-20 |
Journal Detail:
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Title: Obesity (Silver Spring, Md.) Volume: 18 ISSN: 1930-7381 ISO Abbreviation: Obesity (Silver Spring) Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-03-29 Completed Date: 2010-09-02 Revised Date: 2011-09-26 |
Medline Journal Info:
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Nlm Unique ID: 101264860 Medline TA: Obesity (Silver Spring) Country: United States |
Other Details:
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Languages: eng Pagination: 833-40 Citation Subset: IM |
Affiliation:
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The Methodology Center, The Pennsylvania State University, University Park, Pennsylvania, USA. SLanza@psu.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Body Mass Index Choice Behavior / classification* Diet Female Guidelines as Topic Health Behavior* Humans Longitudinal Studies Motivation* Social Control, Informal Weight Loss* |
| Grant Support | |
ID/Acronym/Agency:
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HD 32973/HD/NICHD NIH HHS; M01 RR10732/RR/NCRR NIH HHS; P50 DA010075-10/DA/NIDA NIH HHS; P50DA10075/DA/NIDA NIH HHS; R01 HD032973-10/HD/NICHD NIH HHS; R03 DA023032-02/DA/NIDA NIH HHS; R03DA023032/DA/NIDA NIH HHS |
| Comments/Corrections | |
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