Document Detail

Physical activity patterns in the National Weight Control Registry.
MedLine Citation:
PMID:  18223628     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The National Weight Control Registry (NWCR) was established in 1993 to examine the characteristics of those who are successful at weight loss: individuals maintaining a 13.6-kg weight loss for >1 year. The size of the registry has increased substantially since the early descriptions of this group a decade ago. The purpose of this study was to describe in detail the weekly physical activity habits of NWCR members, to examine the relationship between amount of activity and demographic characteristics, and to determine if changes in activity parameters have occurred over time. METHODS AND PROCEDURES: Participants were 887 men and 2,796 women who enrolled in the NWCR between 1993 and 2004. Physical activity was evaluated at registry entry using the Paffenbarger Physical Activity Questionnaire. RESULTS: NWCR entrants report an average of 2,621 +/- 2,252 kcal/week in physical activity. There is considerable variability in the amount of activity reported: 25.3% report <1,000 kcal/week and 34.9% report >3,000 kcal/week. Activity level on registry entry is related to the magnitude but not the duration of weight loss. The amount of activity reported by men has decreased over time while no significant change was observed in women. Changes in the types of activities most frequently reported were also observed. DISCUSSION: Overall, NWCR participants are an extremely physically active group. However, the amount of activity reported is highly variable, making it difficult to develop a single recommendation for the optimum amount of physical activity for weight loss maintenance. A better understanding of individual-specific determinants of how much activity is required for weight loss maintenance ought to be a high research priority.
Victoria A Catenacci; Lorraine G Ogden; Jennifer Stuht; Suzanne Phelan; Rena R Wing; James O Hill; Holly R Wyatt
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Obesity (Silver Spring, Md.)     Volume:  16     ISSN:  1930-7381     ISO Abbreviation:  Obesity (Silver Spring)     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-28     Completed Date:  2008-04-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101264860     Medline TA:  Obesity (Silver Spring)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  153-61     Citation Subset:  IM    
Division of Endocrinology, Metabolism and Diabetes, Center for Human Nutrition, University of Colorado at Denver and Health Sciences Center, Denver, Colorado, USA.
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MeSH Terms
Body Weight / physiology
Health Surveys
Middle Aged
Motor Activity*
Obesity / physiopathology*,  therapy*
Registries / statistics & numerical data*
United States
Weight Loss*
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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