Document Detail

Using ecological momentary assessment to examine antecedents and correlates of physical activity bouts in adults age 50+ years: a pilot study.
MedLine Citation:
PMID:  20052568     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: National recommendations supporting the promotion of multiple short (10+ minute) physical activity bouts each day to increase overall physical activity levels in middle-aged and older adults underscore the need to identify antecedents and correlates of such daily physical activity episodes. PURPOSE: This pilot study used Ecological Momentary Assessment to examine the time-lagged and concurrent effects of empirically supported social, cognitive, affective, and physiological factors on physical activity among adults age 50+ years. METHODS: Participants (N = 23) responded to diary prompts on a handheld computer four times per day across a 2-week period. Moderate-to-vigorous physical activity (MVPA), self-efficacy, positive and negative affect, control, demand, fatigue, energy, social interactions, and stressful events were assessed during each sequence. RESULTS: Multivariate results showed that greater self-efficacy and control predicted greater MVPA at each subsequent assessment throughout the day (p < 0.05). Also, having a positive social interaction was concurrently related to higher levels of MVPA (p = 0.052). CONCLUSION: Time-varying multidimensional individual processes predict within daily physical activity levels.
Genevieve Fridlund Dunton; Audie A Atienza; Cynthia M Castro; Abby C King
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2010-01-06
Journal Detail:
Title:  Annals of behavioral medicine : a publication of the Society of Behavioral Medicine     Volume:  38     ISSN:  1532-4796     ISO Abbreviation:  Ann Behav Med     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2010-02-10     Completed Date:  2010-05-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8510246     Medline TA:  Ann Behav Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  249-55     Citation Subset:  IM    
Health Promotion Research Branch, Behavioral Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA.
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MeSH Terms
Age Factors
Aging* / psychology
Computers, Handheld
Interpersonal Relations
Middle Aged
Motor Activity*
Pilot Projects
United States
Grant Support

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