Username


Password

Forgot Password?

Preview

Sign-in free and Explore the Exciting World of BiomedExperts:
  • Over 1.500.000 Profiles
  • More than 1.800 Organizations worldwide
  • State of the Art Network Visualizations
  • Manage your own Profile
  • Locate Experts in your Country/Region
  • Locate Experts in your 1. and 2. Level Network
  • Connect to Experts Worldwide

find experts for

Sign-in to see more
2007: McAuley Edward; Morris Katherine S; Doerksen Shawna E; Motl Robert W; Liang Hu; White Siobhan M; Wójcicki Thomas R; Rosengren Karl
Effects of change in physical activity on physical function limitations in older women: mediating roles of physical function performance and self-efficacy.
Journal of the American Geriatrics Society 2007;55(12):1967-73.
OBJECTIVES: To examine the hypothesis that changes in self-efficacy and functional performance mediate, in part, the beneficial effect of physical activity on functional limitations over time. DESIGN: Prospective, observational study. SETTING: Community-based. PARTICIPANTS: Two hundred forty-nine community-dwelling older women. MEASUREMENTS: Participants completed measures of self-reported physical activity, functional limitations, and self-efficacy. Four measures of physical function performance were also assessed. Measures were completed at baseline and 24 months. Data were analyzed using a panel model within a covariance modeling framework. RESULTS: Results indicated that increases in physical activity over time were associated with greater improvements in self-efficacy, which was associated in turn with improved physical function performance, both of which mediated the association between physical activity and functional limitations. Fewer functional limitations at baseline were also associated with higher levels of self-efficacy at 24 months. Age, race, and health status covariates did not significantly change these relationships. CONCLUSION: The findings support the mediating roles of self-efficacy and physical function performance in the relationship between longitudinal changes in physical activity and functional limitations in older women.

Post to CiteULike

Sign in free and see...

Visualized networks:
See your personal network in
sophisticated graphical views
GeoTargeted Searches:
Locate experts around the world
and connect with global collaborators
Research Profiles:
See the visualized research activity
of experts around the globe
Sign-in to see more