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Träfflista för sökning "WFRF:(Malmberg B.) srt2:(2005-2009)"

Sökning: WFRF:(Malmberg B.) > (2005-2009)

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  • Braungart Fauth, E, et al. (författare)
  • Physical, cognitive, and psychosocial variables from the Disablement Process Model predict patterns of independence and the transition into disability for the oldest-old
  • 2007
  • Ingår i: Gerontologist. ; 47:5, s. 613-624
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: This study used the Disablement Process Model to predict whether a sample of the oldest-old maintained their disability or disability-free status over a 2- and 4-year follow-up, or whether they transitioned into a state of disability during this time. DESIGN AND METHODS: We followed a sample of 149 Swedish adults who were 86 years of age or older over a period of 4 years; we grouped them by ability in activities of daily living as being functional survivors (nondisabled over time), increasingly disabled (initially nondisabled but later disabled), chronically disabled (disabled at all waves), or deceased. We used variables from baseline to predict group membership into these four longitudinal outcome groups. RESULTS: Results indicated that demographic factors, physical impairments, physical and cognitive limitations, and psychosocial variables at baseline predicted membership into the functional survivor group after 2 years and most continued to distinguish between functional survivors and other groups after 4 years. IMPLICATIONS: These findings indicate key variables that may be useful in predicting shorter term longitudinal changes in disability. By understanding the physical, cognitive, and psychological variables that predict whether a person develops a disability within the next 2 or 4 years, we may be better able to plan for care or implement appropriate interventions.
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  • Davies, Melvyn B, et al. (författare)
  • Is our Sun a singleton?
  • 2008
  • Ingår i: Physica Scripta. - 0031-8949. ; T130
  • Tidskriftsartikel (refereegranskat)abstract
    • All stars are formed in some form of cluster or association. These environments can have a much higher number density of stars than the field of the galaxy. Such crowded places are hostile environments: a large fraction of initially single stars will undergo close encounters with other stars or exchange into binaries. We describe how such close encounters and exchange encounters will affect the properties of a planetary system around a single star. We define singletons as single stars which have never suffered close encounters with other stars or spent time within a binary system. It may be that planetary systems similar to our own solar system can only survive around singletons. Close encounters or the presence of a stellar companion will perturb the planetary system, leading to strong planet-planet interactions, often leaving planets on tighter and more eccentric orbits. Thus, planetary systems which initially resembled our own solar system may later more closely resemble the observed exoplanetary systems.
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