Self-regulation, physical activity and unexplained chronic fatigue : from determinants to interventions

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Self-regulation, physical activity and unexplained chronic fatigue : from determinants to interventions

Title: Self-regulation, physical activity and unexplained chronic fatigue : from determinants to interventions
Author: Moreira Marques, Marta
Publisher: Health, Medical and Neuropsychology, Institute Psychology, Faculty of Social and Behavioural Sciences, Leiden University
Issue Date: 2015-01-13
Keywords: Chronic fatigue
Self-regulation
Physical activity
Determinants
Trial
Behavior change
Abstract: Unexplained Chronic Fatigue (CF) is of unknown aetiology, but research suggests a multifactorial nature in which biological/physical, psychological and social fators interact. Treatment approaches for CF target mainly perpetuating factors of fatigue chronicity, such as lack of physical activity. This thesis describes a brief self-regulation-based intervention targeting physical activity for patients with CF. Prior to this intervention study we conducted a series of studies that were important for the development of the trial: (1) a validation of a measure of fatigue severity for the language and population in which we intended to implement the intervention, (2) a comparison of clinical characteristics and behavioural and cognitive determinants of CFS in a Dutch and a Portuguese patient sample, and (3) a systematic review and meta-analysis of behavioural interventions with a graded activity component conducted with CF patients. In a randomized controlled trial (n=91), the self-regulation based intervention led to significant sustained effects (1 year) on fatigue severity, quality of life and physical activity. Sustained benefits on fatigue severity were partially explained by progress on a personal physical activity goal, and use of self-regulation skills. Findings are discussed in terms of its implications for practice, methodological considerations and avenues for future research.
Description: Promotor: C.M.J.G. Maes, Co-promotor V.M.J. de Gucht
With summary in Dutch
Faculty: Faculteit der Sociale Wetenschappen
Citation: Moreira Marques, M., 2015, Doctoral thesis, Leiden University
ISBN: 9789892050829
Handle: http://hdl.handle.net/1887/31422
 

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application/pdf Chapter 1 General introduction 163.3Kb View/Open
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