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The role of self-efficacy and locus of control in asthma-related needs and outcomes: a cross-sectional study.

Authors
  • Schreitmüller, Julia1
  • Loerbroks, Adrian1
  • 1 Institute of Occupational Social and Environmental Medicine, Centre for Health and Society, Faculty of Medicine, University of Düsseldorf, Düsseldorf, Germany. , (Germany)
Type
Published Article
Journal
Journal of Asthma
Publisher
Informa UK (Taylor & Francis)
Publication Date
Feb 01, 2020
Volume
57
Issue
2
Pages
196–204
Identifiers
DOI: 10.1080/02770903.2018.1556687
PMID: 30634885
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Objective: This study sought to identify psychological resources, which are associated with improved asthma outcomes. Methods: A total of 205 patients who reported physician-diagnosed asthma were surveyed between September 2017 and March 2018. Psychological resources included self-efficacy (i.e. the belief in one's capabilities to organize and execute required behavior [SE]; assessed by the Short Scale for Measuring General Self-Efficacy Beliefs), and internal and external locus of control (i.e. one's beliefs about whether a given event is the result of one's behavior or of forces outside one's control [LoC]; Scale for Internal External Locus of Control-4). Outcome variables included asthma control (Asthma Control Test), asthma-related quality of life (QoL; Asthma Quality of Life Questionnaire-Sydney) and patient needs (Patient Needs in Asthma Treatment Questionnaire). Associations were estimated by linear regressions. Results: We observed that higher self-efficacy and internal LoC scores, but lower scores on the external LoC subscale were associated with improved asthma control (SE: β = 0.19, p = 0.01; internal LoC: β = 0.17, p = 0.02; external LoC: β = -0.18, p = 0.01), better asthma-related QoL (SE: β = -0.38, p < 0.01; internal LoC: β = -0.40, p < 0.01; external LoC: β = 0.46, p < 0.01) and less unmet needs (SE: β = -0.16, p = 0.02; internal LoC: β = -0.18, p < .01; external LoC: β = 0.32, p < 0.01). Conclusions: Our study provides novel evidence on psychological resources among patients with asthma, which are associated with improved asthma outcomes.

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