Self-efficacy and social support as mediators in the relation between disease severity and quality of life in patients with epilepsy

Marianne Amir*, Ilan Roziner, Alon Knoll, Miriam Y. Neufeld

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

166 Scopus citations

Abstract

Purpose: This study examined the influence of two psychosocial variables mediating between disease severity and quality of life (Qol) in epilepsy; social support and mastery (measured by locus of control and self-efficacy). A model placing these two variables as mediators between disease severity and QoL was tested with structural equation modeling. Methods: Eighty-nine patients with epilepsy (58% men, age 36 ± 12 years) were given the following instruments: Liverpool Seizure Severity Scale, Interpersonal Support Evaluation List, Epileptic Self-Efficacy Scale, Locus of Control scale, and the World Health Organization's Quality of Life Questionnaire, the WHOQOL. Results: Structural equation modeling showed good fit between the research model and the data (Bentler-Bonett Normalized Index of fit, 0.96; LISREL GFI, 0.95). Ninety percent of the variance of the WHOQOL was explained by a combination of disease severity, self-efficacy in epilepsy, social support, and locus of control. Mastery was found to mediate the correlation between disease severity and QoL, and social support was found to act as a mediator between disease severity and mastery. Conclusions: The study findings emphasize the possibility of improving QoL among patients with epilepsy by counseling and treatment aimed at reinforcing their self-efficacy and locus of control, as well as by improving their SoS.

Original languageEnglish
Pages (from-to)216-224
Number of pages9
JournalEpilepsia
Volume40
Issue number2
DOIs
StatePublished - 1999

Keywords

  • Epilepsy
  • Locus of Control
  • Quality of Life
  • Self-Efficacy
  • Social Support

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