A short form of the General Self-Efficacy Scale (GSE-6): Development, psychometric properties and validity in an intercultural non-clinical sample and a sample of patients at risk for heart failure

Objective: General self-efficacy has been found to be an influential variable related to the adaptation to stress and chronic illness, with the General Self-Efficacy (GSE) Scale by Jerusalem and Schwarzer being a reliable and valid instrument to assess this disposition. The aim of this study was to construct and test a short form of this scale to allow for a more economical assessment of the construct. Methods: The item characteristics of the original scale were assessed using an intercultural non-clinical sample (n=19,719). Six items with the highest coefficient of variation and good discrimination along the range of the trait were selected to build a short form of the instrument (GSE-6). Subsequently, the psychometric properties and the concurrent and predictive validity of the GSE-6 were tested in a longitudinal design with three measurements using a sample of patients with risk factors for heart failure (n=1,460). Results: Cronbach’s alpha for the GSE-6 was between .79 and .88. We found negative associations with symptoms of depression (–.35 and –.45), anxiety (–.35), and vital exhaustion (–.38) and positive associations with social support (.30), and mental health (.36). In addition, the GSE-6 score was positively associated with active problem-focused coping (.26) and distraction/self-encouragement (.25) and negatively associated with depressive coping (–.34). The baseline GSE-6 score predicted mental health and physical health after 28 months, even after controlling for the respective baseline score. The relative stability over twelve and 28 months was r=.50 and r=.60, respectively, while the mean self-efficacy score did not change over time. Conclusions: The six item short form of the GSE scale is a reliable and valid instrument that is useful for the economical assessment of general self-efficacy in large multivariate studies and for screening purposes.

[1]  S. Moorey,et al.  Outlook and adaptation in advanced cancer: a systematic review , 2010, Psycho-oncology.

[2]  A. Bandura.  Self-efficacy: toward a unifying theory of behavioral change. , 1977, Psychological review.

[3]  Tracy Yuen,et al.  A systematic review of resilience in the physically ill. , 2011, Psychosomatics.

[4]  M. Falagas,et al.  Do Psychological Variables Affect Early Surgical Recovery? , 2011, PloS one.

[5]  Enhancing recovery in coronary heart disease patients (ENRICHD): study design and methods. The ENRICHD investigators. , 2000, American heart journal.

[6]  R. Schwarzer,et al.  Is General Self-Efficacy a Universal Construct ? * Psychometric Findings from 25 Countries , 2002 .

[7]  F. Samejima.  Estimation of latent ability using a response pattern of graded scores , 1969 .

[8]  C. Mallen,et al.  Coping strategies and self-efficacy as predictors of outcome in osteoarthritis: a systematic review. , 2010, Musculoskeletal care.

[9]  A. Appels,et al.  A questionnaire to assess premonitory symptoms of myocardial infarction. , 1987, International journal of cardiology.

[10]  R. Schwarzer,et al.  The General Self-Efficacy Scale: Multicultural Validation Studies , 2005, The Journal of psychology.

[11]  R. Wachter,et al.  Impaired physical quality of life in patients with diastolic dysfunction associates more strongly with neurohumoral activation than with echocardiographic parameters: quality of life in diastolic dysfunction. , 2011, American Heart Journal.

[12]  D. McCarthy,et al.  On the sins of short-form development. , 2000, Psychological assessment.

[13]  S. Garg,et al.  Self-Efficacy Impacts Self-Care and HbA1c in Young Adults With Type I Diabetes , 2002, Psychosomatic medicine.

[14]  David Cella,et al.  Resilience, reflection, and residual stress in ovarian cancer survivorship: A gynecologic oncology group study , 2002, Psycho-oncology.

[15]  M. Johnston,et al.  Measures in Health Psychology: A User's Portfolio , 1995 .

[16]  Ware J.E.Jr.,et al.  THE MOS 36- ITEM SHORT FORM HEALTH SURVEY (SF- 36) CONCEPTUAL FRAMEWORK AND ITEM SELECTION , 1992 .

[17]  R. Spitzer,et al.  The PHQ-9: validity of a brief depression severity measure. , 2001, Journal of general internal medicine.

[18]  Afsane Riazi,et al.  Self-efficacy and self-management after stroke: a systematic review , 2011, Disability and rehabilitation.

[19]  T. Hafsteinsdóttir,et al.  Self-efficacy and its influence on recovery of patients with stroke: a systematic review. , 2011, Journal of advanced nursing.

[20]  N. Z. Hampton,et al.  Self-Efficacy and Quality of Life in People with Spinal Cord Injuries in China. , 2000 .

[21]  G. Huston.  The Hospital Anxiety and Depression Scale. , 1987, The Journal of rheumatology.

[22]  A. Cieza,et al.  Psychological resources in spinal cord injury: a systematic literature review , 2011, Spinal Cord.

[23]  F. Samejima.  Estimation of latent ability using a response pattern of graded scores , 1968 .

[24]  Gregory T. Smith,et al.  Methodological considerations in the refinement of clinical assessment instruments. , 1995 .