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General perceived self-efficacy: validation analysis in Greek cancer patients

  • Supportive Care International
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Abstract

Goals of work

The present study aims to validate the General Perceived Self-efficacy Scale (GSE) in Greek cancer patients.

Materials and methods

The scale was administered twice, with a 3-day interval, to 99 advanced cancer patients. The patients also completed the Anxiety Subscale from the Greek Hospital Depression and Anxiety Scale.

Main results

Factor analyses identified a one-factor solution, explaining 74.6% of the variance. The Greek version of the GSE had a Cronbach’s alpha of 0.927. Validity as performed using known-group analysis showed good results. Satisfactory construct validity was supported by the correlation analysis between the GSE and anxiety (r = −0.507, p < 0.0005). Interitem correlations was also satisfactory at p < 0.0005.

Conclusions

These psychometric properties of the Greek version of the GSE showed that it is a valid and reliable measured when administered to cancer patients.

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Authors and Affiliations

  1. Pain Relief and Palliative Care Unit, Department of Radiology, Areteion Hospital, School of Medicine, University of Athens, 27 Korinthias St., 115 26, Athens, Greece

    Kyriaki Mystakidou, Efi Parpa, Eleni Tsilika & Antonis Galanos

  2. Radiology Department, Areteion Hospital, School of Medicine, University of Athens, Vas. Sofias 76, 115 28, Athens, Greece

    Lambros Vlahos

Authors
  1. Kyriaki Mystakidou
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  2. Efi Parpa
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  3. Eleni Tsilika
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  4. Antonis Galanos
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  5. Lambros Vlahos
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Correspondence to Kyriaki Mystakidou.

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Mystakidou, K., Parpa, E., Tsilika, E. et al. General perceived self-efficacy: validation analysis in Greek cancer patients. Support Care Cancer 16, 1317–1322 (2008). https://doi.org/10.1007/s00520-008-0443-z

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