Validation of the Scale of Hope in Terminal Illness for relatives brief version (SHTI-b). Validity and reliability analysis
DOI:
https://doi.org/10.23938/ASSN.0118Keywords:
"palliative care" "hope" "psychometric" "spirituality" "beliefs"Abstract
Background. Bermejo and Villacieros’ Scale of Hope in Terminal Disease (SHTD) specifically collects meanings of hope facing terminal disease, including considerations relating to psycho-emotional support and that have a transcendental sense. The objective of this paper is to validate the SHTD abbreviated and rephrased to adapt all the items to a single domain.
Methods. Starting from the published SHTD, an exploratory factor analysis (EFA) was carried out with a sample of 177 valid questionnaires. In a second study, with another sample of 180 valid questionnaires, a confirmatory factor analysis (CFA) and a correlation analysis with other measurements of spiritual wellbeing (Functional Assessment of Chronic Illness Therapy-Sp) and hope (Herth Hope Index) were done.
Results. A bidimensional model with satisfactory goodness of fit index values was obtained (GFI = 0.991; CFI = 0.984; SRMR = 0.08; RMSEA = 0.057); the Relations of Transcendence factor obtained a Cronbach’s alpha of 0.872 and Personal Relations an alpha of 0.762. The correlations of the SHTI-rb with external measures were: r = 0.527with FACIT; r = 0.266 with HHI; r = 0.667 with the Spirituality subscale of FACIT; and r = 0.348 with the Interrelation factor of HHI. The Relations of Transcendence subscale correlated with both Layout and Expectation and Interrelation of HHI (r = 0.162 and r = 0.329 respectively), while the scale of Personal Relations only correlated with Interrelation of HHI (r = 0.244).
Conclusions. The Scale of Hope in Terminal Illness for relatives (brief version) is a valid and reliable specific instrument for terminal patients.
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