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Reliability and validity of the Brazilian-Portuguese version of the Burns Specific Pain Anxiety Scale (BSPAS) |
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| Authors: | Echevarria-Guanilo Maria Elena Dantas Rosana Aparecida Spadoti Farina Jayme Adriano Faber A Wertus Alonso Jordi Rajmil Luis Rossi Lídia Aparecida |
| Affiliation: | a Escola de Enfermagem de Ribeirão Preto da Universidade de São Paulo, Brazil b Division of Plastic Surgery and the Unit Burn of Hospital das Clínicas de Ribeirão Preto da Universidade de São Paulo, Brazil c Dept. Medical Psychology Martini Ziekenhuis, Groningen, The Netherlands d Health Services Research Unit, IMIM-Hospital del Mar, Barcelona, Spain e Catalan Agency for Health Technology Assessment and Research (CAHTA), Barcelona, Spain |
| Abstract: | BackgroundPain and anxiety are a common problem in all recovery phases after a burn. The Burns Specific Pain Anxiety Scale (BSPAS) was proposed to assess anxiety in burn patients related to painful procedures.ObjectivesTo assess internal consistency, discriminative construct validity, dimensionality and convergent construct validity of the Brazilian-Portuguese version of the Burns Specific Pain Anxiety Scale.DesignIn this cross-sectional study, the original version of the BSPAS, adapted into Brazilian Portuguese, was tested for internal consistency (Cronbach's Alpha), discriminative validity (related to total body surface area burned and sex), dimensionality (through factor analysis), and convergent construct validity (applying the Visual Analogue Scale for pain and State-Anxiety—STAI) in a group of 91 adult burn patients.ResultsThe adapted version of the BSPAS displayed a moderate and positive correlation with pain assessments: immediately before baths and dressings (r = 0.32; p < 0.001), immediately after baths and dressings (r = 0.31; p < 0.001) and during the relaxation period (r = 0.31; p < 0.001) and with anxiety assessments (r = 0.34; p < 0.001). No statistically significant differences were observed when comparing the mean of the adapted version of the BSPAS scores with sex (p = 0.194) and total body surface area burned (p = 0.162) (discriminative validity). The principal components analysis applied to our sample seems to confirm anxiety as one single domain of the Brazilian-Portuguese version of the BSPAS. Cronbach's Alpha showed high internal consistency of the adapted version of the scale (0.90).ConclusionThe Brazilian-Portuguese version of the BSPAS 9-items has shown statically acceptable levels of reliability and validity for pain-related anxiety evaluation in burn patients. This scale can be used to assess nursing interventions aimed at decreasing pain and anxiety related to the performance of painful procedures. |
| Keywords: | Anxiety Burns Pain Reliability Validity |
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