Psychometric properties of the portuguese version of the Pain Self-Efficacy Questionnaire




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Details zur Publikation

Autorenliste: Ferreira-Valente MA
Pais-Ribeiro, JL
Jensen, MP
Verlag: Sociedade Portuguesa de Reumatologia
Jahr der Veröffentlichung: 2011
Zeitschrift: Acta Reumatologica Portuguesa (0303-464X)
Bandnummer: 36
Heftnummer: 3
Erste Seite: 260
Letzte Seite: 267
Seitenumfang: 8
ISSN: 0303-464X
Sprachen: Englisch-Vereinigtes Königreich (EN-GB)


AIMS: This study sought to translate and evaluate the psychometric
properties of a European Portuguese version of the Pain Self-Efficacy
Questionnaire (P-PSEQ), in order to enable its use in clinical and
cross-cultural studies. MATERIAL AND METHODS: The Pain Self-Efficacy
Questionnaire was translated into European Portuguese and then
back-translated into English. A consensus version of the translated
version was pre-tested with a pilot sample, followed by cognitive
debriefing, resulting in a final version of the measure. A convenience
sample of 174 Portuguese adults with chronic musculoskeletal pain
completed the Portuguese Pain Self-Efficacy Questionnaire (P-PSEQ) and
criterion measures of pain intensity (Numerical Ratings Scale), pain
interference (Portuguese Brief Pain Inventory Interference Scale),
quality of life and general health (SF-12), and psychological
functioning (Hospital Anxiety and Depression Scale). Cronbach's alpha
and composite reliability coefficients were computed as measures of
reliability, and confirmatory factor analysis was performed. Pearson
correlation coefficients between the P-PSEQ score and the criterion
measures were computed to evaluate the construct validity of the scale.
RESULTS: The P-PSEQ demonstrated good to excellent reliability
(Cronbach's alpha = 0.88 and Composite reliability = 0.92), and showed
moderately strong associations with the criterion measures in the
hypothesized directions, supporting its construct validity.
Additionally, the confirmatory factor analysis supported a single factor
solution, as hypothesized. CONCLUSIONS: The findings provide strong
support for the reliability and validity of the P-PSEQ. Research is
needed to determine the responsivity of the P-PSEQ and to establish the
generalizability of the results in other samples of Portuguese patients
with chronic pain.


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