Pain-related interference in daily life: Validation of a Portuguese version of the Brief Pain Inventory Interference Scale




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Details zur Publikation

Autorenliste: Ferreira-Valente MA
Jahr der Veröffentlichung: 2010
Sprachen: Englisch-Vereinigtes Königreich (EN-GB)


The purpose of this study was to evaluate the psychometric properties a
Portuguese Brief Pain Inventory (P-BPI) interference scale. Pain,
particularly chronic pain, is a significant health problem present in a
large number of health conditions, which impacts the quality of life of
who suffer from it. In order to provide adequate care to this common
symptom and vital sign, and to be able to monitor changes in pain over
time, valid and reliable measures of pain are needed. An adequate
evaluation of pain should include the assessment of its severity,
location and its interference with functioning. Valid measures of painrelated
interference are needed for clinical trials and cross-cultural
research. The BPI interference scale is one of the most commonly used
measures and has been validated in numerous languages. Although a
linguistically validated Portuguese (Portugal) version of the BPI
interference scale exists, it has not yet been validated in clinical
samples. A convenience sample of 83 chronic musculoskeletal were
administered the Portuguese BPI interference scale, and measures of
physical and psychological functioning. Cronbach’s alpha was
computed to assess internal consistency, and correlations with physical
and psychological functioning measures were computed to evaluate
predictive validity. A factor analysis of the P-BPI items was also
performed to determine items would yield one factor. The results
provide strong support the internal consistency (alpha = .82) and
preliminary support for the validity of the P-BPI. Moreover, the factor
analysis yielded a hypothesized 1-factor solution which was
interpretable and showed a good fit for the data. Research is needed
to evaluate the generalizability of the current findings, as well as to
determine the responsivity of the P-BPI to changes in pain interference
over time.


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Zuletzt aktualisiert 2017-13-04 um 11:49