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Reliability and validity of the Impact of Event Scale (IES): version for Brazilian burn victims

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  • Maria E Echevarria‐Guanilo
  • Rosana AS Dantas
  • Jayme A Farina Jr
  • Jordi Alonso
  • Luis Rajmil
  • Lídia A Rossi

Abstract

Aims. The aims of this study were to assess the internal reliability (internal consistency), construct validity, sensitivity and ceiling and floor effects of the Brazilian‐Portuguese version of the Impact of Event Scale (IES). Design. Methodological research design. Method. The Brazilian‐Portuguese version of the IES was applied to a group of 91 burned patients at three times: the first week after the burn injury (time one), between the fourth and the sixth months (time two) and between the ninth and the 12th months (time three). The internal consistency, construct validity (convergent and dimensionality), sensitivity and ceiling and floor effects were tested. Results. Cronbach’s alpha coefficients showed high internal consistency for the total scale (0·87) and for the domains intrusive thoughts (0·87) and avoidance responses (0·76). During the hospitalisation (time one), the scale showed low and positive correlations with pain measures immediately before (r = 0·22; p

Suggested Citation

  • Maria E Echevarria‐Guanilo & Rosana AS Dantas & Jayme A Farina Jr & Jordi Alonso & Luis Rajmil & Lídia A Rossi, 2011. "Reliability and validity of the Impact of Event Scale (IES): version for Brazilian burn victims," Journal of Clinical Nursing, John Wiley & Sons, vol. 20(11‐12), pages 1588-1597, June.
    • Handle: RePEc:wly:jocnur:v:20:y:2011:i:11-12:p:1588-1597
    DOI: 10.1111/j.1365-2702.2010.03607.x
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