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Psychometric properties of the Q uick PIPER : a shortened version of the PIPER F atigue scale
Author(s) -
CuestaVargas A.I.,
FérnandezLao C.,
CantareroVillanueva I.,
CastroSánchez A.M.,
Fernándezdelas Peñas C.,
Polley M.J.,
ArroyoMorales M.
Publication year - 2013
Publication title -
european journal of cancer care
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.849
H-Index - 67
eISSN - 1365-2354
pISSN - 0961-5423
DOI - 10.1111/ecc.12022
Subject(s) - medicine , confirmatory factor analysis , confidence interval , profile of mood states , mood , clinical psychology , physical therapy , statistics , structural equation modeling , mathematics
Psychometric properties of the Q uick PIPER a shortened version of the PIPER F atigue scale This paper proposes ‘ Q uick PIPER ’, a 15‐item, validated one‐dimensional model representing cancer‐related fatigue, based on factor analysis testing of the P iper F atigue S cale‐revised ( R ‐ PFS ). One hundred and eleven breast cancer survivors participated in this prospective, observational study of the Q uick PIPER validation. Participants completed the R ‐ PFS and the P rofile of M ood S tates ( POMS ) F atigue and V igor subscales. The questionnaires were tested concurrently before and after a multimodal exercise programme trial. Psychometric characteristics assessed from the sample included internal consistency and factor analysis, concurrent criterion validity and predictive ability. The results shows that the correlation matrix for the Q uick PIPER questionnaire was determined as suitable with the K aiser– M eyer– O klin values (0.89) and B artlett's T est of S phericity ( P < 0.001). The total cumulative variance explained was 65.32%. The goodness‐of‐fit indices of confirmatory factor analysis were satisfactory (normed fit index = 0.91 and comparative fit index = 0.92). Test–retest reliability was very good ( r = 0.947, P < 0.001). The Q uick PIPER scores correlated with POMS F atigue ( r = 0.800) and POMS V igor ( r = −0.352) subscales. Predictive ability showed that the area under the curves for the screening questionnaires was 0.743 (95% confidence interval 0.579–0.906). The 15‐item Q uick PIPER possesses similar properties to the 22‐item R ‐ PFS and offers the important advantage of brevity.

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