Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/111035
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Type: Journal article
Title: Clinical assessment of the impact of pelvic pain on women
Author: Chalmers, K.J.
Catley, M.J.
Evans, S.F.
Moseley, G.L.
Citation: Pain, 2017; 158(3):498-504
Publisher: Lippincott Williams & Wilkins
Issue Date: 2017
ISSN: 0304-3959
1872-6623
Statement of
Responsibility: 
K. Jane Chalmers, Mark J. Catley, Susan F. Evans, G. Lorimer Moseley
Abstract: We aimed to develop a questionnaire that assesses the impact of pelvic pain on women, regardless of diagnosis, that has high utility, sound psychometric performance, easy scoring, and high reliability. Two studies, with 3 separate cohorts, were undertaken. Both studies were completed online. Studies included women with self-reported pelvic pain. Women were eligible to participate regardless of whether their pelvic pain was undiagnosed, self-diagnosed, or diagnosed by a clinician. Study 1 used a 3-round "patient-as-expert" Delphi technique. These rounds defined the 10 aspects of life with the self-reported greatest impact on the lives of women with pelvic pain, which formed the questionnaire. Study 2 used Rasch analysis to assess the psychometric properties of the resultant 10-item questionnaire. To assess its reliability, a subgroup completed the questionnaire 3 times over a 3-week period. In study 1, 443 women with pelvic pain participated. The resultant 10-item questionnaire consisted of 8 Likert questions and 2 supplemental, nonscored questions. In study 2, 1203 women with pelvic pain completed the questionnaire. Rasch analysis showed that the questionnaire targeted the pelvic pain population well, had appropriate Likert categories, constituted a unidimensional scale, and showed internal consistency. Twenty-seven women with pelvic pain completed the reliability trial. Test-retest reliability was high (intraclass correlation coefficient 0.91, P < 0.001). The resultant Pelvic Pain Impact Questionnaire assesses the life impact of pelvic pain. It uses patient-generated language, is easily administered and scored, has very strong psychometric properties, and it is suitable for research and clinical settings across primary, secondary, and tertiary care.
Keywords: Pelvic pain; impact; questionnaire; endometriosis; vulvodynia; quality of life; Rasch; measurement
Rights: © 2017 by the International Association for the Study of Pain. Unauthorized reproduction of this article is prohibited.
DOI: 10.1097/j.pain.0000000000000789
Grant ID: http://purl.org/au-research/grants/nhmrc/1061279
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