{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T00:20:08Z","timestamp":1782951608219,"version":"3.54.5"},"reference-count":47,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2016,10,9]],"date-time":"2016-10-09T00:00:00Z","timestamp":1475971200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"publisher","award":["TR3\u2010119192"],"award-info":[{"award-number":["TR3\u2010119192"]}],"id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthritis Care &amp; Research"],"published-print":{"date-parts":[[2016,11]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To develop and validate a short form of the Cochin Hand Function Scale (CHFS), which measures hand disability, for use in systemic sclerosis, using objective criteria and reproducible techniques.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Responses on the 18\u2010item CHFS were obtained from English\u2010speaking patients enrolled in the Scleroderma Patient\u2010Centered Intervention Network Cohort. CHFS unidimensionality was verified using confirmatory factor analysis, and an item response theory model was fit to CHFS items. Optimal test assembly (OTA) methods identified a maximally precise short form for each possible form length between 1 and 17 items. The final short form selected was the form with the least number of items that maintained statistically equivalent convergent validity, compared to the full\u2010length CHFS, with the Health Assessment Questionnaire (HAQ) disability index (DI) and the physical function domain of the 29\u2010item Patient\u2010Reported Outcomes Measurement Information System (PROMIS\u201029).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were 601 patients included. A 6\u2010item short form of the CHFS (CHFS\u20106) was selected. The CHFS\u20106 had a Cronbach's alpha of 0.93. Correlations of the CHFS\u20106 summed score with HAQ DI (r\u2009=\u20090.79) and PROMIS\u201029 physical function (r\u2009=\u2009\u22120.54) were statistically equivalent to the CHFS (r\u2009=\u20090.81 and r\u2009=\u2009\u22120.56). The correlation with the full CHFS was high (r\u2009=\u20090.98).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The OTA procedure generated a valid short form of the CHFS with minimal loss of information compared to the full\u2010length form. The OTA method used was based on objective, prespecified criteria, but should be further studied for viability as a general procedure for shortening patient\u2010reported outcome measures in health research.<\/jats:p><\/jats:sec>","DOI":"10.1002\/acr.22893","type":"journal-article","created":{"date-parts":[[2016,3,25]],"date-time":"2016-03-25T10:28:43Z","timestamp":1458901723000},"page":"1704-1713","source":"Crossref","is-referenced-by-count":24,"title":["Using Optimal Test Assembly Methods for Shortening Patient\u2010Reported Outcome Measures: Development and Validation of the Cochin Hand Function Scale\u20106: A Scleroderma Patient\u2010Centered Intervention Network Cohort Study"],"prefix":"10.1002","volume":"68","author":[{"given":"Alexander W.","family":"Levis","sequence":"first","affiliation":[{"name":"Lady Davis Institute for Medical Research, Jewish General Hospital, and McGill University Montreal Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daphna","family":"Harel","sequence":"additional","affiliation":[{"name":"New York University New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Linda","family":"Kwakkenbos","sequence":"additional","affiliation":[{"name":"Lady Davis Institute for Medical Research, Jewish General Hospital, and McGill University, Montreal, Quebec, Canada, and Radboud University Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie\u2010Eve","family":"Carrier","sequence":"additional","affiliation":[{"name":"Lady Davis Institute for Medical Research, Jewish General Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luc","family":"Mouthon","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Paris Descartes, Assistance Publique\u2010H\u00f4pitaux de Paris, and H\u00f4pital Cochin Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Serge","family":"Poiraudeau","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Paris Descartes, Assistance Publique\u2010H\u00f4pitaux de Paris, H\u00f4pital Cochin, and IFR Handicap INSERM Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susan J.","family":"Bartlett","sequence":"additional","affiliation":[{"name":"McGill University Montreal Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dinesh","family":"Khanna","sequence":"additional","affiliation":[{"name":"University of Michigan Scleroderma Program Ann Arbor"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vanessa L.","family":"Malcarne","sequence":"additional","affiliation":[{"name":"San Diego State University\/University of California, San Diego Joint Doctoral Program in Clinical Psychology San Diego California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maureen","family":"Sauve","sequence":"additional","affiliation":[{"name":"Scleroderma Society of Ontario, Hamilton, and Scleroderma Society of Canada Ottawa Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cornelia H. 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