{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T13:19:09Z","timestamp":1781529549332,"version":"3.54.1"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2012,8,30]],"date-time":"2012-08-30T00:00:00Z","timestamp":1346284800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Stiftelsen f\u00f6r bist\u00e5nd \u00e5t r\u00f6relsehindrade i Sk\u00e5ne and Sk\u00e5ne county council's research and development foundation"},{"name":"Sigurd and Elsa Goljes foundation"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["PM&amp;R"],"published-print":{"date-parts":[[2013,3]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the construct validity of a new rating scale for self\u2010reported impairments in persons with late effects of polio.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Psychometric analysis of data on self\u2010perceived impairments in persons with prior polio.<\/jats:p><\/jats:sec><jats:sec><jats:title>Participants<\/jats:title><jats:p>Two hundred seventy\u2010three persons with prior polio (119 men and 154 women; mean age, 63.5 years).<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Rasch analysis of a 13\u2010item rating scale with 5 response categories, in which the participants rated how much they have been bothered by various post\u2010polio\u2013related impairments during the past 2 weeks.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The initial analysis showed disordered categories, misfit with some of the items, multidimensionality, and local dependency. After adjustment of the categories, which resulted in a 4\u2010category rating scale, fit to the model was achieved, but the scale still showed signs of multidimensionality. Analyses of local dependency revealed correlations among some of the items, which resulted in a 5 testlet solution, which gave fit to the model and unidimensionality.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>After adjustment of the categories and local dependency, this new rating scale, Self\u2010Reported Impairments in Persons With Late Effects of Polio, can be considered as unidimensional. The good psychometric properties implies that the Self\u2010Reported Impairments in Persons With Late Effects of Polio scale could be a useful rating scale that would increase our understanding of the impairments that persons with late effects of polio can experience. With further refinements, this scale may assist in the planning and evaluation of appropriate rehabilitation interventions.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.pmrj.2012.07.007","type":"journal-article","created":{"date-parts":[[2012,8,30]],"date-time":"2012-08-30T07:18:11Z","timestamp":1346311091000},"page":"176-181","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Construct Validity of a New Rating Scale for Self\u2010Reported Impairments in Persons With Late Effects of Polio"],"prefix":"10.1002","volume":"5","author":[{"given":"Christina","family":"Brog\u00e5rdh","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Lexell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u00c5sa","family":"Lundgren\u2010Nilsson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,8,30]]},"reference":[{"key":"e_1_2_7_2_2","first-page":"857","article-title":"Observations are always ordinal: Measurement, however, must be interval","volume":"70","author":"Wright B.D.","year":"1989","journal-title":"Arch Phys Med Rehabil"},{"key":"e_1_2_7_3_2","volume-title":"Probabilistic Models for Some Intelligence and Attainment Tests","author":"Rasch G.","year":"1960"},{"key":"e_1_2_7_4_2","volume-title":"Applying the Rasch Model. 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