{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T11:13:29Z","timestamp":1781608409357,"version":"3.54.5"},"reference-count":45,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2017,10,26]],"date-time":"2017-10-26T00:00:00Z","timestamp":1508976000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Artesis University College"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pain Practice"],"published-print":{"date-parts":[[2018,4]]},"abstract":"Abstract<\/jats:title>Introduction<\/jats:title>Although the importance of psychosocial factors has been highlighted in many studies in patients with chronic low back pain (CLBP<\/jats:styled-content>), there is a lack of research examining the role of illness perceptions in explaining functional disability and physical activity in patients with CLBP<\/jats:styled-content>.<\/jats:p><\/jats:sec>Aim<\/jats:title>The aim of the study was to explore the value of illness perceptions in explaining functional disability and physical activity in patients with CLBP.<\/jats:p><\/jats:sec>Methods<\/jats:title>Eighty\u2010four participants with CLBP<\/jats:styled-content> (of >\u00a03\u00a0months' duration) completed a battery of questionnaires investigating psychosocial factors (Pain Catastrophizing Scale [PCS<\/jats:styled-content>], Illness Perceptions Questionnaire Revised [IPQ<\/jats:styled-content>\u2010R<\/jats:styled-content>], and 36\u2010Item Short Form mental health scale [SF<\/jats:styled-content>\u201036_MH<\/jats:styled-content>]) and perceived pain intensity (visual analog scale [VAS<\/jats:styled-content>]), as well as the Oswestry Disability Index (ODI<\/jats:styled-content>) and Baecke questionnaire. The latter 2 were entered separately as dependent variables in a regression analysis.<\/jats:p><\/jats:sec>Results<\/jats:title>The combined variables (VAS<\/jats:styled-content>, PCS<\/jats:styled-content>, SF<\/jats:styled-content>\u201036_MH<\/jats:styled-content>, IPQ<\/jats:styled-content>\u2010R<\/jats:styled-content>) accounted for 62% of the variance in functional disability (ODI<\/jats:styled-content>). Adding the results of the IPQ<\/jats:styled-content>\u2010R<\/jats:styled-content> to the scores of the other 3 variables (VAS<\/jats:styled-content>, PCS<\/jats:styled-content>, SF<\/jats:styled-content>\u201036_MH<\/jats:styled-content>) significantly increased the explained variance of ODI<\/jats:styled-content> scores in CLBP<\/jats:styled-content> patients, yielding 18% additional information (P\u00a0<\/jats:italic><\u00a0<\/jats:italic>0.01). Only 5% of the variance in the Baecke questionnaire was explained by combining the 4 variables. None of the single variables alone made a significant contribution to R<\/jats:italic>\u00b2.<\/jats:p><\/jats:sec>Conclusions<\/jats:title>Illness perceptions are an important factor for explaining functional disability, but not for explaining habitual physical activity in CLBP<\/jats:styled-content> patients.<\/jats:p><\/jats:sec>","DOI":"10.1111\/papr.12642","type":"journal-article","created":{"date-parts":[[2017,9,15]],"date-time":"2017-09-15T10:16:39Z","timestamp":1505470599000},"page":"523-531","source":"Crossref","is-referenced-by-count":11,"title":["Illness Perceptions Explain the Variance in Functional Disability, but Not Habitual Physical Activity, in Patients With Chronic Low Back Pain: A Cross\u2010Sectional Study"],"prefix":"10.1111","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2236-5620","authenticated-orcid":false,"given":"Marijke","family":"Leysen","sequence":"first","affiliation":[{"name":"Rehabilitation Sciences and Physiotherapy (REVAKI) Faculty of Medicine and Health Sciences University of Antwerp Antwerp Belgium"},{"name":"Pain in Motion International Research Group"},{"name":"Department of Physiotherapy, Physiology and Anatomy Faculty of Physical Education and Physiotherapy Vrije Universiteit Brussel Brussels Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jo","family":"Nijs","sequence":"additional","affiliation":[{"name":"Pain in Motion International Research Group"},{"name":"Department of Physiotherapy, Physiology and Anatomy Faculty of Physical Education and Physiotherapy Vrije Universiteit Brussel Brussels Belgium"},{"name":"Department of Physical Medicine and Physiotherapy University Hospital Brussels Brussels Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. 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