{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T00:11:39Z","timestamp":1779149499320,"version":"3.51.4"},"reference-count":29,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2013,10,22]],"date-time":"2013-10-22T00:00:00Z","timestamp":1382400000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Physiotherapy Res Intl"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The aim of this study was to investigate content validity of the International Classification of Functioning, Disability and Health (ICF) Core Sets for low back pain (LBP), by examining whether common activities reported as difficult to perform are included in the Core Sets.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A cross\u2010sectional design was used. Ninety\u2010eight patients with long\u2010lasting back pain (&gt;3\u2009months) between 18 and 65\u2009years of age were consecutively recruited from a Multidisciplinary Outpatient Spine Clinic. Difficulties with daily life and work task activities because of back pain were examined by asking the patients two questions: 1) can you specify activities that are difficult to perform because of your back pain? and 2) are there specific work tasks that you are unable to do because of your back pain? Two raters independently classified the written responses according to the ICF Core Sets' component <jats:italic>Activities and Participation<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Activities and work tasks were linked to 15 of 29 categories (52%) in the Comprehensive Core Set, and 9 of 12 (75%) in the Brief Core Set, and the initial agreement between the two raters in coding the answers according to the Core Sets was (83%, <jats:italic>k<\/jats:italic>\u2009=\u20090.80) and (93%, <jats:italic>k<\/jats:italic>\u2009=\u20090.9), respectively, before consensus was reached.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The Comprehensive Core Set for LBP to a large degree contains daily life and work\u2010related activities frequently reported as difficult to perform by patients with long\u2010lasting LBP. The categories, however, are very broad and do not provide specified descriptions of the most frequently reported activity limitations such as sitting, standing and walking. The Brief Core Set does not include categories for frequently reported activities such as pulling\/pushing and leisure\/recreation activities. ICF Core Sets for LBP seem suitable for obtaining a gross overview of the patients' functional limitations, but do not give sufficient information from a therapeutic point of view. Copyright \u00a9 2013 John Wiley &amp; Sons, Ltd.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pri.1566","type":"journal-article","created":{"date-parts":[[2013,10,22]],"date-time":"2013-10-22T12:07:11Z","timestamp":1382443631000},"page":"99-107","source":"Crossref","is-referenced-by-count":10,"title":["Do ICF Core Sets for Low Back Pain Include Patients' Self\u2010Reported Activity Limitations because of Back Problems?"],"prefix":"10.1002","volume":"19","author":[{"given":"Hildegunn","family":"Lygren","sequence":"first","affiliation":[{"name":"Department of Occupational therapy, Physiotherapy and Radiography Faculty of Health and Social Sciences, Bergen University College  Bergen Norway"},{"name":"Department of Physiotherapy Haukeland University Hospital  Bergen Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liv Inger","family":"Strand","sequence":"additional","affiliation":[{"name":"Department of Physiotherapy Haukeland University Hospital  Bergen Norway"},{"name":"Department of Global Public Health and Primary Care, Physiotherapy Research Group University of Bergen  Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bodil","family":"Anderson","sequence":"additional","affiliation":[{"name":"Department of Physiotherapy Haukeland University Hospital  Bergen Norway"},{"name":"Department of Physical Medicine and Rehabilitation, the Outpatient Spine Clinic Haukeland University Hospital  Bergen Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liv Heide","family":"Magnussen","sequence":"additional","affiliation":[{"name":"Department of Occupational therapy, Physiotherapy and Radiography Faculty of Health and Social Sciences, Bergen University College  Bergen Norway"},{"name":"Department of Global Public Health and Primary Care, Physiotherapy Research Group University of Bergen  Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,10,22]]},"reference":[{"key":"e_1_2_9_2_1","first-page":"387","article-title":"Does the International Classification Of Functioning, Disability and Health (ICF) Core Set for low back pain cover the patients' problems? 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