{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T18:16:03Z","timestamp":1787163363618,"version":"build-2736575974"},"reference-count":37,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2011,11,29]],"date-time":"2011-11-29T00:00:00Z","timestamp":1322524800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthritis Care &amp; Research"],"published-print":{"date-parts":[[2011,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To develop and validate a shortened version of the Valued Life Activities disability and accommodations scale (VLA) for individuals with rheumatoid arthritis (RA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>To shorten the existing VLA measure, item response theory analyses were conducted using data from 449 patients with RA. Next, the resulting 14\u2010item shortened version of the VLA scale (S\u2010VLA) was evaluated by structured interviews among 20 RA patients. Lastly, the S\u2010VLA was administered to 150 RA patients along with other measures, including the Health Assessment Questionnaire (HAQ) and Short Form 36 (SF\u201036). A random sample of 50 patients completed the S\u2010VLA 2 weeks later to assess reliability. Item statistics were calculated to evaluate correlations between individual items and the S\u2010VLA total score. Correlations between the S\u2010VLA and other measures were used to evaluate validity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Test\u2013retest reliability was 0.91, while Cronbach's alpha for the S\u2010VLA was 0.95. None of the 14 items was associated with improved alpha coefficients when omitted. All of the items were strongly correlated with the S\u2010VLA total score. S\u2010VLA scores were highly positively correlated with the HAQ (r = 0.81,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001), patient\u2010reported disease activity (r = 0.71,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001), satisfaction with abilities (r = 0.82,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001), and number of days with activity limitations (r = 0.65,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001). In addition, as hypothesized, the S\u2010VLA was inversely correlated with the SF\u201036 physical component summary score (r = \u22120.78,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001) and the physical functioning (r = \u22120.80,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001), role physical (r = \u22120.67,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001), and social functioning (r = \u22120.72,\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 0.001) subscales.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The S\u2010VLA is a short, valid, and reliable instrument that may prove useful for monitoring disability among individuals with RA.<\/jats:p>\n                  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