{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T04:30:31Z","timestamp":1789878631364,"version":"4.0.1"},"reference-count":46,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2014,5,26]],"date-time":"2014-05-26T00:00:00Z","timestamp":1401062400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000801","name":"Bayer Healthcare","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000801","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004319","name":"Pfizer","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004319","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Haemophilia"],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Treatment adherence in haemophilia is strongly associated with quality of life and the cost\u2013benefit of treatment. Therefore, it is important to quantify and monitor it. This study aimed to validate a translation of the<jats:styled-content style=\"fixed-case\">VERITAS<\/jats:styled-content>\u2010Pro cross\u2010culturally and analyse treatment adherence in a Dutch population of paediatric haemophilia patients. Children aged 1\u201318\u00a0years with haemophilia were included from three Haemophilia Treatment Centres, on prophylactic clotting factor replacement therapy for more than 1 year. Parents and adolescents were analysed separately. The adherence scale for prophylactic therapy (<jats:styled-content style=\"fixed-case\">VERITAS<\/jats:styled-content>\u2010Pro) was translated according to international guidelines. This instrument contains a total of six subscales (\u2018Time\u2019, \u2018Dose\u2019, \u2018Plan\u2019, \u2018Remember\u2019, \u2018Skip\u2019 and \u2018Communicate\u2019) each with four items. Lower scores reflect<jats:italic>higher<\/jats:italic>adherence. Overall response rate was 85%, leading to a study population of 60 children. Mean age was 10\u00a0years (<jats:styled-content style=\"fixed-case\">SD<\/jats:styled-content>4.1).<jats:italic>Internal consistency reliability<\/jats:italic>: Mean Cronbach's alphas were adequate (&gt;0.70) for total score and the subscales \u2018Skip\u2019 and \u2018Communicate\u2019. Item\u2010own subscale correlations were stronger than most item\u2010other subscale correlations.<jats:italic>Convergent validity<\/jats:italic>: Total scores were higher for non\u2010adherent participants compared with adherent participants according to patient infusion logs (<jats:italic>n<\/jats:italic>\u00a0=\u00a048;<jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.05<jats:italic>). Test\u2013retest correlations:<\/jats:italic>Significant for all scales except \u2018Dose\u2019 (<jats:italic>n<\/jats:italic>\u00a0=\u00a058;<jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.01). This study demonstrates applicability of<jats:styled-content style=\"fixed-case\">VERITAS<\/jats:styled-content>\u2010Pro outside the United States, as total score and most subscales effectively quantified treatment adherence in a Dutch paediatric population on prophylactic therapy. Non\u2010adherent respondents\u2019 total scores were significantly higher, demonstrating the ability of<jats:styled-content style=\"fixed-case\">VERITAS<\/jats:styled-content>\u2010Pro to identify non\u2010adherent individuals.<\/jats:p>","DOI":"10.1111\/hae.12463","type":"journal-article","created":{"date-parts":[[2014,5,27]],"date-time":"2014-05-27T04:12:44Z","timestamp":1401163964000},"page":"616-623","source":"Crossref","is-referenced-by-count":33,"title":["Adherence to treatment in a Western European paediatric population with haemophilia: reliability and validity of the<scp>VERITAS<\/scp>\u2010Pro scale"],"prefix":"10.1111","volume":"20","author":[{"given":"J.","family":"Lock","sequence":"first","affiliation":[{"name":"Department of Paediatric Haematology Erasmus MC \u2010 Sophia Children's Hospital Rotterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Raat","sequence":"additional","affiliation":[{"name":"Department of Public Health Erasmus MC, University Medical Centre Rotterdam Rotterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Duncan","sequence":"additional","affiliation":[{"name":"Department of Haematology Indiana Haemophilia and Thrombosis Centre Indianapolis IN USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Shapiro","sequence":"additional","affiliation":[{"name":"Department of Haematology Indiana Haemophilia and Thrombosis Centre Indianapolis IN USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Beijlevelt","sequence":"additional","affiliation":[{"name":"Department of Paediatric Haematology Academic Medical Centre Amsterdam Amsterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Peters","sequence":"additional","affiliation":[{"name":"Department of Paediatric Haematology Academic Medical Centre Amsterdam Amsterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. Y. J.","family":"Tamminga","sequence":"additional","affiliation":[{"name":"Department of Paediatric Haematology University Medical Centre Groningen Groningen Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F. W. G.","family":"Leebeek","sequence":"additional","affiliation":[{"name":"Department of Haematology Erasmus MC, University Medical Centre Rotterdam Rotterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H. A.","family":"Moll","sequence":"additional","affiliation":[{"name":"Department of General Paediatrics Erasmus MC \u2013 Sophia Children's Hospital Rotterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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