Journal of Clinical Epidemiology
Volume 63, Issue 3 , Pages 321-330, March 2010

A multilevel item response theory model was investigated for longitudinal vision-related quality-of-life data

  • Ruth M.A. van Nispen

      Affiliations

    • Department of Ophthalmology, VU University Medical Center Amsterdam, Amsterdam, The Netherlands
    • The EMGO Institute for Health and Care Research (EMGO+) VU University Medical Center Amsterdam, Amsterdam, The Netherlands
    • Corresponding Author InformationCorresponding author. Department of Ophthalmology, VU University Medical Center Amsterdam, PO Box 7057, 1007 MB Amsterdam, The Netherlands. Tel: +31-(0)20-444-4795; fax: +31-(0)20-444-4745.
    • ,
  • Dirk L. Knol

      Affiliations

    • The EMGO Institute for Health and Care Research (EMGO+) VU University Medical Center Amsterdam, Amsterdam, The Netherlands
    • Department of Epidemiology and Biostatistics, VU University Medical Center Amsterdam, Amsterdam, The Netherlands
    • ,
  • Han J. Neve

      Affiliations

    • Sensis Low Vision Rehabilitation, Eindhoven, The Netherlands
    • ,
  • Ger H.M.B. van Rens

      Affiliations

    • Department of Ophthalmology, VU University Medical Center Amsterdam, Amsterdam, The Netherlands
    • The EMGO Institute for Health and Care Research (EMGO+) VU University Medical Center Amsterdam, Amsterdam, The Netherlands
    • Department of Ophthalmology, Elkerliek Hospital, Helmond, The Netherlands

Accepted 2 June 2009. published online 22 September 2009.

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PII: S0895-4356(09)00207-8

doi:10.1016/j.jclinepi.2009.06.012

Journal of Clinical Epidemiology
Volume 63, Issue 3 , Pages 321-330, March 2010

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