Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí hóa học quốc tế đề tài : Measurement properties of the Dizziness Handicap Inventory by cross-sectional and longitudinal designs | Health and Quality of Life Outcomes BioMed Central Open Access Measurement properties of the Dizziness Handicap Inventory by cross-sectional and longitudinal designs Anne-Lise Tamber 1 2 Kjersti T Wilhelmsen3 4 5 and Liv Inger Strand5 Address faculty of Health Sciences Oslo University College Norway institute of General Practice and Community Medicine Faculty of Medicine University of Oslo Norway 3Department of Physiotherapy Bergen University College Norway 4National Centre of Vestibular Disorders Department of Otorhinolaryngology Head and Neck Surgery Haukeland University Hospital Bergen Norway and 5Department of Public Health and Primary Health Care Section for Physiotherapy Science University of Bergen Norway Email Anne-Lise Tamber - Kjersti T Wilhelmsen - Liv Inger Strand - Corresponding author Published 21 December 2009 Received 12 March 2009 Health and Quality of Life Outcomes 2009 7 101 doi l477-7525-7-101 Accepted 21 December 2009 This article is available from http content 7 1 101 2009 Tamber et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The impact of dizziness on quality of life is often assessed by the Dizziness Handicap Inventory DHI which is used as a discriminate and evaluative measure. The aim of the present study was to examine reliability and validity of a translated Norwegian version DHI-N also examining responsiveness to important change in the construct being measured. Methods Two samples n 92 and n 27 included participants with dizziness of mainly vestibular origin. A cross-sectional design was used to examine the factor structure exploratory factor analysis internal consistency .
