It is a 25-item questionnaire for patients over the age of 16[2] with a maximum score of 25 and is restricted to yes or no answers.[3] Higher scores on the QoLIAD indicate a greater negative influence that the disease has on quality of life.[4]
Development
The QoLIAD was developed in 2004 and funded by Novartis Pharma AG, Switzerland. It was produced in several countries and the content was derived from 65 qualitative interviews with patients in the UK, Italy and Netherlands. The initial version of the measure was produced in UK English and it was then translated for the Netherlands, Italy, Germany, France and the US. A Spanish version was then later developed. Further tests were implemented to validate the measure and it was administered to 300 patients in each country to finalize the instrument.[5]
The institutions involved in the development of the QoLIAD are: Galen Research (United Kingdom), Erasmus University (The Netherlands), University of Greifswald (Germany), University of Verona (Italy), C.H.U Bichat (France), 3D Health Research (Spain) and Novartis Pharmaceuticals Corporation (USA).[5]
International use
The QoLIAD has been translated into seven languages other than UK English.[6] They include German, Spanish and Japanese.
The QoLIAD has also been utilized to assess the effectiveness of new treatments of atopic dermatitis. This includes studies looking into educational intervention,[4][7] topical corticosteroids[8] and pimecrolimus.[9]
1 2 Lambert, J.; Bostoen, J.; Geusens, B.; Bourgois, J.; Boone, J.; De Smedt, D.; Annemans, L. (January 2011). "A novel multidisciplinary educational programme for patients with chronic skin diseases: Ghent pilot project and first results". Archives of Dermatological Research. 303 (1): 57–63. doi:10.1007/s00403-010-1082-z. PMID20842368. S2CID20817434.
1 2 Whalley, D.; McKenna, S.P.; Dewar, A.L.; Erdman, R.A.; Kohlmann, T.; Niero, M.; Cook, S.A.; Crickx, B.; Herdman, M.J.; Frech, F.; Van Assche, D. (2004). "A new instrument for assessing quality of life in atopic dermatitis: international development of the Quality of Life Index for Atopic Dermatitis (QoLIAD)". British Journal of Dermatology. 150 (2): 274–283. doi:10.1111/j.1365-2133.2004.05783.x. PMID14996098. S2CID23271179.
↑ "Measures Database". Galen-Research.com. Galen Research. Retrieved 28 October 2013.
↑ Bostoen, J.; Bracke, S.; De Keyser, S.; Lambert, J. (November 2012). "An educational programme for patients with psoriasis and atopic dermatitis: a prospective randomized controlled trial". The British Journal of Dermatology. 167 (5): 1025–1031. doi:10.1111/j.1365-2133.2012.11113.x. PMID22709422. S2CID11139439.
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