Occupational dermatoses. Cross-cultural adaptation of the Nordic Occupational Skin Questionnaire (NOSQ-2002) from English to Spanish and Catalan

N. Sala-Sastre, M. Herdman, L. Navarro, M. De La Prada, R. Pujol, C. Serra, J. Alonso, M. A. Flyvholm, A. M. Giménez-Arnau

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)


Background: Eczema of the hands and urticaria are very common occupational dermatoses. The Nordic Occupational Skin Questionnaire (NOSQ-2002), developed in English, is an essential tool for the study of occupational skin diseases. The short version of the questionnaire is useful for screening and the long version is used to study risk factors. Objective: The aim of this study was to culturally adapt the long version of the NOSQ to Spanish and Catalan and to ensure comprehension, semantic validity, and equivalence with the original. Methods: The principles of the International Society for Pharmacoeconomics and Outcomes Research for good research practices were applied. A 4-phase method was used, with direct, revised translation, back translation, and cognitive interviews. Results: After direct translation, a first version was issued by the Spanish Working Group. This version was evaluated in cognitive interviews. Modifications were made to 39 questions (68 %) in the Spanish version and 27 questions (47 %) in the Catalan version. Changes included addition of examples to improve understanding, reformulation of instructions, change to use of a direct question format, and addition of certain definitions. The back translation was evaluated by the original authors, leading to a further 7 changes in the Spanish version and 2 in the Catalan version. The third consensus version underwent a second round of cognitive interviews, after which the definitive version in each language was issued. Conclusion: Spanish and Catalan versions of the NOSQ-2002 questionnaire are available at www.ami.dk/NOSQ and www.arbejdsmiljoforskning.dk.
Original languageEnglish
Pages (from-to)685-692
JournalActas Dermo-Sifiliograficas
Issue number8
Publication statusPublished - 1 Oct 2009


  • Cognitive interviews
  • Hand eczema
  • Nordic Occupational Skin Questionnaire-2002
  • Occupational dermatosis
  • Urticaria


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