Questionnaire methods in occupational skin disease epidemiology

Abstract

Questionnaires are needed for collecting information on populations. In questionnaire studies questions are part of the methods, and the quality of data depends on the quality of the questionnaire. The questionnaire must be based on clearly specified objectives. When available, use existing questionnaires adequately translated to the language understood by all respondents. NOSQ-2002 is a questionnaire, which has been translated into several languages, is designed for surveys on occupational skin diseases in epidemiological studies or workplace intervention assessments.