Psychometric characteristics of questionnaires designed to assess the knowledge, perceptions and practices of health care professionals with regards to alcoholic patients

Failure of the French health care services to diagnose and manage problem drinkers has been established on many occasions. This results from a relative lack of knowledge of the basics of alcoholism and the low level of involvement of health care professionals in the management of these patients. In response to this inadequacy, the French Public Health Ministry promoted the development of managed care and coordination of care for these patients. Teams in charge of coordinating care for problem drinkers have been implanted in 96 French hospitals since 1996. These teams aim to provide support to health care providers caring for problem drinkers. For this purpose, they have delivered continuing medical education designed to prepare health care providers to identify and manage these patients in various settings. However, no formal assessment of the impact of these interventions on the knowledge, perceptions, and practices of health care professionals has been planned. The assessment of these interventions can rely on qualitative methods such as observation, focus groups, or individual interviews. However, qualitative methods require specific skills, are time-consuming, and cannot be implemented on a large scale. In contrast, quantitative methods using survey questionnaires or standardized instruments appear to be more appropriate for large scale or repeated evaluations. However, the accuracy of ratings provided by these instruments can be affected by many methodological factors, including the quality of the instrument in terms of validity, reliability, and sensitivity to changes. The aim of this paper is to describe the properties of French and English language questionnaires designed to assess the knowledge, perceptions, and practices of health care professionals with regards to alcoholic patients. The instruments were retrieved by searching the Medline, Pascal, and Sudoc computerized bibliographic databases from January 1964 to December 2002. The following medical Subject Headings (MeSH) and text words were used: "*alcoholism/psychology/therapy", "questionnaire", "healthy care surveys", "attitude of health personnel", and "*knowledge/attitude/practice". In addition, the table of contents of the French journals devoted to alcoholism that were not indexed in electronic bibliographic databases were examined (Alcoologie et addictologie, Alcoologie). The bibliographies of relevant articles were also examined for additional citations. Finally, a phone survey of 34