Is there a difference between CAGE interviews and written CAGE questionnaires?
GROUND: The CAGE questionnaire is a frequently studied and used instrument for screening of alcohol problems. It was developed and tested as a written questionnaire, but, clinically, it is often used as an oral interview. No comparisons have been made between the results of a written and an oral CAGE. This study attempted to (1) compare the results of a written CAGE questionnaire and a CAGE interview, and (2) compare the efficiency of using a simple open-ended question about drinking habits before asking the CAGE and asking the CAGE without an introduction. METHODS: All patients who attended a general internal medicine, cardiology, or hepatology clinic were classified according to the week of the consultation, as follows: group I (week 1), patients completed a written CAGE and were subsequently interviewed during a normal consultation by a physician, who also asked the CAGE questions; group II (week 2), a physician first interviewed the patients, including the CAGE, and subsequently pa