<prompt> Translate the following text to EnglishKatika utafiti wa ED, BAC ilikuwa skrini mbaya kwa matumizi mabaya ya pombe au utegemezi na unyeti wa asilimia 20, chini ya unyeti kuliko kunywa kujiripoti.  <response>: 43 In an ED study, BAC was a poor screen for alcohol abuse or dependence with a sensitivity of 20 percent, less sensitive than self-reported drinking. 