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The screening consisted of determination of blood alcohol concentration (BAC) through the use of either a saliva test strip (STS) (ALCO-SCREEN by Chematics, North Webster, IN) or a serum BAC.
Immediately prior to the administration of the questionnaire, a "dip stick" saliva pipeline procedure (Alco Screen, Chematics, Inc.) was used to increase the potential for accurate self-reported alcohol and other drug use.[16-18] Post-tests were conducted three-months after the conclusion of the STARS program using identical data collection procedures and measures.