The Obsessive Compulsive Drinking Scale (OCDS) is a 14-item questionnaire that measures an individual’s alcohol use and his/her attempts to control his/her drinking.
Each item is scored on a scale from 0 to 4.
Obsessive subscale is the summation of items 1-6.
Compulsive subscale is the summation of items 7-14.
Anton, R. F., Moak, D. H., & Latham, P. (1995). The Obsessive Compulsive Drinking Scale: a self‐rated instrument for the quantification of thoughts about alcohol and drinking behavior. Alcoholism: Clinical and Experimental Research, 19(1), 92-99.