01 - Scoring & cutoffs
How scoring works.
Score the single question by the number of heavy-drinking days reported in the past year. Zero days is a negative screen: no unhealthy alcohol use detected, so reinforce staying within lower-risk limits and re-screen periodically. One or more days is a positive screen, indicating possible unhealthy alcohol use - follow up with a fuller assessment such as the AUDIT-C or the full AUDIT, plus a clinical conversation about quantity, frequency and consequences.
In the primary-care validation (Smith et al., 2009, n = 286), a response of one or more was 81.8% sensitive (95% CI 72.5-88.5) and 79.3% specific (95% CI 73.1-84.4) for unhealthy alcohol use. A positive screen is a prompt for further assessment, not a diagnosis. The USPSTF names this single question alongside the AUDIT-C as a preferred brief screen for adults; evidence in adolescents is insufficient.