Table 1.
Performance of screening questionnaires for determining 10-item AUDIT scores of 4 or higher and 8 or higher (n = 1,751)
| Variable % | Correct | Sensitivity | Specificity | AUC (95% CI) |
| AUDIT score of ≥4 (n = 968, 55.3%) | ||||
| Heavy episodic drinking, yes = ≥4 drinks | 81.9 | .707 | .958 | .832 (.814-.849) |
| Three-item AUDIT-C | .961 (.950-.969) | |||
| Cut @ ≥2 | 85.6 | .953 | .737 | .845 (.827-.861) |
| Cut @ ≥3 | 91.5 | .916 | .915 | .915 (.901-.928) |
| Single-item AUDIT Item 3 | .910(.895-.923) | |||
| Cut @ ≥1 | 88.9 | .841 | .949 | .845 (.827-.861) |
| Cut @ ≥2 | 78.8 | .621 | .995 | .808 (.789-.826) |
| AUDIT score of ≥8 (n = 677, 38.7%) | ||||
| Heavy episodic drinking, yes = ≥4 drinks | 87.0 | .861 | .875 | .868 (.851-.884) |
| Three-item AUDIT-C | .970 (.961-.978) | |||
| Cut @ ≥2 | 73.8 | .994 | .576 | .785 (.765-.804) |
| Cut @ ≥3 | 82.9 | .984 | .732 | .858 (.841-.874) |
| Cut @ ≥4 | 87.9 | .948 | .835 | .892 (.876-.906) |
| Cut @ ≥5 | 91.1 | .898 | .919 | .906 (.894-.912) |
| Cut @ ≥6 | 90.1 | .811 | .959 | .885 (.869-.900) |
| Single-item AUDIT Item 3 | .937 (.925-.948) | |||
| Cut @ ≥1 | 84.9 | .937 | .795 | .866 (.849-.881) |
| Cut @ ≥2 | 88.7 | .801 | .941 | .871 (.854-.886) |
| Cut @ ≥3 | 85.6 | .641 | .991 | .816 (.797-.834) |
Notes: AUDIT = Alcohol Use Disorders Identification Test; AUC = area under the receiver operating characteristic curve; CI = confidence interval; AUDIT-C = AUDIT-consumption.