Table 2 The validity of the SCOFF in detecting current eating disorders (men and women combined)
From: Validation of the Finnish version of the SCOFF questionnaire among young adults aged 20 to 35 years
Threshold (number of positive answers) | Sensitivity % (95% Cl) | Specificity % (95% Cl) | Pos. Predictive value % (95% Cl) | Neg. Predictive value % (95% Cl) |
|---|---|---|---|---|
≥ 1 | 100.0 (66.4–100.0) | 70.9 (66.8–74.7) | 5.5 (2.5–10.2) | 100.0 (99.0–100.0) |
≥ 2 | 77.8 (40.0–97.2) | 87.8 (84.7–90.4) | 9.7 (4.0–19.0) | 99.6 (98.5–100.0) |
≥ 3 | 33.3 (7.5–70.1) | 97.4 (95.6–98.6) | 17.7 (3.8–43.4) | 98.9 (97.5–99.6) |
≥ 4 | 22.2 (2.8–60.0) | 99.6 (98.7–100.0) | 50.0 (6.8–93.2) | 98.7 (97.3–99.5) |