CHAT Specificity With and Without the Help Questions
| Condition | Specificity No Help Question % (95% CI) | Specificity With Help Question % (95% CI) |
|---|---|---|
| CHAT=Case-finding and Help Assessment Tool; CI = confidence interval. | ||
| Nicotine dependency | 91 (89–93) | 99 (98–99) |
| Problematic drinking | 85 (82–87) | 99 (99–100) |
| Problematic drug use | 98 (97–99) | 99 (99–100) |
| Problematic gambling | 98 (97–99) | 99 (99–100) |
| Major depression | 73 (70–76) | 98 (97–99) |
| Anxiety | 77 (73–80) | 99 (98–100) |
| Being verbally abused | 97 (96–98) | 99 (98–100) |
| Being physically abused | 94 (92–95) | 99 (98–100) |
| Being verbally angry | 92 (89–94) | 99 (98–100) |
| Being physically angry | 91 (88–93) | 99 (98–100) |