CHAT positive and negative likelihood ratios, condition prevalence, and response rate.
| LR+ (95% CI) | LR− (95% CI) | Prevalence, % (positive gold standard) | Response rate,a % | |
|---|---|---|---|---|
| Nicotine dependency | 13.13 (10.22 to 16.87) | 0.11 (0.07 to 0.18) | 14.7 (142/963) | 99.8 |
| Alcohol | ||||
| Problematic drinking | 5.75 (4.76 to 6.93) | 0.22 (0.15 to 0.32) | 12 (116/967) | 97.2 |
| Alcohol dependency | 4.52 (3.80 to 5.36) | 0.07 (0.01 to 0.50) | 1.8 (17/967) | 97.2 |
| Problematic drug use | 16.24 (9.34 to 28.26) | 0.57 (0.41 to 0.79) | 3.0 (29/971) | 97.6 |
| Problematic gambling | 30.05 (17.71 to 45.81) | 0.13 (0.02 to 0.23) | 1.8 (16/909) | 91.4 |
| Major depression | 3.09 (2.76 to 3.45) | 0.06 (0.02 to 0.23) | 5.3 (50/947) | 95.2 |
| Anxiety | 3.32 (2.91 to 3.80) | 0.16 (0.10 to 0.28) | 11 (101/927) | 93.2 |
| Abuse | ||||
| Verbal abuse CTS | 12.27 (7.79 to 19.32) | 0.40 (0.23 to 0.69) | 2.6 (21/794) | 79.8 |
| Physical abuse CTS | 13.15 (7.84 to 22.05) | 0.21 (0.04 to 1.23) | 0.6 (5/794) | 79.8 |
| Victim according to HITS | 11.11 (7.08 to 17 to 44) | 0.54 (0.40 to 0.72) | 4.9 (41/838) | 84.2 |
| Anger | ||||
| Verbal abuse | 5.34 (3.62 to 7.96) | 0.42 (0.23 to 0.75) | 2.4 (19/792) | 79.6 |
| Physical abuse | 3.90 (1.44 to 10.57) | 0.57 (0.22 to 1.53) | 0.5 (4/792) | 79.6 |
| Exercise | 0.43 (0.36 to 3.08) | 1.83 (1.62 to 2.08) | 46 (401/874) | 87.8 |
| Eating disorder | 2.75 (2.46 to 3.08) | 0.14 (0.08 to 0.24) | 14 (127/932) | 93.7 |
↵a Total n = 995. CHAT = Case-finding and Help Assessment Tool. CTS = Conflict Tactics Scale. HITS = ‘Hurts, Insults, Threatens, Screams’ tool. LR+ = likelihood ratio of positive test. LR− = likelihood ratio of negative test.