Table 1.
Case Prevalence by CHAT and Reference Standards
| Condition | CHAT- Positive Cases | Reference Standard | Case Criteria | Reference Standard–Positive Cases % (n/N)a |
| Nicotine dependency | 38 | Heavy Smoking Index (HSI)9 | >2 | 6.8 (51/755) |
| Problematic drinking | 67 | Alcohol Use Disorders Identification Test (AUDIT)10 | >7 | 11.3 (84/746) |
| Problematic drug use | 9 | Drug Abuse Screening Test (DAST)11 | >5 | 1.9 (14/750) |
| Problematic gambling | 4 | South Oaks Gambling Screen (SOGS)12 | ≥4 | 0.7 (5/688) |
| Major depression | 30 | Patient Health Questionnaire – Depression (PHQ-9)13 | ≥15 | 4.1 (30/737) |
| Anxiety | 58 | Hospital Anxiety & Depression Scale (HADS)14 | A >10 | 9.3 (68/728) |
| Being verbally abused | 8 | Conflict Tactic Scale 1 (CTS-1)15 | VA ≥15 | 2 (12/688) |
| Being physically abused | 1 | Conflict Tactic Scale 1 (CTS-1)15 | PA ≥24 | 0.3 (2/594) |
| Being verbally angry | 10 | Conflict Tactic Scale 1 (CTS-1)15 | VA ≥15 | 2.2 (13/594) |
| Being physically angry | 1 | Conflict Tactic Scale 1 (CTS-1)15 | PA ≥24 | 0.3 (2/594) |
A=anxiety score; CHAT=Case-finding and Help Assessment Tool; PA = physical aggression scale; VA = verbal aggression scale.
a No. of cases/No. responding.