Candidate Predictor Variable | Variable structure in NDTMS-HES-ONS |
---|---|
Age | Continuous |
Sex | Binary: 1: Male 2: Female |
Injecting status | Categorical: 1: Currently injecting 2. Previously injected (but not currently) 3: Never injected |
HIV positivity | Binary: 1: Yes 2: No |
Hepatitis C RNA positivity | Binary: 1: Positive 2: Negative (never infected or cleared by treatment) |
Polysubstance use: Current number of substances used problematically | Count |
Problematic alcohol use | Binary: 1: Any current problematic use of alcohol 2: No current problematic use of alcohol |
Problematic benzodiazepine use | Binary: 1. Any current problematic use of any benzodiazepine 2. No current problematic use of any benzodiazepine |
Housing status | Categorical: 1: No fixed abode—urgent housing problem, i.e -—Lives on streets/rough sleeper -—Uses night shelter (night-by-night basis) /emergency hostels -—Sofa surfing/sleeps on different friend’s floor each night 2: Housing problem, i.e - Staying with friends/family as a short-term guest - Night winter shelter - Direct access short stay hostel - Short-term B & B or other hotel - Placed in temporary accommodation by the Local Authority - Squatting 3: No housing problem - Owner-occupier - Tenant—private landlord/ housing association/ Local - Authority/registered landlord/arm’s length management organisation - Approved premises - Supported housing/hostel - Traveller - Own property - Settled mainstream housing with friends/family - Shared ownership scheme |
Recent acute inpatient hospital admission | Binary: 1. Inpatient acute hospital admission within the last 6 months 2. No acute inpatient hospital admissions within the last 6 months |
Recent mental health inpatient hospital admission | Binary: 1. Inpatient mental health hospital admission within the last 6 months 2. No inpatient mental health hospital admissions within the last 6 months |
Recent history of incarceration | Binary: 1. Referred to the drug service from prison 2. Referred to the drug service by any other source |