Table 1.
Sources of resource use data and assumptions made
| Resource components | Data source | Assumption if data unavailable |
|---|---|---|
| Before street triage implemented | ||
| Number of incidents attended by police ending in section 136 | Sussex data set | |
| Number of incidents attended by police ending in no further action | Assumption | Total number of incidents attended (calculated as described in text above) minus number of incidents attended ending in detention |
| Referral to other services for those people brought to custody | Clinical team advice | 1 GP contact (referred to GP as a minimum, so this is a conservative assumption) |
| After street triage implemented | ||
| Number of incidents attended by street triage team ending in section 136 detention | Sussex data set | |
| Number of incidents attended by street triage team ending in referral to alternative service | Sussex data set | |
| Number of incidents attended by street triage team ending in no further action | Sussex data set | |
| Number of incidents attended by police when street triage unavailable ending in section 136 detention | Sussex data set | |
| Number of incidents attended by police when street triage unavailable ending in no further action | Assumption | Calculated as described in text above |
| Duration of police attendance prior to street triage team arriving | Sussex data set | |
| Referral to other services by street triage team (GP, A&E, mental health team, other) | Sussex data set | |
| Number of contacts with service referred to (GP, A&E, mental health team, other) | Clinical team advice | 1 contact |
| Before and after street triage implemented | ||
| Length of stay in hospital | Clinical team advice | 1 day |
| Length of stay in custody | Heslin et al6 | 12 hours |
| Mental Health Act assessment (mandatory if brought to custody) | Heslin et al6 | 3 hours for two section 12 doctors plus an Approved Mental Health Professional |
| Duration of incidents attended by police ending in section 136 (for microcosting purposes) | Heslin et al6 | 511 min |
| Duration of incidents attended by police ending in no further action (for microcosting purposes) | Heslin et al6 | 276 min |
GP, general practitioner.