Does a local Alcohol Health Champion programme have a measurable impact on health and crime outcomes? A natural experiment evaluation of Communities in Charge of Alcohol (CICA) based on triangulation of methods.

BACKGROUND AND AIM: Drinking alcohol may cause harm to an individual's health and social relationships, while a drinking culture may harm societies as it may increase crime rates and make an area feel less safe. Local councils in Greater Manchester, UK, developed the Communities in Charge of Alcohol (CICA) intervention, in which volunteers were trained to give alcohol-related advice to the public and taught how to influence policies to restrict when, where and how alcohol is sold. As part of a larger study, the aim of the current project is to measure the impact of CICA on health and crime outcomes at the lower super output (LSOA) geographical aggregation. DESIGN: Quantitative evaluation using four time series analytic methods (stepped-wedge design, and comparisons to local controls, national controls and synthetic controls) with findings triangulated across these methods. A cost-benefit analysis was carried out alongside the effectiveness analysis. SETTING AND PARTICIPANTS: The general public in Greater Manchester, UK, between 2010 and 2020. MEASUREMENTS: The primary outcome of interest was alcohol-related hospital admissions. Secondary outcomes were accident and emergency (A&E) attendances, ambulance callouts, recorded crimes and anti-social behaviour incidents. FINDINGS: Triangulation of the results did not indicate any consistent effect on area-level alcohol-related hospital admissions, A&E attendances, ambulance callouts, reported crimes or anti-social behaviour associated with the implementation of CICA. The primary stepped-wedge analysis indicated an increase in alcohol-related hospital admissions following the implementation of CICA of 13.4% (95% confidence interval -3.3%, +30.1%), which was consistent with analyses based on other methods with point estimates ranging from +3.4% to 16.4%. CONCLUSION: There is no evidence of a measurable impact of the Communities in Charge of Alcohol (CICA) programme on area-level health and crime outcomes in Greater Manchester, UK, within 3 years of the programme start. The increase in alcohol-related hospital admissions was likely the result of other temporal trends rather than the CICA programme. Possible explanations include insufficient follow-up time, too few volunteers trained, volunteers being unwilling to get involved in licensing decisions or that the intervention has no direct impact on the selected outcomes.

'A priori' external contextual factors and relationships with process indicators: a mixed methods study of the pre-implementation phase of 'Communities in Charge of Alcohol'.

BACKGROUND: It is widely recognised that complex public health interventions roll out in distinct phases, within which external contextual factors influence implementation. Less is known about relationships with external contextual factors identified a priori in the pre-implementation phase. We investigated which external contextual factors, prior to the implementation of a community-centred approach to reducing alcohol harm called 'Communities in Charge of Alcohol' (CICA), were related to one of the process indicators: numbers of Alcohol Health Champions (AHCs) trained. METHODS: A mixed methods design was used in the pre-implementation phase of CICA. We studied ten geographic communities experiencing both high levels of deprivation and alcohol-related harm in the North West of England. Qualitative secondary data were extracted from pre-implementation meeting notes, recorded two to three months before roll-out. Items were coded into 12 content categories using content analysis. To create a baseline 'infrastructure score', the number of external contextual factors documented was counted per area to a maximum score of 12. Descriptive data were collected from training registers detailing training numbers in the first 12 months. The relationship between the baseline infrastructure score, external contextual factors, and the number of AHCs trained was assessed using non-parametric univariable statistics. RESULTS: There was a positive correlation between baseline infrastructure score and total numbers of AHCs trained (Rs = 0.77, p = 0.01). Four external contextual factors were associated with significantly higher numbers of lay people recruited and trained: having a health care provider to coordinate the intervention (p = 0.02); a pool of other volunteers to recruit from (p = 0.02); a contract in place with a commissioned service (p = 0.02), and; formal volunteer arrangements (p = 0.03). CONCLUSIONS: Data suggest that there were four key components that significantly influenced establishing an Alcohol Health Champion programme in areas experiencing both high levels of deprivation and alcohol-related harm. There is added value of capturing external contextual factors a priori and then testing relationships with process indicators to inform the effective roll-out of complex interventions. Future research could explore a wider range of process indicators and outcomes, incorporating methods to rate individual factors to derive a mean score. TRIAL REGISTRATION: ISRCTN81942890, date of registration 12/09/2017.

Communities in charge of alcohol (CICA): a protocol for a stepped-wedge randomised control trial of an alcohol health champions programme.

BACKGROUND: Communities In Charge of Alcohol (CICA) takes an Asset Based Community Development (ABCD) approach to reducing alcohol harm. Through a cascade training model, supported by a designated local co-ordinator, local volunteers are trained to become accredited 'Alcohol Health Champions' to provide brief opportunistic advice at an individual level and mobilise action on alcohol availability at a community level. The CICA programme is the first time that a devolved UK region has attempted to coordinate an approach to building health champion capacity, presenting an opportunity to investigate its implementation and impact at scale. This paper describes the protocol for a stepped wedge randomised controlled trial of an Alcohol Health Champions programme in Greater Manchester which aims to strengthen the evidence base of ABCD approaches for health improvement and reducing alcohol-related harm. METHODS: A natural experiment that will examine the effect of CICA on area level alcohol-related hospital admissions, Accident and Emergency attendances, ambulance call outs, street-level crime and anti-social behaviour data. Using a stepped wedged randomised design (whereby the intervention is rolled out sequentially in a randomly assigned order), potential changes in health and criminal justice primary outcomes are analysed using mixed-effects log-rate models, differences-in-differences models and Bayesian structured time series models. An economic evaluation identifies the set-up and running costs of CICA using HM Treasury approved standardised methods and resolves cost-consequences by sector. A process evaluation explores the context, implementation and response to the intervention. Qualitative analyses utilise the Framework method to identify underlying themes. DISCUSSION: We will investigate: whether training lay people to offer brief advice and take action on licensing decisions has an impact on alcohol-related harm in local areas; the cost-consequences for health and criminal justice sectors, and; mechanisms that influence intervention outcomes. As well as providing evidence for the effectiveness of this intervention to reduce the harm from alcohol, this evaluation will contribute to broader understanding of asset based approaches to improve public health. TRIAL REGISTRATION: ISRCTN 81942890 , date of registration 12/09/2017.

A controlled before-and-after evaluation of a mobile crisis partnership between mental health and police services in Nova Scotia.

OBJECTIVES: Police are often the front-line response to people experiencing mental health crises. This study examined the impact of an integrated mobile crisis team formed in partnership between mental health services, municipal police, and emergency health services. The service offered short-term crisis management, with mobile interventions being attended by a plainclothes police officer and a mental health professional. METHODS: We used a mixed-methods design encompassing: a controlled before-and-after quantitative comparison of the intervention area with a control area without access to such a service, for 1 year before and 2 years after program implementation; and qualitative assessments of the views of service recipients, families, police officers, and health staff at baseline and 2 years afterward. RESULTS: The integrated service resulted in increased use by people in crisis, families, and service partners (for example, from 464 to 1666 service recipients per year). Despite increased service use, time spent on-scene and call-to-door time were reduced. At year 2, the time spent on-scene by police (136 minutes) was significantly lower than in the control area (165 minutes) (Student t test = 3.4, df = 1649, P < 0.001). After adjusting for confounders, people seen by the integrated team (n = 295) showed greater engagement than control subjects as measured by outpatient contacts (b = 1.3, chi square = 92.7, df = 1, P < 0.001). The service data findings were supported by the qualitative results of focus groups and interviews. CONCLUSIONS: Partnerships between the police department and mental health system can improve collaboration, efficiency, and the treatment of people with mental illness.

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