Long-term effectiveness of the ACCESS program in linking community mental health services to homeless persons with serious mental illness

Exploring the effect of case management in homelessness per components: A systematic review of effectiveness and implementation, with meta-analysis and thematic synthesis

Background

Adequate housing is a basic human right. The many millions of people experiencing homelessness (PEH) have a lower life expectancy and more physical and mental health problems. Practical and effective interventions to provide appropriate housing are a public health priority.

Objectives

To summarise the best available evidence relating to the components of case-management interventions for PEH via a mixed methods review that explored both the effectiveness of interventions and factors that may influence its impact.

Search Methods

We searched 10 bibliographic databases from 1990 to March 2021. We also included studies from Campbell Collaboration Evidence and Gap Maps and searched 28 web sites. Reference lists of included papers and systematic reviews were examined and experts contacted for additional studies.

Selection Criteria

We included all randomised and non-randomised study designs exploring case management interventions where a comparison group was used. The primary outcome of interest was homelessness. Secondary outcomes included health, wellbeing, employment and costs. We also included all studies where data were collected on views and experiences that may impact on implementation.

Data Collection and Analysis

We assessed risk of bias using tools developed by the Campbell Collaboration. We conducted meta-analyses of the intervention studies where possible and carried out a framework synthesis of a set of implementation studies identified by purposive sampling to represent the most 'rich' and 'thick' data.

Main Results

We included 64 intervention studies and 41 implementation studies. The evidence base was dominated by studies from the USA and Canada. Participants were largely (though not exclusively) people who were literally homeless, that is, living on the streets or in shelters, and who had additional support needs. Many studies were assessed as having a medium or high risk of bias. However, there was some consistency in outcomes across studies that improved confidence in the main findings.

Case Management and Housing Outcomes

Case management of any description was superior to usual care for homelessness outcomes (standardised mean difference [SMD] = -0.51 [95% confidence interval [CI]: -0.71, -0.30]; p < 0.01). For studies included in the meta-analyses, Housing First had the largest observed impact, followed by Assertive Community Treatment, Critical Time Intervention and Intensive Case Management. The only statistically significant difference was between Housing First and Intensive Case Management (SMD = -0.6 [-1.1, -0.1]; p = 0.03) at ≥12 months. There was not enough evidence to compare the above approaches with standard case management within the meta-analyses. A narrative comparison across all studies was inconclusive, though suggestive of a trend in favour of more intensive approaches.

Case Management and Mental Health Outcomes

The overall evidence suggested that case management of any description was not more or less effective compared to usual care for an individual's mental health (SMD = 0.02 [-0.15, 0.18]; p = 0.817).

Case Management and Other Outcomes

Based on meta-analyses, case management was superior to usual care for capability and wellbeing outcomes up to 1 year (an improvement of around one-third of an SMD; p < 0.01) but was not statistically significantly different for substance use outcomes, physical health, and employment.

Case Management Components

For homelessness outcomes, there was a non-significant trend for benefits to be greater in the medium term (≤3 years) compared to long term (>3 years) (SMD = -0.64 [-1.04, -0.24] vs. -0.27 [-0.53, 0]; p = 0.16) and for in-person meetings in comparison to mixed (in-person and remote) approaches (SMD = -0.73 [-1.25,-0.21]) versus -0.26 [-0.5,-0.02]; p = 0.13). There was no evidence from meta-analyses to suggest that an individual case manager led to better outcomes then a team, and interventions with no dedicated case manager may have better outcomes than those with a named case manager (SMD = -0.36 [-0.55, -0.18] vs. -1.00 [-2.00, 0.00]; p = 0.02). There was not enough evidence from meta-analysis to assess whether the case manager should have a professional qualification, or if frequency of contact, case manager availability or conditionality (barriers due to conditions attached to service provision) influenced outcomes. However, the main theme from implementation studies concerned barriers where conditions were attached to services.

Characteristics of Persons Experiencing Homelessness

No conclusions could be drawn from meta-analysis other than a trend for greater reductions in homelessness for persons with high complexity of need (two or more support needs in addition to homelessness) as compared to those with medium complexity of need (one additional support need); effect sizes were SMD = -0.61 [-0.91, -0.31] versus -0.36 [-0.68, -0.05]; p = 0.3.

The Broader Context of Delivery of Case Management Programmes

Other major themes from the implementation studies included the importance of interagency partnership; provision for non-housing support and training needs of PEH (such as independent living skills), intensive community support following the move to new housing; emotional support and training needs of case managers; and an emphasis on housing safety, security and choice.

Cost Effectiveness

The 12 studies with cost data provided contrasting results and no clear conclusions. Some case management costs may be largely off-set by reductions in the use of other services. Cost estimates from three North American studies were $45-52 for each additional day housed.

Authors' Conclusions

Case management interventions improve housing outcomes for PEH with one or more additional support needs, with more intense interventions leading to greater benefits. Those with greater support needs may gain greater benefit. There is also evidence for improvements to capabilities and wellbeing. Current approaches do not appear to lead to mental health benefits. In terms of case management components, there is evidence in support of a team approach and in-person meetings and, from the implementation evidence, that conditions associated with service provision should be minimised. The approach within Housing First could explain the finding that overall benefits may be greater than for other types of case management. Four of its principles were identified as key themes within the implementation studies: No conditionality, offer choice, provide an individualised approach and support community building. Recommendations for further research include an expansion of the research base outside North America and further exploration of case management components and intervention cost-effectiveness.

Racial Health Equity and Social Needs Interventions: A Review of a Scoping Review

Importance

Social needs interventions aim to improve health outcomes and mitigate inequities by addressing health-related social needs, such as lack of transportation or food insecurity. However, it is not clear whether these studies are reducing racial or ethnic inequities.

Objective

To understand how studies of interventions addressing social needs among multiracial or multiethnic populations conceptualize and analyze differential intervention outcomes by race or ethnicity.

Evidence Review

Sources included a scoping review of systematic searches of PubMed and the Cochrane Library from January 1, 1995, through November 29, 2021, expert suggestions, and hand searches of key citations. Eligible studies evaluated interventions addressing social needs; reported behavioral, health, or utilization outcomes or harms; and were conducted in multiracial or multiethnic populations. Two reviewers independently assessed titles, abstracts, and full text for inclusion. The team developed a framework to assess whether the study was "conceptually thoughtful" for understanding root causes of racial health inequities (ie, noted that race or ethnicity are markers of exposure to racism) and whether analyses were "analytically informative" for advancing racial health equity research (ie, examined differential intervention impacts by race or ethnicity).

Findings

Of 152 studies conducted in multiracial or multiethnic populations, 44 studies included race or ethnicity in their analyses; of these, only 4 (9%) were conceptually thoughtful. Twenty-one studies (14%) were analytically informative. Seven of 21 analytically informative studies reported differences in outcomes by race or ethnicity, whereas 14 found no differences. Among the 7 that found differential outcomes, 4 found the interventions were associated with improved outcomes for minoritized racial or ethnic populations or reduced inequities between minoritized and White populations. No studies were powered to detect differences.

Conclusions and Relevance

In this review of a scoping review, studies of social needs interventions in multiracial or multiethnic populations were rarely conceptually thoughtful for understanding root causes of racial health inequities and infrequently conducted informative analyses on intervention effectiveness by race or ethnicity. Future work should use a theoretically sound conceptualization of how race (as a proxy for racism) affects social drivers of health and use this understanding to ensure social needs interventions benefit minoritized racial and ethnic groups facing social and structural barriers to health.

Characteristics and Effectiveness of Co-Designed Mental Health Interventions in Primary Care for People Experiencing Homelessness: A Systematic Review

People experiencing homelessness (PEH) face a disproportionately high prevalence of adverse mental health outcomes compared with the non-homeless population and are known to utilize primary healthcare services less frequently while seeking help in emergency care facilities. Given that primary health services are more efficient and cost-saving, services with a focus on mental health that are co-designed with the participation of users can tackle this problem. Hence, we aimed to synthesize the current evidence of such interventions to assess and summarize the characteristics and effectiveness of co-designed primary mental healthcare services geared towards adult PEH. Out of a total of 10,428 identified records, four articles were found to be eligible to be included in this review. Our findings show that co-designed interventions positively impacted PEH's mental health and housing situation or reduced hospital and emergency department admissions and increased primary care utilization. Therefore, co-designed mental health interventions appear a promising way of providing PEH with continued access to primary mental healthcare. However, as co-designed mental health interventions for PEH can improve overall mental health, quality of life, housing, and acute service utilization, more research is needed.

Collaboration among vocational rehabilitation and mental health leaders: Supporting the vocational success of transition-age youth with serious mental health conditions

BACKGROUND: The ability of vocational rehabilitation, adult mental health and child mental health service systems to collaborate regarding the employment and career development goals of transition-age youth has not been explored nor has attention been paid to strategies that would increase this collaboration. OBJECTIVE: This qualitative study asks leaders from these three systems to describe collaborative activities that support better vocational services for transition-age youth with serious mental health conditions and discuss barriers and facilitators to collaboration. METHODS: Qualitative interviews were conducted with 39 formal and informal leaders in vocational rehabilitation (n = 16), child mental health (n = 13), and adult mental health (n = 10) systems as part of a larger study of interorganizational relationships. RESULTS: A primary barrier was lack of knowledge about the services and policies of each other’s systems. Another barrier was differences in philosophy about employment and the special needs of transition-age youth with mental health needs. CONCLUSIONS: In addition to specific activities that would encourage greater interaction across three systems, results underscore the need for the child mental health system and vocational rehabilitation system to increase their involvement with and knowledge about one another. This would include training child mental health providers about employment and career development services, vocational rehabilitation providers about the role of mental health in the youngest workers, and both being involved in transition-planning that directly addresses vocational goals and support needs.

[The analysis of a mobile mental health outreach team activity: from psychiatric emergencies on the street to practice of hospitalization at home for homeless people]

CONTEXT AND OBJECTIVE

Since their creation in 2005 in France, mobile mental health outreach teams (EMPP) have been working to improve the health of the homeless who, for 30 to 50% of them, present severe mental disorders. Their missions are defined by ministerial circular's specifications. Few studies have been undertaken in France to analyze the practices of these teams' professionals, nor the characteristics of the populations with whom they are involved. The EMPP described in this paper had in 2010 a greater staff than other French EMPPs. It has 15 full-time staff, including four doctors (two psychiatrists, one GP, one house physician), two nurses, two educators, one social worker, three peer-workers, one secretary and two coordinators. The article analyzes the way of support developed within the range of EMPP's missions defined by the ministerial circular.

METHODS

Descriptive statistical analysis was carried out using standardized data from four different sources (round sheet, record of activity, record of hospitalization, housing information, interviews conducted by medical and social professionals with patients). Another source of data consists of records describing the operation of the team (reference framework) and annual activities (annual report).

RESULTS

The method of care was developed based on a street working, involving a full medical and its relationship with the hospital and a place to live in a semi-community context. The Mobile Mental Health Outreach team documented 318 rounds in 2010, describing 666 contacts among whom 87.9% were followed regularly thereafter. It focuses to a target population. The team actively followed 198 people including 161 for whom a psychiatric diagnosis was done: 48.5% of the patients followed presented schizophrenic-type disorders, 21.8% bipolar disorders and other mood-linked problems, 13% behavioral disorders and 6.2% substance-use disorders. A percentage of 44.9 presented with a physical disease. Among the 89 hospitalizations, 86.5% were motivated by psychiatric disorders and 43% were forced. In about one third of the cases, hospitalizations were motivated by a double indication - psychiatric and physical - and in 13.5% for only a physical indication. Thirty people of the actively followed people had stayed in a halfway house as an alternative to hospitalization, restoring a continuity of care and allowing to resolve social problems that had until then been hopeless.

PERSPECTIVES

The strategies developed by this Mobile Health Outreach Team ensure local community medical, psychiatric and social care for "hard to reach" people. The results confirm the interest of the link between the street work, the hospital and the halfway home, both as a living facility and an alternative to hospitalization. They suggest the importance of a critical minimum size for these EMPP that allows them a street work with doctors providing guidance. The presence of a GP is another welcome development because of the severity and the entanglement of somatic and psychiatric problems of these populations.

Effectiveness of interventions to improve the health and housing status of homeless people: a rapid systematic review

BACKGROUND

Research on interventions to positively impact health and housing status of people who are homeless has received substantially increased attention over the past 5 years. This rapid review examines recent evidence regarding interventions that have been shown to improve the health of homeless people, with particular focus on the effect of these interventions on housing status.

METHODS

A total of 1,546 articles were identified by a structured search of five electronic databases, a hand search of grey literature and relevant journals, and contact with experts. Two reviewers independently screened the first 10% of titles and abstracts for relevance. Inter-rater reliability was high and as a result only one reviewer screened the remaining titles and abstracts. Articles were included if they were published between January 2004 and December 2009 and examined the effectiveness of an intervention to improve the health or healthcare utilization of people who were homeless, marginally housed, or at risk of homelessness. Two reviewers independently scored all relevant articles for quality.

RESULTS

Eighty-four relevant studies were identified; none were of strong quality while ten were rated of moderate quality. For homeless people with mental illness, provision of housing upon hospital discharge was effective in improving sustained housing. For homeless people with substance abuse issues or concurrent disorders, provision of housing was associated with decreased substance use, relapses from periods of substance abstinence, and health services utilization, and increased housing tenure. Abstinent dependent housing was more effective in supporting housing status, substance abstinence, and improved psychiatric outcomes than non-abstinence dependent housing or no housing. Provision of housing also improved health outcomes among homeless populations with HIV. Health promotion programs can decrease risk behaviours among homeless populations.

CONCLUSIONS

These studies provide important new evidence regarding interventions to improve health, housing status, and access to healthcare for homeless populations. The additional studies included in this current review provide further support for earlier evidence which found that coordinated treatment programs for homeless persons with concurrent mental illness and substance misuse issues usually result in better health and access to healthcare than usual care. This review also provides a synthesis of existing evidence regarding interventions that specifically support homeless populations with HIV.

Exploring the impact of race on mental health service utilization among african americans and whites with severe mental illness

BACKGROUND

Disparities among African Americans and Whites with severe mental illness have been identified in numerous studies. Yet it remains unknown if disparities are associated with race or other vulnerabilities common to this population.

OBJECTIVES

This study used the Behavioral Model for Vulnerable Populations to examine mental health service utilization among 155 African Americans and Whites with severe mental illness for 12 months after discharge from a residential crisis program.

DESIGN

This cross-sectional study was a secondary analysis of data from a randomized trial.

RESULTS

Race did not emerge as a significant predictor of mental health service utilization. Factors associated with frequency of service use were diagnosis, age, drug use, gender, health benefit status, and enrollment in an outpatient mental health program.

CONCLUSION

It is possible that the geographic location of the study, equal access to services, and equal rates of substance use between racial groups explain the lack of racial differences found in this sample.

A systems approach to care pathways into in-patient alcohol detoxification: outcomes from a retrospective study

This paper describes the effects of the adoption of a systems approach to alcohol service delivery by four previously separate organisations in Manchester, UK that commenced in 1997. The study examined a database of 5542 admissions for in-patient detoxification between 1995 and 2003, which permitted the analysis of changes occurring in the composition of the client group after the adoption of the new model. Findings suggest that working with the systems approach resulted in more effective targeting of people with higher levels of alcohol dependency towards in-patient detoxification. Females and people in stable housing also benefited from increased access in the new system. Increases in planned discharges were observed across all demographic variables, although alcohol-dependent males without stable accommodation found it more difficult to access in-patient detoxification after the new model was introduced. We conclude that in comparison to a loose network of services a co-ordinated and managed service system can improve targeting for in-patient detoxification for most people with severe alcohol dependence but may not do so for all who need access.