Beyond policy adoption: bridging the implementation gap in mental health integration into primary health care in Ghana and other low- and middle-income countries

¹Department of Health Policy, Management and Economics, School of Public Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, ²37 Military Hospital, Pediatric Department, Accra, Ghana

^&Corresponding author
Ebenezer Owiredu Nkansah, Department of Health Policy, Management and Economics, School of Public Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana

Commentary    

Mental health disorders account for approximately 10% of the global burden of disease and affect nearly one billion people worldwide [1]. In low- and middle-income countries (LMICs), a treatment gap exceeding 75% persists-meaning that most individuals requiring care never access it [1,2]. This gap does not primarily reflect the absence of effective interventions; it reflects deep structural deficiencies in how health systems are organised, financed, and governed. For more than four decades, the integration of mental health services into primary health care (PHC) has been consistently endorsed as the most feasible, equitable, and cost-effective approach to expanding access. The Alma-Ata Declaration (1978), the Astana Declaration (2018), and successive World Health Organisation (WHO) mental health action plans have all reaffirmed this position [2,3]. Primary health care represents the first point of contact between communities and formal health systems, offering a uniquely positioned platform for reaching populations who would otherwise remain entirely outside the reach of specialist care.

Yet despite near-universal policy consensus, outcomes remain profoundly uneven. Specialist psychiatric institutions continue to absorb disproportionate resources in many LMICs, while PHC facilities lack the capacity to deliver even basic mental health interventions. This commentary examines the multidimensional barriers impeding integration, using Ghana as an instructive case study and applying the Social Ecological Model (SEM) and the RE-AIM (Reach, Effectiveness, Adoption, Implementation, and Maintenance) framework as complementary analytical tools. We argue that integration must be reconceived as a complex, systems-level challenge requiring sustained and coordinated investment-not as a training problem amenable to isolated clinical interventions.

Policy progress without commensurate implementation

Ghana provides a particularly instructive illustration of the policy-implementation disconnect. The Mental Health Act (2012) established a comprehensive legal foundation for decentralising mental health services and embedding care within PHC [4]. This milestone was accompanied by a National Mental Health Policy and accompanying operational frameworks. Yet, treatment gaps remain substantial, community-level facilities are largely unprepared to manage common mental health presentations, and access to care continues to be severely limited for the majority of those in need [4].

This pattern is not unique to Ghana. Across LMICs, policy adoption has consistently outpaced implementation capacity. Countries have enacted legislation, developed strategic plans, and aligned their frameworks with international standards, yet integration at the service delivery level remains inconsistently operationalised and frequently nominal in character [5,6]. The critical limitation in much of the global mental health discourse has been an implicit assumption that policy adoption naturally translates into implementation progress. The evidence does not support this assumption. Policies risk functioning as symbolic commitments rather than instruments of transformation unless accompanied by commensurate investment in financing, workforce, governance, and community-level service readiness [5].

Conceptual framework: SEM AND RE-AIM

Two complementary frameworks guide this analysis. The Social Ecological Model (SEM) conceptualises health behaviours and outcomes as products of interacting influences across individual, interpersonal, organisational, and policy-system levels [7]. Applied to mental health integration, the SEM reveals how barriers at each level interact and mutually reinforce one another, producing systemic dysfunction greater than the sum of individual constraints. The RE-AIM framework assessing Reach, Effectiveness, Adoption, Implementation, and Maintenance provides a structured lens for evaluating the real-world public health impact of integration programmes [8]. Together, these frameworks illuminate why integration consistently falls short of policy aspirations, and they point toward the dimensions that implementation strategies must address simultaneously. Table 1 maps the multilevel barriers identified through SEM to their implications for integration. Table 2 applies RE-AIM to the Ghanaian context, revealing stark disparities in integration outcomes and identifying priority actions across each dimension.

Financing constraints and structural underinvestment

Financing represents one of the most critical and most systematically neglected dimensions of mental health integration. In many LMICs, mental health expenditure accounts for less than 2% of total national health spending, already far short of need, and a disproportionate share is directed toward tertiary psychiatric institutions rather than toward the community and primary care settings where integration is intended to occur [5,9]. This misallocation creates cascading deficits: PHC facilities lack budgetary capacity to maintain reliable psychotropic medicine stocks, sustain outreach activities, or support training and supervision programmes.

The widespread reliance on donor funding introduces a compounding dimension of instability. Externally funded programmes can generate short-term gains, but these are inherently contingent on continued external support and rarely produce sustained system change. When funding ends, gains typically evaporate, leaving neither the institutional capacities nor the financial mechanisms necessary to sustain progress [5,6]. Sustainable integration requires dedicated, protected budget line items for mental health within national health expenditure frameworks and the meaningful incorporation of a defined package of mental health services within national health insurance schemes.

Workforce constraints and service readiness

Severe shortages of trained mental health professionals constitute one of the most widely documented barriers across LMICs. Critical deficits in psychiatrists, psychologists, psychiatric nurses, and social workers are compounded by profound geographic inequity: the limited specialist workforce is disproportionately concentrated in urban and tertiary settings, leaving rural populations those most dependent on PHC, with the least access to care [9]. Task-sharing approaches, which train and supervise non-specialist health workers to deliver basic mental health interventions within PHC, are supported by a growing evidence base demonstrating effectiveness when implemented with fidelity [10]. However, translating training into sustained service delivery has proven consistently difficult. Health workers trained in mental health frequently report inadequate supervision, increased workloads, role ambiguity, and insufficient institutional support, conditions that undermine both the quality and continuity of care [4]. A comprehensive understanding of service readiness must extend beyond workforce numbers to the full constellation of operational prerequisites: reliable medication supply chains, functional referral pathways, locally adapted clinical protocols, dedicated and private consultation spaces, and supportive management environments. Intra-professional stigma directed toward mental health providers within the broader health workforce, weak interprofessional collaboration, and the unaddressed psychological well-being of frontline workers represent underappreciated but powerful constraints on integration that most conventional policy responses fail to address [4].

Governance, coordination, and accountability

Effective mental health integration demands governance structures capable of coordinating activity coherently across all levels of the health system, and this is precisely what most LMICs currently lack. Mental health programmes are characterised by fragmented institutional responsibilities, unclear reporting lines, and weak or absent accountability mechanisms. Coordination between specialist psychiatric services and PHC facilities is frequently inadequate, resulting in poorly defined referral pathways, care discontinuities, and inefficient use of scarce resources [5]. A particularly significant governance gap is the routine exclusion of mental health-specific indicators from national health information systems and routine monitoring platforms. This absence renders the actual state of integration largely invisible to planners and policymakers, limiting the ability to identify problems, allocate resources responsively, or hold systems accountable for performance [6]. Strengthening governance must therefore be treated as a non-negotiable pillar of any integration strategy encompassing clear accountability structures, mental health metrics in routine monitoring systems, and standardised performance evaluation frameworks.

Inequity and the inverse care law

Application of the RE-AIM framework (Table 2) to the Ghanaian context reveals stark disparities in integration outcomes across facility types. District hospitals demonstrate substantially greater integration capacity than Community-based Health Planning and Services (CHPS) compounds, where meaningful integration remains markedly limited [4]. This pattern directly reflects the inverse care law: populations with the greatest burden of unmet mental health need are systematically served by facilities with the least capacity to address it. CHPS compounds represent the foundational first point of contact between communities and the formal health system for millions of Ghanaians in rural and underserved areas. Yet these facilities are characterised by severely limited workforce capacity, inadequate physical infrastructure, insufficient financing, and the near-complete absence of operational prerequisites for mental health integration. Genuinely equitable access cannot be realised if integration efforts disproportionately benefit facilities that already possess greater resources, while bypassing the communities whose need is greatest [5,6].

The persistent influence of stigma

Stigma constitutes a pervasive, multi-layered barrier to mental health integration, operating simultaneously across individual, community, institutional, and policy domains. At the individual level, stigma shapes help-seeking behaviour; many people avoid or delay formal care out of fear of discrimination and loss of confidentiality. At the level of the health workforce, provider stigma, including negative attitudes and inadequate empathy, adversely affects the quality and dignity of care delivered [5]. At the institutional level, stigma contributes to the marginalisation of mental health as a legitimate clinical priority, reinforcing chronic underinvestment. At the policy level, the social devaluation of mental health relative to other disease categories continues to depress political commitment and resource mobilisation. Addressing stigma requires more than awareness campaigns: it demands structural interventions encompassing social inclusion initiatives, rights-based protections, and sustained community engagement [5]. Critically, intra-professional stigma toward mental health providers within the broader workforce must be explicitly identified and addressed through training, institutional culture reform, and visible leadership [4].

Patient experience as a critical measure of integration success

Conventional evaluations of mental health integration have predominantly relied on structural and process indicators-trained personnel counts, medicine availability, and utilisation rates. While essential, these indicators are insufficient: they are largely silent on what happens to patients within those systems. Evidence from Ghana demonstrates that while patients frequently report respectful interpersonal treatment, significant gaps persist in medication availability, physical privacy during consultations, and the degree to which patients are meaningfully involved in decisions about their own care [4]. Home-based care and community outreach services are consistently and highly valued by patients and families as responsive and destigmatising modalities, yet these services remain informal, poorly structured, and dependent on individual health worker initiative rather than deliberate system design or dedicated resource allocation. Integration must ultimately be evaluated not only by whether services formally exist, but by how effectively, safely, and respectfully they function. Dignity, continuity, accessibility, cultural responsiveness, and patient-centredness are not optional additions to integration; they are core dimensions of quality mental health care and must be embedded within evaluation frameworks from the outset [4,5].

A systems-oriented implementation agenda

The combined application of the SEM and RE-AIM frameworks points unmistakably toward an approach that moves decisively beyond assessing whether services formally exist to evaluating how effectively and equitably they function across diverse contexts. Four priority domains warrant particular emphasis. First, governments in LMICs must establish sustainable, ring-fenced financing mechanisms for mental health at the PHC level. This necessitates protected budget line items in national health expenditure frameworks and the systematic inclusion of a defined package of mental health services within national health insurance schemes. Donor-funded programmes cannot substitute for recurrent, nationally owned financing [9]. Second, workforce development must be accompanied, indeed preceded by, deliberate investment in clinical supervision infrastructure, supportive management, and the full complement of operational prerequisites for service readiness. Training without institutional scaffolding produces limited and unsustainable improvements. The psychological well-being and professional support needs of frontline workers must be explicitly and systematically addressed [10].

Third, governance and accountability mechanisms must be substantially strengthened. This requires enforceable accountability structures, the integration of mental health-specific indicators into routine national health information systems, and performance evaluation frameworks tracking both implementation fidelity and patient-level outcomes, not merely structural inputs or service volumes [6]. Fourth, community outreach and home-based care must be formally recognised, properly structured, and adequately resourced as core components of the PHC mental health system. These services represent the operational frontier of integration for the most underserved populations and hold the greatest potential for reducing the treatment gap at the community level [4].

Conclusion     

The persistent failure to achieve meaningful and equitable mental health integration into PHC across LMICs reflects a fundamental mismatch between policy ambition and implementation capacity. Integration exists in far too many settings more as a formal commitment than a functional reality. Mental health integration is not a clinical challenge resolvable through training and guideline development in isolation; it is a complex, systems-level challenge requiring coordinated, sustained, and politically committed investment across all functional domains of the health system. The evidence reviewed here demonstrates that the barriers are well understood; what has been lacking is the systematic will and structural capacity to address them comprehensively. The next phase of global mental health reform must shift decisively from policy development, where significant progress has already been made, to the less visible and harder work of health systems strengthening. Without this reorientation, equitable and accessible mental health care within PHC systems will remain a commitment inscribed in policy documents rather than a lived reality for the populations who need it most.

Competing interests     

The authors declare no competing interests.

Authors' contributions     

Ebenezer Owiredu Nkansah conceived, designed, and wrote the manuscript while Rosina Enyonam Daitey reviewed and edited the manuscript. Both authors have read and approved the final version of this manuscript.

Tables     

Table 1: multilevel barriers to mental health integration identified through the social-ecological model

Table 2: application of the RE-AIM framework to mental health integration in PHC in Ghana

References