Intersectoral collaboration in the management of non-communicable disease’s risk factors in Iran: stakeholders and social network analysis

Abstract

Introduction

As the major cause of premature death worldwide, noncommunicable diseases (NCDs) are complex and multidimensional, prevention and control of which need global, national, local, and multisectoral collaboration. Governmental stakeholder analysis and social network analysis (SNA) are among the recognized techniques to understand and improve collaboration. Through stakeholder analysis, social network analysis, and identifying the leverage points, we investigated the intersectoral collaboration (ISC) in preventing and controlling NCDs-related risk factors in Iran.

Methods

This is a mixed-methods study based on semi-structured interviews and reviewing of the legal documents and acts to identify and assess the interest, position, and power of collective decision-making centers on NCDs, followed by the social network analysis of related councils and the risk factors of NCDs. We used Gephi software version 0.9.2 to facilitate SNA. We determined the supreme councils' interest, position, power, and influence on NCDs and related risk factors. The Intervention Level Framework (ILF) and expert opinion were utilized to identify interventions to enhance inter-sectoral collaboration.

Results

We identified 113 national collective decision-making centers. Five councils had the highest evaluation score for the four criteria (Interest, Position, Power, and Influence), including the Supreme Council for Health and Food Security (SCHFS), Supreme Council for Standards (SCS), Supreme Council for Environmental Protection (SCIP), Supreme Council for Health Insurance (SCHI) and Supreme Council of the Centers of Excellence for Medical Sciences. We calculated degree, in degree, out-degree, weighted out-degree, closeness centrality, betweenness centrality, and Eigenvector centrality for all councils. Supreme Council for Standards and SCHFS have the highest betweenness centrality, showing Node's higher importance in information flow. Interventions to facilitate inter-sectoral collaboration were identified and reported based on Intervention Level Framework's five levels (ILF).

Conclusion

A variety of stakeholders influences the risk factors of non-communicable diseases. Through an investigation of stakeholders and their social networks, we determined the primary actors for each risk factor. Through the different (levels and types) of interventions identified in this study, the MoHME can leverage the ability of identified stakeholders to improve risk factors management. The proposed interventions for identified stakeholders could facilitate intersectoral collaboration, which is critical for more effective prevention and control of modifiable risk factors for NCDs in Iran. Supreme councils and their members could serve as key hubs for implementing targeted inter-sectoral approaches to address NCDs' risk factors.

Background

NCDs have been identified as the leading cause of Years of Life Lost (YLL), Disability-Adjusted Life Years (DALYs), and mortality in countries by controlling communicable diseases, changing lifestyles, and growing risk factors for NCDs such as air pollution, low physical activity, and unhealthy nutrition. The share of NCDs from total deaths, both sexes, all ages increased between 1990 and 2019 in Iran (50.11% to 83.48%), the world (57.72% to 74.37%); a similar trend has occurred in the share of NCDs from total DALYs, Iran (45.33% to 78.09%), the world (43.19% to 63.82%); the global economic burden of NCDs is predicted to be USD47 trillion between 2010 and 2030 [1,2,3,4]. According to the Global Burden of Disease (GBD) 2019, about 16.5%, 4.5%, 18.8%, 30.6%, and 14.1% of all deaths in Iran in 2019 were attributable to dietary risk factors, insufficient physical activity (IPA), high BMI, high systolic blood pressure, and tobacco use respectively. The Iran STEPs 2016 survey revealed a high prevalence of IPA, approximately 54.7% of the total population, as defined by WHO recommendation, which is less than 600 Metabolic Equivalent of Task (MET) per week, and 9.6% of participants were current cigarette smokers, the majority of whom were aged 45–70 [5, 6]. Between 2011 and 2025, monetary losses to the low and middle-income countries (LMICs) that emerged from four main NCDs are predicted to exceed US$ 7 trillion, 70% of which will occur in the upper-middle-income countries (UMICs) [7]. It has been determined that 51% of this yearly loss will be linked to cardiovascular diseases, equal to around 4% of these countries’ current annual output [7]. Let alone that the COVID-19 pandemic might exacerbate NCDs' burden due to possible ignorance of NCDs’ priority [8].

NCDs’ prevention and control need global, national, multisectoral, and multistakeholder engagement. As a key strategy to achieve health systems’ goals and reduce health inequities, inter-sectoral collaboration is recommended by the “Global Action Plan” of the World Health Organization (WHO) for the prevention and control of NCDs, as well as by the “National Plan for Prevention and Control of NCDs” in Iran [3, 9, 10]. Nevertheless, the status of current inter-sectoral collaboration initiatives in Iran does not appear as meaningful as they are supposed to be for effective management of NCDs [11], e.g., in the field of urban and transport planning [12], food industry [13].

Meaningful prevention and control of NCDs need a comprehensive approach, which brings all sectors on board to work unitedly to reduce the risks associated with NCDs and to prevent and control NCDs' burden on communities. These include, but are not limited to, health, economics, diplomacy, foreign health policy, education system, agriculture, insurance organizations, markets, tax system, food industry, legislative system, etc. [14,15,16,17]. Intersectoral collaboration (ISC) is mentioned in Articles VII and VIII of the Alma Ata Declaration of 1978: “All governments should formulate national policies, strategies, and plans of action to launch, and sustain primary health care as part of a comprehensive national health system and in coordination with other sectors. To this end, it will be necessary to exercise political will, to mobilize the country's resources, and to use available external resources rationally” [18].

WHO also issued another statement, so-called Intersectoral Action for Health (IAH), which means “a recognized relationship between part or parts of the health sector with parts of another sector which has been formed to take action on an issue to achieve health outcomes (or intermediate health outcomes) in a way that is more effective, efficient or sustainable than could be achieved by the health sector acting alone” [19]. Other global statements, including Primary Health Care (PHC) [20], Millennium Development Goals (MDG) [21], and Sustainable Development Goals (SDGs) also consider ISC as one of the most necessary principles for the health system [22,23,24,25,26].

Stakeholder analysis facilitates the classification of stakeholders, valuing and comparing their particular sets of interests and powers, and examining and reviewing their relationships, including alliances, collaborations, and inherent conflicts [27]. It investigates “who these interested parties are, who has the power to influence what happens, how these parties interact and, based on this information, how they might be able to work more effectively together” [28]. Social network analysis (SNA) is a powerful technique for analyzing the relationship among different actors/stakeholders/parts of government and understanding possible ways to improve collaboration towards better outcomes. The insights gained from SNA can help coordinate ISC global and national efforts and interventions for more efficient prevention and control of NCDs [29], i.e., those recommended by the WHO’s PEN (Package of essential NCDs interventions) [9]. Social network theory and SNA help researchers explain the relationship between people, organizations, or even nations, which might enable them to explore the existing connections and draw a more realistic picture of underlying relationships among them [30]. Visualizing ISC as networks can also facilitate stakeholder network analysis techniques and network theories to discover how they can be more effective in tackling NCDs [29, 31].

Embedding collective decision-making mechanisms into the national administrative system is the key to successfully implementing policies in all settings [32]. Iran enjoys several collective decision-making bodies. So-called the “Councils” and the “Supreme Councils” support coordination, policymaking, and planning of joint decisions, taking which requires ISC among various entities, i.e., different ministries in different areas such as health, economy, welfare, the judicial system, and so on [33]. So-called the “cabinet committee”, such a mechanism exists in other countries; a group made up of cabinet ministers, which is formed to enable meaningful actions on a particular issue or general area of importance for the government [34]. Opportunities for ISC between the expert levels are also available in these councils.

The study’s objectives and questions are: What collective decision-making centers exist at the national level to progress IAH and ISC?; Which policies of identified stakeholders influence risk factors?; What interventions (at different levels) can be put on the agenda to control better the policies that have been approved?. Our findings will support, we envisage, national policymaking on NCDs and related risk factors for better knowledge translation and implementing laws and standards in Iran and perhaps similar settings.

Methods

This is a mixed-methods study based on reviewing legal documents and acts and conducting semi-structured interviews to identify and evaluate the interest, position, and power of collective decision-making centers (councils) and their members on NCDs, followed by the Social Network Analysis (SNA). We used Gephi software [35] version 0.9.2 to facilitate SNA. In the final step, based on the Intervention Level Framework (ILF), we identified key leverage points for maximizing the capacity of the identified stakeholders for ISC.

Understanding and identification of NCDs, risk factors of NCDs, and their relationship

To identify major risk factors of NCDs, we used WHOs' 5 × 5 matrix, i.e., five NCDs and five modifiable shared risk factors [5], 'best buys' and other recommended interventions for the prevention and control of NCDs [36, 37], the global action plan for the prevention and control of NCDs 2013–2020 [38] plus the GBD tools developed by the “Institute for Health Metrics and Evaluation” (IHME) [39], which includes 359 diseases and injuries and 84 risk factors. We mapped the network among the risk factors and diseases based on the burden of NCDs and related risk factors. Each risk factor's contribution to shaping the burden (DALY) of NCDs in Iran was obtained from the GBD study of 2017, whose weight and diameter were reflected in the nodes and edges.

Identification of councils and their details

Reviewing of documents

National councils are the place for collective decision-making among relevant ministries and other institutions. We defined the search query to identify the councils. Keywords ( Supreme Council or Supreme Councils or Board of Examiner or Crossbreed Councils or Administrative Council or Administrative Councils or Strategic Council or Strategic Councils or Board of Directors or High Representative or Strategic Council or Strategic Councils or Commission or Committee or Headquarters or Workgroup or Board or Council) were searched in the country's comprehensive law databases (National System of Laws (https://qavanin.ir/Law), parliament system of laws (https://rc.majlis.ir/en); Ministry of Health system of laws (https://healthcode.behdasht.gov.ir/approvals/)), from 1941 until 2020.

Interviews

Semi-structured face-to-face interviews with purposefully selected experts (Appendix B.2) were conducted to properly identify the stakeholders and understand their roles. The interviews, which lasted between 20 and 70 min each, were conducted between August 2020 and December 2020, to ensure data saturation. All interviews occurred at the interviewees' workplaces. The researchers conducted the interviews using a literature-based and designed interview guide. The following questions were explored during the interviews: Which actors and decision-making institutions are involved in ISC for NCDs' risk factors? Which dimensions and risk factors are affected by their policies? How do you perceive their responsibilities, abilities, motivations, effects, and interactions? What are your recommendations or interventions for enhancing ISC? The interviews were transcribed verbatim, and the data were analyzed using a thematic content analysis.

The councils' statutes, mission, objectives, members, and organization were extracted following their identification. We created a list of each council's resolutions since its establishment using the databases mentioned and their official website (Table 1).

Table 1 Data collection structure for each council

Each council's interest, position, power, and influence were valued by reviewing its mission and objectives, members, structure, and resolutions (Table 2).

Table 2 Definitions and scoring of the criteria of each council

We used qualitative textual evidence to identify the councils with potential impact on NCDs’ risk factors. These were official public documents [40], to which we had direct or indirect access, and were therefore credible [41]. We considered NCDs and related risk factors as the main framework for searching for relevant councils to sketch a network of NCDs, risk factors, and councils. Based on each council's documents' analysis, the council's potential connection with each risk factor was defined.

Generating the network and statistical analysis

Following the identification of stakeholders (Supreme Councils and their members), the network's elements were defined (Table 3) [9, 10, 42,43,44,45,46]. Members of councils, councils, risk factors, NCDs and related SDGs were defined as nodes and connections among them were considered as edges (weighted and directed).

Table 3 Network elements

Networks present a natural approach to showing social [47] or information systems [26]. We used Gephi software [35], version 0.9.2, for analyzing and displaying networks graphically. The NCDs stakeholder network was statistically examined concerning associative depth and associative clustering with Gephi software. These statistical characteristics were determined by applying different algorithms with Gephi. We selected the “Mike Bostock circle packing algorithm” [26]. We carried out analyses including degree, in degree, out-degree, weighted out-degree, closeness centrality, betweenness centrality, hub, authority and eigenvector centrality. (Please see Appendix A for more information on the terms). Finally, we asked a few key experts to approve our findings.

Recognizing the leverage points to make more use of the power of the stakeholders

“Leverage points”, defined as places within a complex system (a large company, economy, living body, city, ecosystem), where a small change in one point can make a big difference in the whole system, are important in system analysis. Identifying where leverage points are and how they can be reached is crucial to determining the points of power, as introduced in the Intervention Level Framework (ILF) (Fig. 1), as well as other complementary models of leverage points [48]. This model classifies the dimensions of the intervention level framework that can be used for reforms, whose aim is to increase the role of the Ministry of Health in the councils with an impact on population health.

Fig. 1

The Intervention Level Framework (ILF)

Initial identification of interventions

On the basis of the interview results, initial interventions were determined. Document review was used to complete the initial list of interventions; all council documents (statutes, objectives, laws, structure, members, committees, approvals, processes, and reports, i.e. both official and grey literature) were collected and reviewed. The study team listed the initial interventions at different ILF levels and held several sessions to review and summarize the previous steps' results.

Identification of final interventions

We obtained the viewpoints of 33 experts (Appendix B) using an online questionnaire containing the initial list of interventions. Moreover, we sought the experts’ views on the appropriateness and feasibility of the proposed interventions (Appendix B). All study steps were performed in accordance with the relevant ethical and research guidelines and regulations; and supervised by the ethics committee of Tehran University of Medical Sciences.

Results

We identified 113 national collective decision-making centers in the Islamic Republic of Iran's administrative and legal system. Following the initial screening, 21 cases went into the next steps to identify each council's effect on NCDs’ risk factors. These were the collective decision-making actors that were able to influence NCDs. All 21 councils were initiated within the government and had governmental and non-governmental members. Nevertheless, all members and non-members of the councils are obliged to observe these councils' acts. The majority of the 50 members of these councils are from the ministries, while only seven members (14%) are non-governmental. We did not map out individual stakeholders, for example, honorary membership without the right to vote.

Estimated criteria, interest, position, power, and influence of key councils are shown in Table 4. The five councils had the highest evaluation score in the four criteria, including the Supreme Council of Health and Food Security, Supreme Council for Standards, Supreme council for Environmental Protection, Supreme Council of Health Insurance, and Supreme Council for Centers of Excellence in Medical Sciences of Medical Sciences. The matrix of councils based on their interest and power has also been analyzed and mapped (Fig. 2).

Table 4 Councils and Stakeholders involved with the process of NCDs-related policymaking in Iran rated according to four items (interest, position, power, and influence)

Fig. 2

Matrix of the councils based on their interest and power

The computed network metrics, including degree, closeness, betweenness, and eigenvector centralities, are reported in Appendix C. The importance of nodes in information flow is measured by betweenness centrality. The highest values in Betweenness centrality are found in the Supreme Council for Standards (427.59), Supreme Council of Health and Food Security (332.45), National Council for the Elderly (218.66), and Supreme Council of Health Insurance (194). Eigen Centrality measures a node's influence in a network based on the number of linkages it has to other nodes. The Supreme Council for Youth and Sports (0.0407), the Supreme Council for Standards (0.0374), the Supreme Council for Labor and Employment (0.0315), the Supreme Council for Environmental Protection (0.0310), and the Supreme Council for Health and Food Security (0.0295) have the highest Eigen Centrality values.

Figures 3 and 4 show the network map drawn based on Table 3. The map also outlines the SDGs with the effects on the risk factors that are related to NCDs. Figure 3 shows each risk factor's contribution to the burden of disease through the edge diameter, while Fig. 4 shows all characteristics (actors, councils, SDGs, Risk Factors, and NCDs). The MoHME and the President of the Islamic Republic of Iran were identified as the most active actors on selected councils, with the out-degree value of 13. SDG 4 (Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all) with out-degree value four could affect most NCD's risk factors.

Fig. 3

Risk factors and their contribution to the burden (DALY) of NCDs in Iran, 2017

Fig. 4

The network map of actors, councils, SDGs, risk factors and NCDs. Dark green nodes: actors including ministries, parliament, institute. Blue nodes: councils and SDG targets. Light green nodes: risk factors. Red nodes: NCDs (burden). Green edges: membership. Blue edges: the potential impact of the councils on risk factors. Green edges (center): Pathogenicity of Risk Factors. Red edges: Accumulation of noncommunicable diseases burden

Figure 3 shows the contribution of risk factors to the burden (DALY) of NCDs in Iran. The greater diameter of the edges displays a greater contribution of the risk factor to the associated disease burden.

Figure 4 shows the whole network, including members, councils, risk factors, and NCDs. The dark green represents state actors such as ministries, institutes and parliament. The blue edges show the membership of actors, and the blue nodes show the selected councils with a potential influence on the risk factors (Light green nodes). The contribution of risk factors to the burden (DALY) of NCDs (Red nodes) are also displayed with red edges.

Our findings indicate macro-level interventions required to target public policies and translate them to policymakers, aiming to design more meaningful interventions by the MoHME to enhance intersectoral legislation and policies for the prevention and control of NCDs. Our study also revealed the councils and their potential capacities for the prevention and control of NCDs, which have not been sufficiently attended by the MoHME so far.

Table 5 summarizes the proposed interventions based on the ILF model depend, drawn from the expert's opinion.

Table 5 Proposed interventions and their levels

Discussion

This research aimed to identify collective decision-making centers in the government of Iran and determine the extent to which their capacity and function can address NCDs’ related risk factors. Our study revealed that while members of each council can have a different impact on the risk factors of NCDs, the identified stakeholders and councils have different values of interest, position, power, and influence on Iran's NCDs-related policies. Based on its constitution's mission statement, the SCHFS is accountable for guiding ISC on health through its many bilateral and multilateral cooperations with relevant ministries and organizations [49].

The highest closeness centrality and betweenness centrality measures were related to the Supreme Council of Health and Food Security, the Supreme Council for Standards, and it shows the impact of this Council. Usually, when a node is important and is a network hub, not only does it has a high degree centrality but also a high centrality according to other centrality measures (betweenness, closeness). Moreover, different centrality measures have different implications. For example, closeness centrality shows access to other nodes, while eigenvector centrality shows the node's importance due to the importance of its neighbors. The highest closeness centrality and betweenness centrality measures were related to the Supreme Council of Health and Food Security and the Supreme Council for Standards, highlighting their superior impact.

Building capacity for risk-based interventions is crucial to implementing appropriate NCD policies and enhancing members' commitment to each council. Here, we will discuss the two leading councils in the prevention and control of NCDs and related risk factors in Iran:

• 1. The SCHFS: Its most important mission is to “coordinate and make policy on all matters related to public health and food security and nutrition”, aiming to materialize the notion of health in all policies. In other words, the Council is in charge of developing inter-sectoral collaboration between the MoHME, as the steward of the health sector, and other relevant organizations within the health system. In addition to its national structure with the president and several ministers as its members, the council has its provincial branches led by the governor of the province. The SCHFS has been enacted in various areas (Table 6).

  Table 6 Areas enacted by the SCHFS

  The Council covers most risk factors related to NCDs and attempts to include them within relevant legislation, research, and cross-sectoral cooperation while acting to enhance awareness. The SCHFS approved the National action plan for preventing and controlling NCDs in Iran. This led to the establishment of the Iranian Non-Communicable Diseases Committee (INCDC) within the MoHME [10]. So far, to foster multisectoral collaboration through the SCHFS, the INCDC has signed 14 agreements with other ministries and national organizations for NCDs’ risk reduction.

• 2. The Supreme Council for Standards (SCS) is responsible for policymaking related to the National Standard Organization (NSO) of Iran. The NSO has 34 national committees to set national standards. Except for medicines and health services, all products and services should be approved by the NSO. The NSO reviews or create over 2000 standards set every year. It also assesses the compliance of goods or services with established standards. The SCS can reduce NCDs' prevalence by targeting materials, whose consumption can increase NCDs’ related risk factors (Table 4). The SCS has a greater potential to guide standard-setting policies in the NSO towards further preventive measures. The standards of products such as beverages, sauces, canned foods, juices, sugar, compote, ready meals and auto parts are also determined by this organization.

  As the MoHME has a representative in these councils, it can potentially open a window of opportunity in the Iranian administrative system towards reducing unhealthy behaviors and other NCDs’ risk factors. Based on the law, the decisions of these Councils are legally binding for everyone (ministries, organizations, the private section, etc.). The SCHFS also supports studies aiming to reform membership, voting processes, and prioritization of issues [50]. To promote public health initiatives, especially related to NCDs, it is necessary that values, skills, information systems, and organizational subsystems in these councils be reviewed and supported through the vital capacity of the MoHME's role-playing. Likewise, the SCS supports a screening framework for health impact assessment [18]. Legal and regulatory reforms’ role in the global and national response to NCDs is more significant than it has been acknowledged. Some researchers have investigated the importance of intersectoral legislation in implementing WHO's “best buys” and other recommended interventions. They pointed out that successful implementation of the preventive interventions, particularly in the LMICs, depends on the new legislation and reform of existing laws and standards [19, 36, 51]; Therefore, legislative leverage could be an effective and affordable means to control NCDs and their related risk factors.

 

Collaboratives Core dimensions of connectivity in public health collaborators such as network membership, network interaction, the health department's role, frequency of interactions, strategic value, trust, and reciprocity are critical to the success of multisectoral partnerships [11]. Our study showed that the MoHME is a member as well as leads many councils, while its vote is equal to other members for adopting policies by a majority vote of 50% + 1. As the MoHME is the guardian of population health, we advocate the weighted voting for the MoHME in the councils to help councils make better and stronger decisions for more meaningful prevention and control of NCDs [52].

The statutes of councils state that voting is based on members' opinions. Accordingly, the most important action for health-centered decisions in the Supreme Councils is to express its importance and provide health-oriented values and evidence to the council members by the MoHME representative, mostly the minister of health & medical education or his/her representative.

NCD’s Risk factors are multidimensional; for instance, unhealthy nutrition stems from several dimensions, including proximal factors (food habits, lifestyle, and lack of education) and distal factors (poverty, illiteracy, food processing industries, tax system, supply and demand system, agriculture, import and export, minimum income). This study reconfirmed that each of these dimensions could be addressed through the councils and their members to make good policies for public health. As the president is the leader of most supreme councils, s/he can act as a catalyst for multisectoral and multistakeholder actions on NCDs.

NCDs and their risk factors are complex and multidimensional; addressing their unpredictable and long-term outcomes requires heterogeneous interaction and meaningful intersectoral collaboration. Social science methods for exploring complex systems, e.g., system dynamics, agent-based modeling, and network analysis, can help measure and analyze the relationships and flows among multiple and complex actors. The literature is tiny about using these methods to better manage NCDs and relevant risk factors [39]. Our study revealed that supreme councils could facilitate the creation of evidence support, setting goals & targets, coordination, advocacy, monitoring & evaluation, policy guidance, financial support, providing legal mandate, and help better implementation & management of NCDs [34].

The proposed intervention at the paradigm and goal levels are long-term actions that will face significant resistance. At lower intervention levels, Creating a database and implementing a health-related information flow system to support each council's tasks and missions; Creating negative feedback loops; Defining index-based critical values to provide negative feedback is a balancing or reinforcing intervention [53]. Balancing this feedback loop necessitates prevention measures, early detection, and treatment initiation and completion [54], which can be accomplished through Structural Elements, Feedback, and Delays.

Limitations

There are some limitations to this study. First, despite our efforts, some participants were unwilling to participate in the study. Another limitation of this study is the lack of consideration for informal contact (edge) among stakeholders; there also may be a conflict of interest among the identified stakeholders that have not been addressed.

Conclusions

A wide range of stakeholders impacts the risk factors for noncommunicable diseases. We identified the key actors for each risk factor by analyzing stakeholders and their social networks. The Ministry of Health and Medical Education (MoHME) can use the ability of identified stakeholders to improve risk factor management by implementing the various (levels and types) of interventions identified in this study. The interventions recommended for the identified stakeholders have the potential to improve ISC, which is crucial for more effective prevention and management of modifiable risk factors for NCDs. Supreme councils and their members could serve as key nodes in implementing tailored inter-sectoral initiatives to address the risk factors for NCDs. While COVID-19 and the massive changes in the epidemiological transition might challenge the prioritization and budget allocation to fight against NCDs, social analysis of stakeholders will help, we envisage, focus on actors with the most influence to roll back the global movement to tackle NCDs and reach sustainable societies, in Iran and probably beyond.