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How and why do win–win strategies work in engaging policy-makers to implement Health in All Policies? A multiple-case study of six state- and national-level governments
Health Research Policy and Systems volume 17, Article number: 102 (2019)
Much of the research about Health in All Policies (HiAP) implementation is descriptive, and there have been calls for more evaluative evidence to explain how and why successes and failures have occurred. In this cross-case study of six state- and national-level governments (California, Ecuador, Finland, Norway, Scotland and Thailand), we tested hypotheses about win–win strategies for engaging policy-makers in HiAP implementation drawing on components identified in our previous systems framework.
We used two sources of data — key informant interviews and peer-reviewed and grey literature. Using a protocol, we created context–mechanism–outcome pattern configurations to articulate mechanisms that explain how win–win strategies work and fail in different contexts. We then applied our evidence for all cases to the systems framework. We assessed the quality of evidence within and across cases in terms of triangulation of sources and strength of evidence. We also strengthened hypothesis testing using replication logic.
We found robust evidence for two mechanisms about how and why win–win strategies build partnerships for HiAP implementation — the use of shared language and the value of multiple outcomes. Within our cases, the triangulation was strong, both hypotheses were supported by literal and contrast replications, and there was no support against them. For the third mechanism studied, using the public-health arguments win–win strategy, we only found evidence from Finland. Based on our systems framework, we expected that the most important system components to using win–win strategies are sectoral objectives, and we found empirical support for this prediction.
We conclude that two mechanisms about how and why win–win strategies build partnerships for HiAP implementation — the use of shared language and the value of multiple outcomes — were found as relevant to the six settings. Both of these mechanisms trigger a process of developing synergies and releasing potentialities among different government sectors and these interactions between sectors often work through sectoral objectives. These mechanisms should be considered when designing future HiAP initiatives and their implementation to enhance the emergence of non-health sector policy-makers’ engagement.
Health in All Policies (HiAP) includes a broad range of approaches aiming to embed systematic action to improve the health impacts of policies beyond the healthcare sector. In the 2011 Rio Declaration, 165 countries committed to implementing HiAP to improve the prevention of disease by addressing the social determinants of health such as housing, education and transportation . The main principles of HiAP are not new, as the 1978 Alma-Ata Declaration already emphasised that “… the highest possible level of health is a most important world-wide social goal whose realization requires the action of many other social and economic sectors in addition to the health sector” . However, much of the research about HiAP implementation is descriptive, and there have been calls for more evaluative evidence to explain how and why successes and failures have occurred [3, 4].
A recent study by Molnar et al.  examined different strategies for engaging policy-makers from diverse sectors in the implementation of HiAP. The authors found particular support for using win–win strategies (in which both parties gain advantage, as opposed to a win–lose strategy or zero-sum game) to motivate policy-makers across sectors to implement HiAP. Several mechanisms to explain how and why win–win strategies worked were uncovered, including how development of a shared language facilitated communication between sectors, how embedding multiple outcomes into projects helped to appeal to the interests of diverse policy sectors, and how conditions were created to incentivise the adoption of public-health objectives across policy sectors.
Previous studies support these findings. The development and use of shared terminology was essential in implementing the Public Health Act in Norway  while, in other cases, intersectoral action benefited from using language about ‘community’ and ‘social sustainability’ instead of ‘health’ [7, 8], and tools focused on human impact assessment and overall policy appraisal instead of health impact assessment [9, 10]. Multiple outcomes have been successfully used in Finland in arguing sectoral objectives such as wealth and economic growth  and prime examples of successfully using public-health arguments can be found among road safety policies and tobacco [12, 13]. However, beside Molnar et al. , there are no studies that have aimed to examine how and why win–win strategies work across different jurisdictions.
Systems framework for studying HiAP implementation
In this paper, we test hypotheses about win–win strategies for engaging policy-makers in HiAP implementation drawing on components identified in our systems theory about the implementation of HiAP (Table 1) . Systems theory is often used in policy studies to provide advice about engaging in policy-making [15, 16]. It warns against the assumption of law-like behaviour and the idea that success in one context will mean success in another. The idea of emergence (that a system may have properties that its components do not have on their own) is also particularly significant for HiAP implementation because it highlights macro-social outcomes based on interactions between many actors . Our systems framework helps us focus on specific features of a government, in which individual policy-makers operate together with extra-governmental influences. It presents HiAP implementation as a dynamic set of processes comprising interactions between government subsystems and system components, resulting in the emergence of significant outcomes of HiAP implementation. In total, we use three subsystems (executive, intersectoral, intrasectoral) and eight system components (policy agenda, expert advisors, HiAP management, high-ranking civil servants, sectoral objectives, sectoral ideology, workforce capacity for intersectoral action, workforce HiAP awareness). In practice, we summarise all our empirical evidence as it relates to the systems framework. From a systems perspective, HiAP implementation is about combining different elements of a government system to enhance emergence and engaging non-health sector policy-makers is largely about removing possible barriers for collaboration among different actors .
We test hypotheses on the mechanisms underlying win–win strategies using our systems framework, together with realist methods. Critical realism, the metatheory behind realist methods, holds that all social phenomena, including policy-making, are explained in underlying causal mechanisms derived from natural and human factors, and because of the myriad relationships among these factors, critical realists view policy-making as complex . Drawing upon realism, we assume that we can uncover mechanisms for engaging policy-makers by studying objective interventions on an empirical sample of six state- and national-level governments (California, Ecuador, Finland, Norway, Scotland and Thailand).
Hypotheses on using win–win strategies in engaging policy-makers to implement HiAP
For this study, three hypotheses about the mechanisms that explain the win–win strategy were developed based on previous findings from Molnar et al. , who identified the salience of the win–win strategy in three cases of HiAP (Sweden, Quebec and South Australia) and described a series of underlying mechanisms that facilitated HiAP implementation. These hypotheses were further honed by consulting with policy-makers working with HiAP, and by reviewing several political and policy science theories [20, 21]. It is important to note that these hypotheses are not mutually exclusive but might occur concurrently in implementing HiAP.
Hypothesis 1: Intersectoral engagement in HiAP implementation requires a win–win approach, reached by understanding the mission and culture of other sectors and developing shared language, because it facilitates buy-in/acceptability for the HiAP strategy.
Hypothesis 2: Intersectoral engagement in HiAP implementation requires a win–win approach, reached by using multiple outcomes to engage non-health sectors because it facilitates buy-in/acceptability for the HiAP strategy.
Hypothesis 3: Intersectoral engagement in HiAP implementation requires a win–win approach, reached by teaching sectors to use public-health arguments to make a stronger case, because it facilitates buy-in/acceptability for the HiAP strategy.
Predictions about the systems framework
Our hypotheses suggest that all the win–win strategies would facilitate buy-in of different sectors for HiAP implementation. Based on our systems framework, we expected that this would occur through a need by the lead sector (i.e. HiAP management) to (1) understand the mission/culture of participating sectors (i.e. sectoral objectives) and develop a shared language (i.e. sectoral ideology, workforce HiAP awareness), (2) use dual outcomes (i.e. HiAP management and sectoral objectives), and/or (3) use public-health arguments (i.e. HiAP management, sectoral objectives and workforce capacity) to convince sectors to participate.
Explanatory multiple-case study method
A barrier to systematic research on HiAP implementation has been the absence of methods to study complex multisectoral policy interventions . In the HARMONICS project, we used a multiple explanatory case-study approach that deals with complexity by proposing testable hypotheses and telling a “story of a sequence of events or processes” that emphasises contextual factors . Our case-study methodology has been described elsewhere , but we include a summary of steps for conducting single-case studies and cross-case analysis in Table 2. Essentially, this approach encompasses single, explanatory case studies in which we focus on learning about mechanisms that explain progress (or lack thereof) in the implementation of HiAP, as well as cross-case analysis in which we test our study hypotheses to develop an understanding of how implementation works across case settings. In our analysis, we focus specifically on social mechanisms that involve at least two people with a political, cultural or economic relationship  and that are interactive, often hidden processes, which cause HiAP implementation.
Case selection and data collection
Four cases were selected from a scoping review that identified 16 HiAP initiatives implemented globally between 1980 and 2009 , followed by an updated literature search in 2014 that further identified two cases. Identified HiAP initiatives included implementation in diverse settings, encompassing jurisdictions in the Asia-Pacific region, Europe, and North and South America. In selecting cases, our purpose was to represent diverse mandates for HiAP implementation. We also aimed to select a combination of high-income environments (Finland, Norway, Scotland, and the US [California]), as well as lower- and middle-income environments (Ecuador and Thailand).
We used two sources of data, namely key informant interviews and peer-reviewed and grey literature. To identify potential key informants, we used purposeful sampling and the snowball method. We began by reviewing extant literature to generate a preliminary understanding of HiAP implementation in each setting. From the literature, we identified both eminent HiAP scholars as well as policy-makers and experts described as essential for each case. In selecting key informants for interviews, we sought a diverse sample in terms of policy sectors and positions, including participants from outside of government as well as referrals from interviewees. All potential informants were first screened for eligibility, and those rating themselves as familiar with HiAP implementation were deemed eligible. For each case, between 10 and 15 interviews were completed, consisting of politicians, civil servants, public-health experts, academics and/or representatives of non-governmental organisations. In all six cases, the interviewed politicians and civil servants represented several different policy sectors (e.g. education, environment, employment, finance).
All potential interviewees received an information sheet by email describing the study, and we obtained their verbal, informed consent prior to the interviews. We created a semi-structured interview guide to collect evidence on our hypotheses (including motivation), with the goal of probing for mechanisms while trying to avoid leading key informants toward any one hypothesis. Phone or face-to-face interviews with key informants were conducted in their native languages and the interviews were audio recorded. A researcher conducted the Finnish interviews while professional interviewers conducted the interviews for the other five cases. The bilingual interviewers (and a Finnish researcher) then transcribed the interviews and translated them to English. The St. Michael’s Hospital Research Ethics Board (#10–162) approved the study and its procedures.
Regarding extant literature, we undertook a systematic search for evidence on our hypotheses by following a predesigned protocol. Grey sources of literature included legislation, reports, guides, website text, tools, meeting agendas, presentations, recommendations and/or briefing notes from various government and academic institutions.
Using a protocol [23, 26], we created what Pawson and Tilley  call context–mechanism–outcome (CMO) pattern configurations to articulate mechanisms that explain how complex programmes work and fail in different contexts. CMOs are the cornerstone of Pawson and Tilley’s realistic evaluation and focus on the relationship between the context of participants’ lives (what conditions are needed to trigger a mechanism to produce an outcome), the underlying causal mechanisms (how a mechanism leads to a particular outcome in a given context) and the outcomes (what outcomes are produced by mechanisms triggered in a given context).
For each of our six cases, two investigators independently coded interview data (using comments in Microsoft Word) to flag text that directly referred to our hypotheses, focusing on rich descriptions of mechanisms. In teams of two or more, we reviewed all coded interview data to generate CMO-pattern configurations and indicate whether they confirmed or refuted our hypotheses. Due to human-resource and time constraints, literature data were coded and summarised by one person (using comments in Adobe Acrobat). This was not a major impediment to analysis, as extant literature on mechanisms was often sparse. All data were stored electronically in an Excel database. Files were stored in clearly organised and labelled folders and filed in a shared drive to which only the research team had access.
For each case, using the CMO database, we summarised all thick evidence (i.e. the CMOs with clear links between a mechanism and an outcome) as it related to particular hypotheses (see Appendix as an example of a narrative evidence summary for one case). During this stage, we paid particular attention to the relationship between our evidence and the systems framework. In preparation for the cross-case analyses, we assessed which system component we expected to be relevant for a given hypothesis. We then applied our evidence for all cases to the systems framework to assess the extent to which our predictions about the systems framework were represented in the evidence. In the results section, the system components are indicated using quotation marks.
We assessed the quality of evidence within and across cases in terms of triangulation of sources and strength of evidence (Table 3). We also strengthened hypothesis testing using replication logic. Replication logic means that, because of anticipatable reasons (i.e. case characteristics), each case predicts either similar (a literal replication) or contrasting (a theoretical replication) results . Using information on HiAP mandates in different jurisdictions, we identified an index case (Ecuador) expected to provide strong support and then classified every comparison case study as either a literal or theoretical replication. Using literal replications, we tested situations in which causal factors on the implementation of HiAP were expected to produce the same results, and we used theoretical replications when contrasting results were expected, based on differences in the HiAP mandates (Table 4). As we considered engaging non-health sector policy-makers by using win–win strategies to be largely about removing possible barriers for collaboration among different actors, we defined the cases with strong commitment to a HiAP mandate as literal replications (e.g. intersectoral council and specific funding allocated to the implementation) and the cases with weak commitment to the mandate as theoretical replications. Our replication logic also holds that the clarity of mandate (e.g. clear targets for monitoring the implementation) would not matter in using win–win strategies.
Shared-language win–win strategy
As shown in Table 5, across the six cases, there was a high degree of support indicating that the shared-language win–win strategy facilitated sectoral buy-in, with no evidence against it. We found strong support in California and Scotland, while support was adequate in Ecuador and Norway, but limited for Finland and Thailand. All of the strong evidence was found for theoretical replications (California and Scotland), while all adequate evidence was found for literal replications (Ecuador and Norway).
For example, in Scotland, the shared-language win–win strategy was effective at garnering buy-in for planning HiAP interventions at the national and local levels by facilitating a mutual understanding (‘workforce capacity for ISA’) of different ‘sectoral objectives’ and creating a supportive, more trusting environment for developing planning partnerships. In practice, the Equally Well strategy as such already focused on well-being rather than health and, at an early phase of the implementation, learning sites were created. According to one informant, the learning sites made possible that “people could talk about the different approaches and learn the different languages” across sectors, such as the built environment and health.
Multiple outcomes win–win strategy
A high degree of support was also found for the multiple outcomes win–win strategy facilitating buy-in, with no evidence found against it. California and Scotland (theoretical) as well as Norway (literal) provided strong support for our hypothesis, whereas Finland (theoretical) and Thailand (literal) provided adequate evidence, and Ecuador (literal) provided limited evidence.
For example, in California, an ‘expert advisors’ consultative approach was used successfully to identify collaborations based on existing objectives, giving the sectors a feeling that they were addressing their own goals (‘sectoral objectives’) distinct from health, such as liveability and sustainability. Specifically in sectors where there was initial resistance, this approach was beneficial in showing the merits of structured intersectoral action on achieving each sectors’ own objectives.
Public health arguments win–win strategy
For the public health arguments win–win strategy, the degree of support across cases was low, although there was no support against it either. We only found strong evidence supporting our hypothesis from Finland, and limited evidence from California, both representing theoretical replications. In Finland, austerity (‘policy agenda’) reduced support for environmental protection as the government claimed that they could not afford to favour environment over employment and economic growth. In this situation, the Ministry of the Environment (‘high-ranking civil servants’) collaborated on health objectives (‘sectoral objectives’) to get more people to buy into the environmental protection agenda, that at times conflicts with the objectives of the industry.
Predictions about systems framework
In relation to our a priori expectations about how our systems framework could help indicate mechanisms related to the win–win strategies, we found sectoral objectives to be the only component relevant across all cases. In Scotland, Thailand and Finland, non-health sectors (e.g. mining and environment) realised the benefits of addressing health and health inequalities to achieving their own sectoral objectives, which facilitated buy-in for HiAP implementation. In Norway, the education sector decided to prioritise health (e.g. to invest in ventilation systems and mental health promotion in schools) when recognising its importance for their own sectoral objectives (i.e. student learning outcomes) and engaging non-health sectors on implementing the National Strategy to Reduce Social Inequalities in Health improved after the health sector invited other sectors to incorporate their objectives into the process. In California, sectoral objectives were used to employ a focus on HiAP activities that benefit the health and non-health sectors alike after expert advisors had identified potential collaborations based on existing sectoral objectives, as described earlier. In Ecuador, the two-tiered governance structure enabled the coordinating ministry (upper tier) to facilitate buy-in for HiAP by using its role laid out in the mandate to help shape the sectoral objectives of lower tiered ministries.
We found little or no support that some systems components were relevant to the underlying mechanisms of the win–win strategy, including sectoral ideology, capacity, awareness and management. In fact, Scotland was the only case in which workforce capacity was relevant, and only one of two — the other being Ecuador — in which HiAP management was observed. Norway and Finland were the only two cases in which awareness proved relevant.
In this cross-case study of six state- and national-level governments, we found robust evidence for two mechanisms about how and why win–win strategies build partnerships for HiAP implementation, namely the use of shared language and the value of multiple outcomes. Within our cases, the triangulation was strong, both hypotheses were supported by literal and theoretical replications, and there was no support against them.
The cornerstone of the shared-language win–win approach is to modify the health-sector terminology and pro-HiAP arguments to engage with the language of the audience. Our evidence for the effectiveness of this strategy in different jurisdictions seems understandable when we consider that (1) policy-makers often interpret key public-policy terms in different ways , (2) within different government systems and sub-systems, policy-makers also use some of their own unique languages , and (3) the use of specific terminology (e.g. health and equity) includes beliefs and values that have the potential to conflict with the understanding of policy-makers representing other sectors . Furthermore, all of the strong evidence for using the shared-language win–win approach was found for contrast replications, indicating that strong commitment for the HiAP mandate is not a requisite for this strategy to be effective (neither does it matter whether the mandate is clear or unclear).
The dual-outcomes win–win strategy is based on an understanding that governments contain systems and subsystems with their own rules on what to pursue and how to pursue it  and that, as power is shared across many government sectors and levels of government, with a range of quasi-governmental and non-governmental actors, policy-makers are, to a varying degree, dependent on other actors who exert some degree of power over policy outcomes [30, 31]. Based on our evidence, recognising how one is situated within a government system, and utilising this information in negotiating actions and dual outcomes, works in engaging policy-makers in different settings.
In using the public health arguments win–win strategy, we only found evidence from Finland, where non-health sectors bought into HiAP to advance their own sectoral objectives. Specifically, the Ministry of Environment used public-health arguments to “frame” [32, 33] their own objectives and actions. Using public health arguments, the Ministry of Environment gained support from the Ministry of Social Affairs and Health (which they considered to be more powerful) and made their own objectives and actions easier to engage with for a wide range of policy-makers throughout the government system. The fact that we only found evidence on using public health arguments to advance non-health sectors’ own objectives from Finland might be due partly to the historical legacy and institutionalisation of intersectoral action in the Finnish context [34,35,36]. This legacy could also help to explain why there was relatively little evidence that buy-in for HiAP required the development of a shared language, since non-health sectors may already understand the rationale for HiAP and their role in the approach.
In their study, Molnar et al.  found stronger support for the use of the public health arguments win–win strategy. Compared with their study, whose sample included Quebec, South Australia and Sweden, our study captured a larger sample of cases from relatively different contexts (high-income and middle-income settings, different types of mandates). In both studies, the collection and analysis of data were based on using a well-designed protocol [23, 26] that enabled the gathering of detailed explanations of implementation outcomes. In both studies, key informants were also selected carefully from within and outside of government, and they were guaranteed full anonymity, increasing the opportunity to learn about HiAP implementation from diverse perspectives and without a filter.
However, it should be noted that, for either study, it was not possible to recruit key informants from all policy sectors involved and from all geographical levels, for all cases. Both studies might also face limitations because of key informants’ limited experiences with facilitators and barriers of HiAP implementation. After all, in both studies, there were only 10–15 key informants for each case, the literature was often sparse concerning mechanisms, and either study had no explicit way of assessing the importance of different outcomes objectively (e.g. small vs. large). These methodological limitations might partly explain the varying results between studies regarding the public health arguments win–win strategy, together with contextual factors producing different results for different samples of cases.
Obtaining comparable qualitative information might also have suffered from cultural differences and the fact that our six cases represent five different native languages. However, we have no means to assess the scope or strength of this effect. Even if our results are not generalisable to other contexts, they reveal the inner workings of win–win mechanisms in six different contexts and provide important insights into designing future HiAP initiatives and their implementation.
We have previously argued that a systems framework would be useful for understanding HiAP implementation , and others have espoused systems theory to explain engagement in policy-making [15, 16]. Based on our systems framework, we expected that the most important system components to using win–win strategies are sectoral objectives, and we found empirical support for this prediction. Our theoretical insight here was that policy-makers’ engagement with HiAP implementation is strongly influenced by how they situate into a government system, and that different government sectors include their own objectives, each providing different incentives for policy-makers to engage with particular actions. However, we also expected that sectoral ideology would play a considerable role but found very little support for this. This is somewhat surprising, as previous studies have indicated that policy-makers create coalitions with actors, and they are influenced the most by actors who understand their ideologies, despite formal organisational arrangements and boundaries within a government system [30, 37]. In future studies, it is worth explicitly addressing specific ideological assumptions to test how sectoral ideologies vary and if they really do not play a role in using win–win strategies in engaging policy-makers to implement HiAP .
We conclude that two mechanisms about how and why win–win strategies build partnerships for HiAP implementation, namely the use of shared language and the value of multiple outcomes, were found as relevant to six settings (California, Ecuador, Finland, Norway, Scotland and Thailand). Both of these mechanisms trigger a process of developing synergies and releasing potentialities among different government sectors and these interactions between sectors often work through sectoral objectives. These mechanisms should be considered in designing future HiAP initiatives and their implementation to enhance the emergence of non-health sector policy-makers’ engagement. For the use of the public health arguments mechanism, we only found evidence from Finland, and conclude that this might be due partly to the historical legacy and institutionalisation of intersectoral action in the Finnish context.
Availability of data and materials
The datasets generated and/or the summary tables from our analysis during the current study are not publicly available due to the sensitivity of confidential interviews with government employees, but they are available from the corresponding author in a de-identified manner upon reasonable request. The semi-structured interview guide is also available from the corresponding author.
HiAP Analysis using Realist Methods On International Case Studies
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The authors would like to thank HARMONICS project group members for their contribution to the research.
This work was supported by the Finnish Cultural Foundation (grant number 00170036 to LK), the Canadian Institute of Health Research (grant numbers 111608 and 96566), the Ontario Ministry of Health and Long-Term Care, and Wilfrid Laurier University.
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Research Ethics Board, St. Michaels Hospital, #10–162.
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Narrative evidence summary for Norway
Strong evidence for multiple outcomes win–win strategy
Strong evidence described the importance of using a win–win multiple outcomes approach in engaging non-health sectors. One thick mechanism described how ‘de-healthifying’ language helped other sectors to see Health in All Policies (HiAP) as an advantage to support their own objectives, engaging non-health sectors at the national level (outcome: non-health sector buy-in). Another indicated that the school sector decided to prioritise health (outcome: non-health sector buy-in) on a local level when recognising the importance of health for learning as well as the importance of the school environment for health. The informant stated “If you’re in the schooling system, your main priority is to get school instructions or whatever, but they are very aware of mental health because without good mental health there is no learning” (NOR177_04). Finally, one informant described how engaging non-health sectors on implementing the National Strategy to Reduce Social Inequalities in Health on a national level improved after the health sector invited other sectors to incorporate their own goals and expertise into the process.
Adequate evidence for shared-language win–win strategy
Adequate evidence described the importance of understanding the mission and culture of non-health sectors and using a shared-language win–win approach. One thick CMO indicated that buy-in (Outcome) of non-health sectors improved on a national level after becoming aware of the need to work together to obtain each sector’s missions and sectoral objectives. We also found one evidence describing how buy-in of non-health sectors improved on a national level after the development of a common understanding of HiAP goals. One interview indicated how creating an understanding of health inequalities by describing health in terms of quality of life (and avoiding the WHO definition of health) helped to engage municipalities. “Common understanding around what is common language to discuss things because talking about health I think many people have different perspectives on what is health and we now try to develop a common set of understandings” (NOR117_06).
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Kokkinen, L., Freiler, A., Muntaner, C. et al. How and why do win–win strategies work in engaging policy-makers to implement Health in All Policies? A multiple-case study of six state- and national-level governments. Health Res Policy Sys 17, 102 (2019). https://doi.org/10.1186/s12961-019-0509-z
- Health in All Policies
- multiple-case study
- systems framework
- realist methods