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Decentralised versus centralised governance of health services (Protocol

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Decentralised versus centralised governance of health services (Protocol) Sreeramareddy CT, Sathyanarayana TN This is a reprint of a Cochrane protocol, prepared and maintained by The Cochrane Collaboration and published in The Cochrane Library 2013, Issue 11 http://www.thecochranelibrary.com Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.
TABLE OF CONTENTS 1 HEADER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ABSTRACT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 BACKGROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 OBJECTIVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 METHODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ACKNOWLEDGEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 ADDITIONAL TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 APPENDICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 CONTRIBUTIONS OF AUTHORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 DECLARATIONS OF INTEREST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.
Decentralised versus centralised governance of health services (Protocol) Sreeramareddy CT, Sathyanarayana TN This is a reprint of a Cochrane protocol, prepared and maintained by The Cochrane Collaboration and published in The Cochrane Library 2013, Issue 11 http://www.thecochranelibrary.com Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. TABLE OF CONTENTS HEADER . . . . . . . . . . ABSTRACT . . . . . . . . . BACKGROUND . . . . . . . Figure 1. . . . . . . . . OBJECTIVES . . . . . . . . METHODS . . . . . . . . . ACKNOWLEDGEMENTS . . . REFERENCES . . . . . . . . ADDITIONAL TABLES . . . . . APPENDICES . . . . . . . . CONTRIBUTIONS OF AUTHORS DECLARATIONS OF INTEREST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 1 3 3 3 7 7 9 10 12 12 i [Intervention Protocol] Decentralised versus centralised governance of health services Chandrashekhar T Sreeramareddy1 , TN Sathyanarayana2 1 Faculty of Medicine and Health Sciences, University Tunku Abdur Rahman, Kajang, Malaysia. 2 Health Policy and Management, Public Health Foundation of India, Hyderabad, India Contact address: Chandrashekhar T Sreeramareddy, Faculty of Medicine and Health Sciences, University Tunku Abdur Rahman, Kajang, Selongor, 43000, Malaysia. chandrashekharats@yahoo.com. Editorial group: Cochrane Effective Practice and Organisation of Care Group. Publication status and date: New, published in Issue 11, 2013. Citation: Sreeramareddy CT, Sathyanarayana TN. Decentralised versus centralised governance of health services. Cochrane Database of Systematic Reviews 2013, Issue 11. Art. No.: CD010830. DOI: 10.1002/14651858.CD010830. Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. ABSTRACT This is the protocol for a review and there is no abstract. The objectives are as follows: To assess the effects of decentralisation or centralisation of governance of health services on access to health care, utilisation of health services, population health and other outcomes of interest. BACKGROUND Governance, particularly ‘good governance’ is an important determinant of economic growth, social advancement, and overall development, including the eight millennium development goals (MDGs) to be achieved in low-and-middle-income countries (LMICs) (Akin 2001; Davoodi 1998; Siddiqi 2009). According to the United Nations Development Program (UNDP), governance is “the exercise of political, economic and administrative authority in the management of a country’s affairs at all levels” (United Nations Development Program 1997). In order to achieve development goals, public sector policy reforms are ongoing in both high-income countries (HICs) and LMICs. Decentralisation is one such public sector policy reform, in which greater autonomy is provided to lower levels for one or more governmental services, including those levels responsible for health services. Thus decentralised governance of health services means transfer of authority in planning, management and decision making from national to sub-national level (i.e. to the regional, state, district/municipal level), or in general from higher levels to lower levels in the hierarchy of governance (Robalino 2001). Decentralised governance of the health system may encompass some of the typical functions of higher level (central) government such as the allocation of central funds and recruitment of human resources for health. Authority for some functions may remain centralised while others are decentralised. Typically, decentralisation is a dynamic phenomenon with greater or less centralisation of governmental services at different times, depending on the political context. In HICs such as the USA, UK, Spain and Italy, decentralisation of health services has been a part of broader fiscal decentralisation in which federal authority has been devolved to the sub-national level by providing autonomy to regional and local authorities (Litvak 1998; Mills 1990; Saltman 2007). In contrast to this, decentralisation of the health services in many LMICs has mostly occurred as a response to the primary healthcare approach promoted by international agencies such as the World Health Organization (WHO) and the United Nations Children’s Fund (UNICEF) (Akin 2001; WHO 1995). Health system decentralisation has been implemented in different forms and to different extents depending on the existing political and public administrative structure of the country and the organisation of the health system itself (Bossert Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 1 1995; WHO 1995). For instance, in Botswana, primary health care was decentralised to district and town councils and managed by a district health team while central government continued to fund the capital grants and recurrent expenses (Maganu 1990). In Chile, there are two levels of decentralisation: regional level and municipalities. The regional health secretariat and area health services have complete autonomy in all functions and in health services administration. Through an agreement with the director of health services, the municipalities own the primary healthcare system (which includes infrastructure, equipment and staff ) but the costs of services, including staff salaries, are paid by national health funding (Montoya-Aguilar 1990). Several countries in south-east Asia, including India, Nepal and Bangladesh, have also accepted decentralisation in principle through their respective constitutions and policy frameworks. However, the implementation of decentralisation has been very limited due to a lack of committees, boards or local governments (such as municipalities) in many settings; the unwillingness of central actors to take forward these policies; and resistance from health staff themselves (Pokharel 2000). cision space map’ to help analyse the range of choices available. This approach focuses on how much choice is exercised by decentralised decision makers over ‘what functions’. The decision space approach defines health system functions (such as financing, service delivery, human resources, access rules, and governance) and their sub-functions, and the range of choice exercised by officials at different levels of the health system for these functions (defined as ‘narrow’, ‘moderate’ or ‘wide’) (see Table 1) (Bossert 1998). The approach is therefore applicable to both decentralised and more centralised health system governance. Where governance is more centralised, the range of choice (authority) over various health system functions is greater for higher administrative levels, such as state/regional/provincial or national levels. We will draw on elements of the ’decision space approach’ for this review. Based on this approach, we will include healthcare decisions made both at central and decentralised levels and covering a range of areas such as financing, service delivery and organisation over which the decision makers have authority. However, we will not attempt to classify the range of choice exercised by officials into ‘narrow’, ‘moderate’ and ‘wide’ since these categories are difficult to define clearly in the context of this review. Description of the condition Decentralisation of health services is not a simple health sector reform since it is not always clear which functions should be decentralised, who will initiate the process and at which levels decentralisation should take place. Furthermore, the enabling or constraining conditions for successful decentralisation are not well understood(Asfaw 2007; Jutting 2005). Available studies on the effects of decentralised public governance (in general) report only outcomes such as government’s size and quality, and economic growth, and little on the effects of decentralisation on population health outcomes (Robalino 2001) and health systems performance, in terms of quality, access, utilisation, equity and efficiency. This literature is diverse in quality and content. It includes country case studies with descriptive analyses, qualitative studies and appraisals of decentralised health services governance. This literature provides theoretical frameworks and causal hypothesis about the possible effects of decentralised governance of health services on population health outcomes. However, there are a few quasi-experimental and mixed methods studies which have assessed the effects of decentralised health services governance on health outcomes. Description of the intervention There is a lack of clear definitions for types and levels of decentralisation. Two approaches have been proposed for understanding decentralisation of health services. In the early 1990s, the WHO proposed a four-fold typology (Mills 1990). Later, Bossert outlined a ’decision space approach’ (Bossert 1998) which uses a ‘de- How the intervention might work Governance forms one of the WHO’s building blocks for health systems and influences the functions of the other building blocks within this framework (WHO 2007). It has been suggested that good governance may lead to improved health system performance (Bossert 1995). Indeed, the ultimate goal of health system reforms involving decentralised governance is often to improve access to and utilisation of healthcare services. Improved access may, in turn, lead to improvements in population health outcomes such as morbidity, disability and mortality (Collins 1995; Khaleghian 2004; Mills 1990). In centralised governance, resources such as staffing and funding are managed from the centre and allocated to specific health programmes or functions. However, more decentralised models of governance, in which local decision makers have greater decision space, may help to ensure that the selection of priorities is more congruent with local needs as lower level authorities may have a better understanding of how best to use available resources. Decentralised governance may also be more accountable to local communities and stakeholders and may help to build local institutional capacity (Heywood 2010). One of the pathways through which decentralisation may improve access to health care and other social services may therefore be through enhancing the participation of the community in decision making (Collins 1994; Robalino 2001). However, it has been argued that institutional capacity and mechanisms of accountability are necessary for decentralised authority to translate into improvements in lower level health systems (Bossert 2011). In addition to the above benefits, decentralised Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 2 health programs are said to be closer to their users, fulfil local health needs and allow for increased flexibility and transparency (Lieberman 2002; Litvack 1999). Figure 1 shows a logic model of pathways leading to improved health outcomes as a result of decentralised governance of health. Figure 1. Logic model for pathways of decentralised governance of health services on health outcomes Decentralised health systems governance may also have negative impacts. For example, poorer local governments may not be able to raise necessary revenues, resulting in the inadequate allocation of funds. For instance, local governments may provide inadequate funding for preventive services in the absence of centrally-funded vertical health programs. Other unintended effects could include increased workloads of frontline health workers due to the integration of services at local level and expansion of the range of services provided by them. This, in turn, may lead to burnout and low morale (Lakshminarayanan 2003). Other potential negative consequences include the mismanagement of funds in the absence of control by higher authorities, and poor management of health services due to new roles and responsibilities, particularly if local managers do not have sufficient capacity and training to take on these roles (Tanzi 1996). Why it is important to do this review There is conflicting evidence regarding the desirable and undesirable effects of decentralisation and centralisation (Anokbonggo 2004; Atkinson 2004; Bossert 2002; Bossert 2003; Bossert 2007; Gupta 2004; Heywood 2010; Jimenez 2005; Lakshminarayanan 2003; Robalino 2001; Rubio 2011; Soto 2012). To date, no systematic review has been undertaken to assess the available evidence of the effects of decentralisation or centralisation on access to health care, utilisation of health services, population health and other outcomes of interest. OBJECTIVES To assess the effects of decentralisation or centralisation of governance of health services on access to health care, utilisation of health services, population health and other outcomes of interest. METHODS Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 3 Criteria for considering studies for this review Types of studies 1. Randomised controlled trials (RCTs) 2. Non-randomised controlled trials (NRCTs) 3. Controlled before-after (CBA) studies 4. Interrupted time series (ITS) studies CBA studies with at least two intervention sites and at least two control sites and ITS studies with at least three time points before and after the implementation of the intervention will be considered. We will include cluster randomised and non-randomised studies, provided that they meet our other inclusion criteria. Types of participants Decision makers, including policy makers, public officials and health facility managers; health service providers; and health service users in any country. Types of interventions • Centralisation of governance of health services where the authority for policy making, planning or management is transferred to a higher (more central) level of government from a lower (more decentralised) level of government; e.g. from district to state or from state to national authorities. • Decentralisation of governance of health services, where the authority for policy making, planning or management is transferred to a lower (more decentralised) level of government, from a higher (more central) level of government; e.g. from national to state or from state to district authorities. Interventions to decentralise or centralise health service governance may include components intended to change the degree to which officials and others making decisions regarding health care make use of their decision-making powers (i.e. their decision space (Bossert 1998)). ‘Authorities’ include governments and government agencies with responsibility for policy making, planning or management of health services. Government agencies can have varying degrees of autonomy, independence and accountability. Exclusions We will exclude interventions that transfer authority from the government to a government agency, or from a government agency to the government at the same level of government. This is because such changes do not constitute either centralisation or decentralisation of health service governance. We will exclude interventions that do not transfer authority for policy making, planning or management of health services. This includes transfer of authority over educational institutions that train health professionals and transfer of authority over other sectors that affect health (e.g. food or housing), unless it is part of a broader reform that also includes transfer of authority over health services. We will exclude interventions that expand the authority of the government or government agencies by transferring authority from the private sector to the government or a government agency. Interventions that transfer authority from the government or a government agency to the private sector (privatisation) also will be excluded. This includes transfer of authority to or from professional organisations, non-governmental organisations, and international development agencies. This is because such changes do not necessarily constitute either centralisation or decentralisation of health service governance. Types of outcome measures Primary outcomes To be included, studies must report at least one of the following types of outcomes: • Utilisation, coverage or access to health services or health insurance • Quality of care • Patient outcomes • Resource use • Productivity or efficiency • Any adverse (undesirable) effects Secondary outcomes In addition we will record any of the following outcomes that are reported in included studies: • Impacts on equity (i.e. differential effects across advantaged and disadvantaged populations, such as low-income or rural populations) • Health provider outcomes, including workload, work morale, stress, burnout, sick leave • Satisfaction of patients, providers, decision makers or other stakeholders • Changes in revenue sources Search methods for identification of studies We will search for and include both published and unpublished studies and studies reported in any language without any time limits. Electronic searches We will search the following electronic databases: • The Cochrane Central Register of Controlled Trials (including The Cochrane Effective Practice and Organisation of Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 4 Care (EPOC) Group Specialised Register) (The Cochrane Library) • MEDLINE (Ovid) • EMBASE (Athens) • PubMed • International political science abstracts (Ebsco) • PAIS • Worldwide Political Science Abstracts • Health Management • Global Health (CAB Direct) • World Health Organization (WHO) Global Health Library • The Database of Abstracts of Reviews of Effects (DARE, The Cochrane Library) • LILACS We will develop strategies that incorporate the methodological component of the EPOC search strategy combined with selected index terms and free text terms. The MEDLINE search strategy will be translated into the other databases using the appropriate controlled vocabulary as applicable (See Appendix 1 for our MEDLINE search strategy). We will search for ongoing trials in the following two trial registries: 1. International Clinical Trials Registry Platform (ICTRP), World Health Organization (WHO): http://www.who.int/ictrp/ en/ 2. ClinicalTrials.gov, US National Institutes of Health (NIH): http://clinicaltrials.gov/ Searching other resources We will search the websites and online resources of the following organisations: United Nations Development Program, World Bank, European Observatory on Health Systems and Policies, the Society for Health Systems Research. We will also handsearch the journals Health Policy and Planning and Health Services Research. We will check the reference lists of all the identified primary studies to identify additional studies. The authors of relevant studies will also be contacted to identify any further published or unpublished studies. In addition, we will search the Science Citation Index and the Social Sciences Citation Index for studies which cite studies included in the review. We will contact experts in the field of health systems research or authors of other relevant reviews to check if they are aware of any relevant studies. Data collection and analysis Selection of studies The search results from the various sources will be uploaded into EROS (Early Review Organising Software) (see: http://www.eros- systematic-review.org/). We will use EROS for managing and screening references. We will delete duplicate records of the same references. Titles, abstract and full text articles for potentially-relevant studies will be screened independently by two review authors (CTS and TNS). Any disagreements between the authors will be resolved through discussion or by consultation with a potential third review author. If a potentially-eligible study or included study has incomplete information, we will attempt to contact the authors to obtain further details. Data extraction and management Each of the two review authors will independently extract data from the eligible studies, including the following elements: 1) Study details • Name of the first author • Year when the study was conducted • Date of publication • Country and region within the country where study was conducted • World Bank classification of the country (low-income country, middle-income country or high-income country) 2) Types of interventions • Level of government or government agencies to which authority is transferred • Level of government or government from which authority is transferred • Types of areas for which authority is transferred (e.g. decisions about financing, service organisation, human resources) • How decentralisation/centralisation was undertaken (i.e. the process used to implement this change) • Intervention group participants • Control group participants We will also extract information about key functional areas for which authority was transferred. For example, these may include the formation of local governing bodies (e.g., at district hospitals or at community level) who have autonomy to levy user fees and to use the funds generated for hospital development, procuring essential drugs and equipment, recruiting doctors, nurses, technicians, etc. 3) Study characteristics • Study design • Risk of bias (see Assessment of risk of bias in included studies below) 4) Outcome measures assessed in the study • Primary outcomes • Secondary outcomes Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 5 Assessment of risk of bias in included studies Two independent authors (CTS and TNS) will assess the risk of bias for studies that are included in the review. For this purpose we will use the ’Risk of bias’ criteria suggested by the Cochrane Effective Practice and Organisation of Care (EPOC) group (EPOC 2013). These include nine criteria which provide guidance to assess sequence generation, allocation concealment, blinding, incomplete outcome data, selective outcome and reporting and other potential sources of bias for randomised trials, non-randomised trials and controlled before-after studies, and seven criteria for interrupted time series studies. The studies will be divided into three categories based on the ’Risk of bias’ approach suggested in the Cochrane Handbook (Higgins 2011): low risk of bias, moderate risk of bias, high risk of bias. Disagreements about risk of bias will be resolved either through discussion or by consulting the third author. Measures of treatment effect Continuous and categorical data extracted from eligible studies will be analysed separately. For dichotomous outcome variables we will calculate risk ratios and their 95% CIs. For continuous data we will calculate mean differences and their 95% CIs. If similar outcomes are measured on different scales, we will calculate standardised mean differences. For continuous outcomes, we will preferably extract post-intervention values if the required means and standard deviations are available, since all studies may not report change from baseline (change score) (Higgins 2008). For ITS studies, we will perform re-analysis if sufficient data are available from the eligible studies or authors provide the data (if sufficient data are not available). For each outcome measure we will undertake re-analyses to calculate standardised short- and longterm effects as the changes in level and in trends (respectively) before and after the intervention (Aaserud 2006). Unit of analysis issues If cluster randomised trials or controlled before-after studies are included in the review, we will use the reported cluster adjusted risk ratios or mean differences and their 95% CIs. If the analysis was not adjusted for clustering we will use the intracluster correlation coefficient (ICC), if available, to adjust the confidence interval. If the ICC is not available, we will attempt to impute it from other studies included in the review. Dealing with missing data We will try to contact the authors of included studies to obtain missing data where possible. If it is not possible to obtain missing data, we will attempt to impute missing values. All the assumptions made for any imputations will be documented. We will use intention-to-treat analyses if the authors have reported this or contact the authors to perform such re-analyses. In case of unavailability of intention-to-treat analyses, and indications that the data are not missing at random, we will consider whether this constitutes a risk of bias. If aggregate data such as the standard deviation for change-frombaseline are missing, we will use the standard deviation for the same outcome from another study, if available, or we will impute the standard deviations using recommended methods (Abrams 2005). Assessment of heterogeneity Studies meeting the inclusion criteria will be assessed for heterogeneity on the basis of the context (including the income level of the country), differences in the participants, differences in the interventions with respect to the levels from and to which authority is transferred and the decision space (types of authority that are transferred), and differences in study designs. For studies that evaluate similar interventions and report similar outcomes and might therefore be included in a meta-analysis, statistical heterogeneity will be measured according to recommendations in the Cochrane Handbook for Systematic Reviews of Interventions (section 9.5.2). We will measure heterogeneity using the I2 statistic. This statistic describes the percentage of total variation across studies that is due to heterogeneity (Higgins 2011). Assessment of reporting biases If there is a sufficient number of included studies (at least 10) reporting similar comparisons and outcomes, we will examine asymmetry in funnel plots as an indication of the need to explore the risk of publication bias or other causes of asymmetry (Sterne 2001). For continuous outcomes with intervention effects measured as mean differences, the test proposed by Egger 1997 will be used to test for funnel plot asymmetry. For dichotomous outcomes with intervention effects measured as risk ratios, and continuous outcomes with intervention effects measured as standardised mean differences, we will not undertake funnel plot calculations as the methods for this are not well developed. We will interpret the results of tests for funnel plot asymmetry in the light of visual inspection of the funnel plot, as the statistical results may not be representative if there are small-study effects. Data synthesis Studies that evaluate similar interventions will be grouped together and the results for those studies will be summarised in tables, including key characteristics of each study (explanatory factors), outcomes reported in natural units and, when relevant, standardised outcome measures to facilitate comparisons across studies. If there are two or more studies that evaluate similar interventions and report similar outcomes, we will calculate pooled risk ratios, mean differences or standardised mean differences using a random-effects model. Otherwise, we will report the median and range of effects, if relevant, or measures of effect from individual studies Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 6 when there are not other studies evaluating a similar intervention and reporting a similar outcome. For each group of studies we will prepare a ’Summary of findings’ table, including an assessment of the quality of evidence for each of the main outcomes or types of outcomes (as listed under Types of outcome measures above). Quality of evidence will be assessed using the GRADE approach (Guyatt 2008). Subgroup analysis and investigation of heterogeneity We expect that there could be variations in the findings of the different studies included in the review due to various sources of heterogeneity. These include the level to and from which authority was transferred, the areas of health service governance for which authority was transferred, economic status of the countries (HICs or LMICs according to the World Bank classification), political structure (i.e. the system of government of the country) and the outcomes measured (e.g. utilisation, coverage or access for different types of health services) (see Table 2). We will use graphical ways to report the results (e.g. bubble plots or box-plots displaying medians and quartiles) to visually explore heterogeneity due to the factors outlined above. If this approach suggests important heterogeneity, and there are sufficient numbers of studies, metaregression will be used to examine the listed variables as predictors of heterogeneity. We will use ’metareg’ command in STATA (version 10) with the restricted maximum likelihood option (Sharp 1998). We will also consider equity analysis for selected outcomes. Equity analysis will explore if subgroups of the included populations, such as the poorest and richest or lowest educated and highest educated groups, benefited equally from the intervention. We will classify the populations according to whatever relevant social determinants of health are reported in each study. If sufficient studies reporting similar interventions and similar outcomes are available we will perform subgroup analyses to explore the differences in main outcome measures according to the categories outlined in Table 2. Sensitivity analysis We will test the robustness of our findings by modifying any assumptions that are made about missing data within a plausible range of values and by removing studies at a high risk of bias, if there are studies with different risks of bias evaluating the similar interventions and reporting similar outcomes. ACKNOWLEDGEMENTS The authors acknowledge the help provided by Marit Johansen in developing the search strategies and additional support from the Cochane EPOC Review Group. REFERENCES Additional references Aaserud 2006 Aaserud M, Dahlgren AT, Sturm H, Kosters JP, Hill S, Furbert CD, et al.Pharmaceutical policies: effects on rational drug use, an overview of 13 reviews. Cochrane Database of Systematic Reviews 2006, Issue 2. [DOI: 10.1002/14651858.CD004397.pub2] Abrams 2005 Abrams KR, Gillies CL, Lambert PC. Meta-analysis of heterogeneously reported trials assessing change from baseline. Statistics in Medicine 2005;24:3823–44. Akin 2001 Akin J, Hutchinson P, Strumpf K. Decentralization and Government Provision of Public Goods: The Public Health Sector in Uganda. Carolina Population Center University of North Carolina at Chapel Hill, Working Paper 01-35 2001. Anokbonggo 2004 Anokbonggo WW, Ogwal-Okeng JW, Obua C, Aupont O, Ross-Degnan D. 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Everybody’s Business: Strengthening Health Systems to Improve Health Outcomes WHO’s Framework for Action. Geneva: WHO, 2007. ∗ Indicates the major publication for the study ADDITIONAL TABLES Table 1. A ‘decision space map’ for analysing the range of choices exercised by decentralised decision makers Key functional areas Financing- Sources of revenue - Allocation of expenditures - Income from fees and contracts Service delivery and organisation- Hospital autonomy - Insurance plans - Payment mechanisms - Contracts with private providers - Required programs/norms Health workforce- Salaries - Contracts - Civil service Access rules- Targeting Governance rules- Facility boards - Health offices - Community participation Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 9 Table 2. Subgroup analyses for differences in the effects of decentralised or centralised authority Explanatory factors Categories that will be considered for Predicted interaction and its direction each factor Functional areas of health services gover1. Financing (sources of funds as nance for which authority was transferred disbursed centrally or locally raised and allocation for current activities) 2. Service delivery and organisation (autonomy of local health systems/ hospitals over implementation of activities, making decisions about insurance plans and payment mechanisms for health personnel, etc.) 3. Health workforce (recruitment, postings, discipline and decisions on salaries of health personnel) 1. The effects of decentralising the financing of health services only may be less than the effects of decentralisation that includes a wider range of functional areas. This is because locally raised funds alone may be insufficient for local needs (in the absence of central funding). 2. Decentralisation that involves service delivery and organisation may be more effective than that involving other functional areas. This is because lower levels of the health system may then be able to better organise health services according to local priorities. 3. The effects of decentralised governance for heath workforce issues only may be less than if decentralisation includes a wider range of functional areas. This is because staff salaries and health staff allocation may not match local needs if the funding of health programmes is still centrally decided. Economic status of the country (World Bank definition) The effects of decentralised governance of health services may be less in LMICs compared to HICs. This is because the infrastructure and resources to support decentralisation are inadequate or less developed in LMICs 1. High-income countries 2. Middle-income countries 3. Low-income countries Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 10 APPENDICES Appendix 1. MEDLINE search strategy # Searches 1 (decentraliz* or decentralis* or de centraliz* or de centralis*).ti,ab 2 (((transfer* or transition? or hand* over or handover or pass* over or passover or shift* or delegat* or devolv* or devolution) adj6 (authority* or responsibilit* or resources or funds or funding or autonomy or autonomous)) and (district* or region* or local or municipal* or community or communities or town?)).ti,ab 3 (governance adj3 (district* or region* or local or municipal* or community or communities or town? or centralized or centralised) ).ti,ab 4 or/1-3 5 randomized controlled trial.pt. 6 controlled clinical trial.pt. 7 multicenter study.pt. 8 (randomis* or randomiz* or randomly).ti,ab. 9 groups.ab. 10 (trial or multicenter or multi center or multicentre or multi centre).ti 11 (intervention? or controlled or control group? or (before adj5 after) or (pre adj5 post) or ((pretest or pre test) and (posttest or post test)) or quasiexperiment* or quasi experiment* or evaluat* or effect? or impact? or time series or time point? or repeated measur*).ti,ab 12 or/5-11 13 exp Animals/ 14 Humans/ 15 13 not (13 and 14) 16 review.pt. 17 meta analysis.pt. 18 news.pt. 19 comment.pt. Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 11 (Continued) 20 editorial.pt. 21 cochrane database of systematic reviews.jn. 22 comment on.cm. 23 (systematic review or literature review).ti. 24 or/15-23 25 12 not 24 26 4 and 25 CONTRIBUTIONS OF AUTHORS CTS: drafted the protocol, will obtain copies of the studies and select studies to be included, extract data and enter data into RevMan, perform the analysis and interpret the results, and draft and update the final review. TNS: will obtain copies of the studies and select which studies to include, extract the data and carry out duplicate data entry, interpret the analysis, and co-draft the final review. DECLARATIONS OF INTEREST No conflict/s of interests to declare. Decentralised versus centralised governance of health services (Protocol) Copyright © 2013 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. 12
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