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Article << Previous     |     Next >>   Contents Vol 18(2)

Influencing population health performance: introduction of standards for area health services in New South Wales

Jeannine Liddle A B F, David Lyle A C, Margaret Lesjak A D, Andrew Milat A E, Emma Webster A B and Thérèse Jones A B

A Greater Western Area Health Service Population Health Standards Evaluation Group.
B Population Health, Planning and Performance, Greater Western Area Health Service.
C Broken Hill University Department of Rural Health, University of Sydney.
D Broken Hill Centre for Remote Health Research – Joint Initiative of the University of Sydney and Greater Western Area Health Service.
E Centre for Chronic Disease Prevention and Health Advancement, NSW Department of Health.
F Corresponding author: jeannine.liddle@gwahs.health.nsw.gov.au
   

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Abstract

Standards are a yardstick against which performance can be assessed and improved. Standards are well established in healthcare settings; however, population health standards have only recently been developed for area health services in NSW. This paper describes international and Australian population health standards, and presents the results of a pilot evaluation of the NSW Population Health Standards for Area Health Services against the Greater Western Area Health Service performance requirements. The findings revealed that the standards relating to the work of specialist population health staff feature in performance requirements; however the standards requiring the contribution of other health service staff do not. Population health standards have the potential to guide the health system towards population health goals.

New South Wales Public Health Bulletin 18(4089) 17–21   http://dx.doi.org/10.1071/NB07016
Published online: 11 May 2007



The goals of the NSW health system encompass a commitment to improve the health of the whole population and to reduce health inequalities between population groups. 1 These goals can be realised by embedding a population health approach at both strategic and operational levels. Key elements of this approach include:

  1. use of population health data to inform service planning,

  2. utilising the best available evidence to inform policy and program development,

  3. addressing the determinants of health and their interactions,

  4. collaborating across sectors and involving stakeholders to achieve tangible outcomes,

  5. building and maintaining capacity for action through workforce development and budgetary investments and

  6. being accountable to the public for what health outcomes are achieved.

A population health approach should therefore: be core business for health planners and population health practitioners; be integral to the work of primary health care providers; and influence the operations of the acute care sector.

A set of population health standards which focus on the promotion, protection and maintenance of the health of the community is a potential means for improving organisational performance in population health and demonstrating that the NSW health system’s obligations to the people of NSW have been met. Since the mid 1990s, there have been efforts to define and measure population health performance in Australia, the USA, Canada and the United Kingdom (UK). In 2004, the NSW Department of Health began developing the Population Health Standards for Area Health Services (the Standards).

This paper reports on the development of the Standards and assesses how well they are reflected in current area health service performance requirements.

Development of population health standards

Peer-reviewed literature on this subject was identified through electronic databases (Medline, PubMed, Journals@Ovid Full Text). The grey literature was identified through Internet searching using Google and by searching specific websites including Public Health Agency of Canada, Department of Health (UK), Centers for Disease Control and Prevention (USA) and National Public Health Partnership (Australia). Additional literature was sourced from experts in the population health field and reference lists from relevant articles and reports.

International experience

Most peer-reviewed literature in this field originates from the USA, where processes to develop and introduce a national set of performance standards for public health practice commenced in 1997. 2 In the USA, the term ‘public health’ is used rather than ‘population health’. The USA standards are based on ‘10 Essential Public Health Services’ and link to the core functions of public health: assessment, policy and assurance. 3 The standards apply to the public health system as a whole and recognise the influence of community members and partner organisations on health system performance. Three instruments covering State Public Health Systems, Local Public Health Systems and Local Public Health Governance are used to assess performance against these standards. 4

In England and Wales, a new performance framework is being implemented, driven by Standards for Better Health which sets out the level that all organisations providing National Health Service care are expected to meet. 5 Standards for public health are included. A process for measuring performance using the standards was introduced in 2005–2006.

The Canadian government identified population health as a ‘key concept and approach for policy and program development aimed at improving the health of Canadians’. 6 A population health template was developed that set out current understandings of population health, outlined processes required to implement a population health approach and gave guidance on assessing preparedness and capacity to implement. The template was presented as a resource for policy makers, program planners, health educators, evaluators, grant reviewers and writers, researchers and academics. It was not presented as a set of standards, although the conceptual model and content could have formed a basis for standards within the Canadian health system.

Australian experience

In Australia, the former National Public Health Partnership facilitated discussion on improving the quality of public health practice 7 , 8 and produced resource documents. 9 , 10 The partnership commissioned the National Delphi Study on public health functions to identify a ‘common reference point for any exercise where a standard definition of public health is needed, for example when developing performance measures and standards, or examining whether core functions are being delivered to acceptable standards’. 11 The study led to a statement of core functions for current public health practice in Australia. 12 The 2006 edition of the Evaluation and Quality Improvement Program (EQuIP) standards, produced by the Australian Council on Healthcare Standards, has for the first time, included one specific population health standard: ‘the organisation promotes the health of the population’. 13

NSW developments

In 2004, the Population Health Division of the NSW Department of Health convened a group of population health experts to consider a range of documents on population health standards, performance management and program evaluation, and develop a draft version of the Standards. They used the Occupational Health Safety and Rehabilitation Numerical profile 14 and the EQuIP standards 15 as a guide for the structure. Comment was sought from stakeholders, including those from the NSW Department of Health, area health services, Senior Executive Advisory Board, NSW Public Health Forum and Australian Council on Healthcare Standards.

The final version of the Standards, completed in late 2005, consisted of 17 individual standards organised under six functions (Box 1). The Greater Western Area Health Service (GWAHS) agreed to conduct a pilot assessment and evaluation of the Standards.

GWAHS pilot evaluation

GWAHS set up an evaluation group in March 2006 with representation from GWAHS, Broken Hill Department of Rural Health University of Sydney and the Centre for Chronic Disease Prevention and Health Advancement, NSW Department of Health. The relevance and acceptability of the Standards and practicalities of assessment were to be determined by:

  1. mapping the Standards to the 2005/2006 GWAHS Performance Agreement and Population Health Service Agreement and describing the degree to which these performance requirements address each standard (presented in this paper),

  2. describing the extent to which the Standards relate to the National Public Health Partnership Statement of Core Functions 12 and

  3. documenting the views of area health service staff regarding the Standards, their application to GWAHS and the assessment process (to be presented in a subsequent paper).

Mapping the Standards to GWAHS performance requirements

Area health service performance agreements and service agreements specify the key roles, responsibilities and deliverables for the NSW Department of Health and area health services. Each standard was compared with the 2005/2006 GWAHS Performance Agreement and GWAHS Population Health Service Agreement. Three categories were used to describe the extent to which the Standards are reflected in formal performance requirements:

  1. high, i.e. standard is reflected in performance requirements;

  2. medium, i.e. standard is partly reflected through performance indicators/targets;

  3. low, i.e. standard is not considered or indicators/targets do not enable assessment of performance against the standard.

Categories were initially applied by one of the authors (JL), then discussed and agreed by the evaluation group. Table 1 outlines the results.


 
Table 1.  Extent to which Population Health Standards for Area Health Services are reflected in 2005/2006 GWAHS performance requirements
 
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Overall, the mapping process found that the Standards which are reflected in current performance requirements are those that relate most closely to the work of specialist population health staff (for example, surveillance and monitoring, health protection, and primary prevention). The Standards that require the contribution of other health service staff to be realised, for example, the Standards that related to planning, partnerships, resource management, secondary and tertiary prevention activities, and evaluation, are not so well reflected in current performance requirements.

‘Equity’ was referred to in all three documents but the indicators and targets that would be needed to monitor performance were lacking in the performance requirements. ‘Access’ was referred to in the performance agreement but not developed further and not considered in the Standards.

Discussion

Embedding a population health approach at both strategic and operational levels requires the commitment and involvement of health service staff throughout the system. If the population health approach of the NSW health system is confined to the work of specialist population health, then the twin goals of improving the health of the whole population and reducing health inequalities between population groups will not be met.

Standards can relate to infrastructure (such as personnel or budget), processes (such as services or interventions) or outcomes (such as mortality or morbidity). 16 Depending on the maturity of the system or organisation to which standards are applied, emphasis may be placed on infrastructure (for newly formed systems) or outcomes (for mature systems). 17 The Standards currently focus on infrastructure and processes. In contrast, standards applied to health care settings have shown a recent shift in emphasis to outcomes. 18 Future iterations of the Standards may follow the same trend. When using the Standards to assess performance at the organisational level, differences in organisational development also need to be acknowledged when interpreting, and in particular, if comparing, assessment results.

Standards in population health have been used for improving quality of population health services, for enhancing accountability and for strengthening the evidence base of population health practice. 19 , 20 If standards are to be used effectively for performance accountability, the following are required: 21

  1. training and technical assistance to conduct assessments,

  2. suitable surveillance systems to collect and analyse assessment data,

  3. participation of community and partner organisations in assessment,

  4. direction on how to use assessment results to improve performance and

  5. ongoing research on relationships between infrastructure, process and outcome.

Standards need an underpinning conceptual framework which adequately defines components of the population health system and how they fit together. 19 The task of defining the system and its component parts is difficult when population health in Australia continues to evolve. 22 The Standards implicitly draw on the National Public Health Partnership Statement of Core Functions and understandings of a ‘population health approach’. The draft Healthy People 2010: the Population Health Plan for New South Wales sets out one framework. 23 Further work is required to refine the framework of the Standards, so that they fit with the NSW health system in a clear, relevant and meaningful way.

Area health services form only part of the health system in NSW. Population health standards are relevant to all parts of the system, including the NSW Department of Health. In the USA, public health standards apply at both state and local levels. 4

The area health service performance agreements set down health system priorities. Population health priorities need to be on that agenda and population health standards have a role in guiding that agenda. Standards which clearly describe where the system needs to be putting effort in population health, and the associated performance requirements, indicators and targets, would assist development of future performance agreements. Population health standards have the potential to focus debate, provide consistent language and lead to a system-wide and integrated approach to making population health ‘everybody’s business’. 24

Conclusion

Population health standards can assist in embedding population health in the business of the health system at the policy, operational and individual practice levels. However, international experience shows that to use population health standards on a system wide basis and to assess performance against these standards, considerable investment is needed to support implementation and to engage partner organisations and communities in the process.


Acknowledgements

The authors wish to acknowledge Ross O’Donoughue and the members of the original working group who developed the Population Health Standards for Area Health Services: Peter Sainsbury, Jeanette Ward, Mark Ferson and Sarah Thackway.





References


[1] NSW Department of Health. Annual report 04/05. Available at www.health.nsw.gov.au/pubs/2005/pdf/ar2005.pdf. Accessed 2 August 2006.

[2] Bakes-Martin R,  Corso LC,  Landrum LB,  Scott Fisher V,  Halverson K. Developing national performance standards for local public health systems. J Public Health Manag Prac 2005; 11(5): 418–21.


[3] Public Health Functions Project Steering Committee. Public health in America. Available at www.health.gov/phfunctions/public.htm. Accessed 29 June 2006.

[4] Office of the Director National Public Health Performance Standards Program, Centers for Disease Control and Prevention. The instruments. Available at www.cdc.gov/od/ocphp/nphpsp/TheInstruments.htm. Accessed 29 June 2006.

[5] Department of Health. Standards for better health. April 2006. Available at www.dh.gov.uk. Accessed 2 August 2006.

[6] Population and Public Health Branch Strategic Policy Directorate, Public Health Agency of Canada. The population health template: key elements and actions that define a population health approach. Draft. July 2001, p. 1. Available at www.phac-aspc.gc.ca/ph-sp/phdd/approach/index.html. Accessed 29 June 2006.

[7] Diagnosis Pty Ltd. Quality systems and public health: background review. Excerpt from report to the National Public Health Partnership. October 1998. Melbourne: NHPH, 1998. Available at www.dhs.vic.gov.au/nphp/publications/phpractice/qualbgreview.pdf. Accessed 8 May 2006.

[8] National Public Health Partnership. Promoting quality in public health. Report of workshop held in Sydney on 6 December 1999. Melbourne: NHPH, 1999. Available at www.dhs.vic.gov.au/nphp/publications/phpractice/forum.pdf. Accessed 8 May 2006.

[9] National Public Health Partnership. A planning framework for public health practice. September 2000. Melbourne: NHPH, 2002. Available at www.dhs.vic.gov.au/nphp/publications/phpractice/planfrwk.pdf. Accessed 18 January 2006.

[10] Rychetnik L , Frommer M . A schema for evaluating evidence on public health interventions; Version 4. Melbourne: NHPH, 2002. Available at www.nphp.gov.au/publications/phpractice/schemaV4.pdf. Accessed 18 January 2006.

[11] National Public Health Partnership. National Delphi study on public health functions in Australia. Report on findings. January 2000. Melbourne: NHPH, 2002. p. 39. Available at www.dhs.vic.gov.au/nphp/publications/phpractice/delphi-body.pdf. Accessed 8 May 2006.

[12] National Public Health Partnership. Public health practice in Australia today. A statement of core functions. September 2000. Melbourne: NHPH, 2000. Available at www.nphp.gov.au/workprog/phpractice/corefuncts.htm. Accessed 8 May 2006.

[13] The Australian Council on Healthcare Standards (ACHS). The ACHS EQuIP 4 Guide, Part 1Accreditation, standards, guidelines. Sydney: ACHS, 2006. p. 196.

[14] NSW Department of Health. Occupational health, safety and rehabilitation numerical profile PD2005_189. 2005. Available at www.health.nsw.gov.au/policies/PD/2005/PD2005_189.html. Accessed 2 August 2006.

[15] The Australian Council on Healthcare Standards (ACHS). The EQuIP Corporate (Health Services) Guide. 2nd Edn. Sydney: ACHS, 2003.

[16] Donabedian A . Explorations in quality assessment and monitoring. Vol 1: The definition of quality and approaches to its assessment. Ann Arbour, MI: Health Admin. Press, 1980.

[17] Derose SF,  Schuster MA,  Fielding JE,  Asch SM. Public health quality measurement: concepts and challenges. Annu Rev Public Health 2002; 23 1–21.
CrossRef | PubMed |

[18] Skok A , Swerissen H , Macmillan J . Standards and quality improvement processes in health and community services: a review of the literature. June 2000. Bundoora, Vic.: Quality Improvement Council Ltd, 2000. Available at www.qic.org.au/Docs/Lit_review.pdf. Accessed 16 November 2006.

[19] Turnock B,  Handler A. From measuring to improving public health practice. Annu Rev Public Health 1997; 18 261–82.
CrossRef | PubMed |

[20] Handler A,  Issel M,  Turnock B. A conceptual framework to measure performance of the public health system. Am J Public Health 2001; 91 1235–9.
PubMed |

[21] Beaulieu JE,  Scutchfield FD,  Kelly AV. Recommendations from testing of the National public health performance standards instruments. J Public Health Manag Prac 2003; 9(3): 188–98.


[22] Gruszin S , Jorm L , Churches T , Straton J . Public health classifications project phase one: final report. Melbourne: National Public Health Partnership, 2006.

[23] NSW Department of Health. Healthy people 2010: the population health plan for New South Wales. Consultation Draft. August 2006, p. 9.

[24] NSW Department of Health. Fit for the future: have your say about future directions for health in NSW, 2006. Available at www.health.nsw.gov.au/futuresplanning/. Accessed 2 August 2006.





 
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