Identifying inequitable healthcare in older people: systematic review of current research practice.

Sarah M. Salway, Nick Payne, Melanie Rimmer, Stefanie Buckner, Hannah Jordan, Jean Adams, Kate Walters, Sarah Sowden, Lynne Forrest, Linda Sharp, Mira Hidajat, Martin White, Yoav Ben-shlomo

Research output: Contribution to journalArticlepeer-review


Background: There is growing consensus on the importance of identifying age-related inequities in the receipt of
public health and healthcare interventions, but concerns regarding conceptual and methodological rigour in this
area of research. Establishing age inequity in receipt requires evidence of a difference that is not an artefact of poor
measurement of need or receipt; is not warranted on the grounds of patient preference or clinical safety; and is
judged to be unfair.
Method: A systematic, thematic literature review was undertaken with the objective of characterising recent research
approaches. Studies were eligible if the population was in a country within the Organisation for Economic Co-
operation and Development and analyses included an explicit focus on age-related patterns of healthcare receipt
including those 60 years or older. A structured extraction template was applied. Extracted material was synthesised in
thematic memos. A set of categorical codes were then defined and applied to produce summary counts across key
dimensions. This process was iterative to allow reconciliation of discrepancies and ensure reliability.
Results: Forty nine studies met the eligibility criteria. A wide variety of concepts, terms and methodologies were used
across these studies. Thirty five studies employed multivariable techniques to produce adjusted receipt-need ratios,
though few clearly articulated their rationale, indicating the need for great conceptual clarity. Eighteen studies made
reference to patient preference as a relevant consideration, but just one incorporated any kind of adjustment for this
factor. Twenty five studies discussed effectiveness among older adults, with fourteen raising the possibility of
differential effectiveness, and one differential cost-effectiveness, by age. Just three studies made explicit reference to
the ethical nature of healthcare resource allocation by age. While many authors presented suitably cautious
conclusions, some appeared to over-stretch their findings concluding that observed differences were ‘inequitable’.
Limitations include possible biases in the retrieved material due to inconsistent database indexing and a focus on
OECD country populations and studies with English titles.
Conclusions: Caution is needed among clinicians and other evidence-users in accepting claims of healthcare ‘ageism’
in some published papers. Principles for improved research practice are proposed.

Original languageEnglish
Number of pages10
JournalInternational Journal for Equity in Health
Publication statusPublished - 12 Jul 2017


  • Equity, Disparity, Ageism, Methodology, Healthcare


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