questioning improvements in health going beyond averages
TRANSCRIPT
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Overview of the webinar• Using averages in
population health & health equity research
• What do averages hide?
• Why go beyond and possible ways
• Key messages
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Measuring population health using averages
Typically proxy of health status, disease prevalence or health services coverage and/or utilisation
• Allow comparison across or within population across space and time
• Identify inequalities across populations
• Identify priorities for population health interventions and essential tool for health services monitoring and planning
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Balarajan Y, Selvaraj S, Subramanian S. Health care and equity in India. Lancet 2011;377:505–15. doi:10.1016/S0140-6736(10)61894-6
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Understanding averages • a number expressing the
central or typical value in a set of data, in particular the mode, median, or (most commonly) the mean…
• A summary measure for a population health attribute – decontextualised by design
• Averages over time does not tell us anything about “for whom”
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What do averages hide?• Aggregations of
unrelated and non-uniform population groups
• Contexts
• Unevenly distributed advantages and disadvantages
• Social structures that operate unfairly across time, space and/or person
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What do averages hide
(Not) all (wo)men are “created” equal
•Bio-medical (cf. Barker hypothesis)
•Psycho-social (cf. poor households, biological and social effects of discrimination)
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Not all opportunities are accessible equally
•Myth of equality=equity (cf. accumulation of disadvantages)
•Environmental (cf. distribution of parks and recreation, town resources allocation)
•Socio-political (cf. access to social networks and power structures)
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What do averages hide 2
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What do averages hide
Not all contexts affect processes or outcomes equally
•Differing contexts: Multiple interacting contexts ranging from individual, to household to society
•Differing interactions between contexts and processes: All household members are not similarly affected by the same biological illness/health problem
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why go beyond• the more interesting question: From how much to why or how?
• Health inequity as a wicked problem, Complexity
• Social construction (norms, values, social structures) and path dependence
• Macro processes (cf. macro-economic changes or policy) producing micro-effects
• Action/implementation/solution orientation
• Ethical imperative: not only an issue of disparity, but of equity i.e., not only ”Is there a difference”, but is it unfair and/or acceptable
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Possible ways of looking beyond
• Going beyond individual risk: Situating the individual (risk) within a household, neighborhood, geography, society and time – going beyond public health as risk-modification approaches to engaging with public health as a socio-cultural and political phenomenon
• Tapping into current body of knowledge across disciplines. Eg. Theory-driven inquiry, using conceptual frameworks, life-course epidemiology, psycho-social processes, qualitative and social science methods
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Key messages
• Averages are useful comparison tools for population health
• Averages hide various individual, household, geo-spatial and social differences in contexts
• Health equity research needs to move beyond describing disparity to explaining inequity
• Both for scientific and ethical reasons, health equity research needs to engage with why/how questions than only unpacking individual risk
• Many disciplines outside mainstream bio-medicine have engaged with the issue of social inequity, which can be used for health equity research
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