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Measurement Issues Regarding Estimation of Sub-National Health System Efficiency

Measurement Issues Regarding Estimation of Sub-National Health System Efficiency. Ajay Tandon Asian Development Bank Development Indicators and Policy Research Division Economics and Research Department September 29 th 2006. Sub-National Health System Efficiency.

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Measurement Issues Regarding Estimation of Sub-National Health System Efficiency

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  1. Measurement Issues Regarding Estimation of Sub-National Health System Efficiency Ajay Tandon Asian Development Bank Development Indicators and Policy Research Division Economics and Research Department September 29th 2006

  2. Sub-National Health System Efficiency • Entails measurement of health system outcomes relative to resource inputs at lower administrative tiers (e.g., at district or province level). • Arguably, of greater local relevance and often more useful than cross-country analyses for policy-makers. • Poses significant measurement challenges: relevant data often not available sub-nationally.

  3. Sub-National Data Challenges • Sub-nationally representative surveys are expensive to conduct and – even if available – such surveys are not conducted as regularly as may be needed. • Relevant sub-national data may only be available from administrative records and this may not be reliable. • Data may not be available for pertinent variables.

  4. Possible Solutions • Use of innovative sampling strategies to reduce cost of conducting surveys, e.g., EPI cluster surveys and Lot Quality Assurance Sampling (LQAS). • Use of econometric models and Bayesian data combinatorial techniques for estimation purposes. • Use factor analytical techniques to compute proxy indexes to capture relevant quantities of interest.

  5. Econometric Models • Quantity of interest (Y) may be available at a national level, but its determinants (X’s) are available both at the national and sub-national level. • Y = f (X): model at national level. Predict Y at sub-national level using X. • Disadvantage: model dependence is high as estimates of Y at the sub-national level will be sensitive to choice of predictors.

  6. Bayesian Data Combination Techniques • Derive “priors” of quantity of interest using national survey data. • Augment priors with micro-samples at the sub-national level (the “likelihood”). • Combine the priors with the likelihood to estimate “posterior” estimates at the sub-national level. • Borrow strength using prior information.

  7. Bayesian Data Combination Techniques

  8. Proxy Indexes Source: Ranson, Hanson, Oliveira-Cruz, and Mills (2003)

  9. Indonesia Sub-National Application • Output index by district: • Coverage of complete immunization. • Skilled birth attendance rate. • Iodized salt consumption. • Life expectancy. • Extent of protection from catastrophic spending. • Input index by district: • Income. • Female education. • Nurses per 100,000. • Out-of-pocket health expenditure. • Access to health facilities.

  10. Indonesia Sub-National Application

  11. Indonesia Sub-National Application

  12. Indonesia Sub-National Application

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