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Health system design priority IS questions Margaret E. Kruk, MD, MPH Associate Professor of Global Health Harvard T.H. Chan School of Public Health
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Priority implementation science questions for health systems design: scale and effectiveness What is the extent of effectiveness leakage? How to optimize fit between patients and systems for better outcomes? Why does quality vary? 1
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Effectiveness leakage 2
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1. Efficacy ≠ effectiveness 3
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Coverage of individual care components was high 4 Souza, J. P., et al. (2013). "Moving beyond essential interventions for reduction of maternal mortality (the WHO Multicountry Survey on Maternal and Newborn Health): a cross-sectional study." The Lancet 381(9879): 1747-1755.
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5 Modeled outcomes Souza, J. P., et al. (2013). "Moving beyond essential interventions for reduction of maternal mortality (the WHO Multicountry Survey on Maternal and Newborn Health): a cross-sectional study." The Lancet 381(9879): 1747-1755.
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6 Actual outcomes Souza, J. P., et al. (2013). "Moving beyond essential interventions for reduction of maternal mortality (the WHO Multicountry Survey on Maternal and Newborn Health): a cross-sectional study." The Lancet 381(9879): 1747-1755.
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The total is less than the sum of parts How do we measure continuum of care? What are efficient measures of quality? For managers For researchers 7
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Optimizing fit between patients and systems 8
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If you build it they may not come 9
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People don’t adhere to treatment, don’t return to clinic 10 Sibanda, E. L., I. V. Weller, et al. (2013). "The magnitude of loss to follow-up of HIV-exposed infants along the prevention of mother-to-child HIV transmission continuum of care: a systematic review and meta-analysis." Aids 27(17): 2787-2797.
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What HIV service design do patients prefer? 11 Which clinic would you prefer to use for HIV care, knowing you will need to return every 3-6 months?
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Mixed logit regression: Ethiopia 12 AttributeMeanSE Non-HIV services available at the same consultation 2.3120.118** Providers are respectful and welcoming 1.7810.090** Mother support groups available 1.0590.064** Counseling services available 0.9360.069** Hospital (vs. health center) 0.3680.058** Cost, continuous in 100 Birr (5.12 USD) -0.4610.033** Model diagnostics Number of respondents 1,013 Number of observations 16,192 Log-likelihood -3565.6 Likelihood ratio χ2 939.92
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Mixed logit regression: Mozambique 13 AttributeMeanSE Non-HIV services available at the same consultation 1.0580.069** Providers are respectful and pleasant 1.6060.078** Providers involve husband/family in care 0.6660.054** Counseling services available 0.5730.047** Health center (vs. mobile clinic) 0.1630.057** Hospital (vs. mobile clinic) 0.1500.054** Cost, continuous in 100 MTn (3.20 USD) -0.1870.021** Model diagnostics Number of respondents 1,020 Number of observations 16,156 Log-likelihood -4183.7 Likelihood ratio χ2 635.79
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Poor interpersonal quality 14 Kruk, M., S. Kujawski, et al. (2014). "Disrespectful and abusive treatment during facility delivery in Tanzania: a facility and community survey." Health Policy and Planning in press.
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Why does quality vary? 15
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Quality of delivery care index v. delivery volume in 5 countries 16
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Careful diagnosis needed before implementing Traditional QI approaches (training, supervision, PDSA) are not appropriate Health system redesign may be required Shifting place of delivery to high-volume centers 17
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What can Donna do? Improve and rank quality of methods to study large-scale health system reform, policy change Identify data sources to inform intervention design: administrative data, population surveys Design valid and efficient measures of processes of care; propose methods to integrate these in outcome evaluations 18
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